线程安全spring mvc controller java.io.IOException: Stream closed异常

程序的流程是客户端发送一个Http post请求请求的内容是一个xml文件，服务器通过spring mvc 的controller接收 然后response 返回xml @Controller public class QueryController { public ModelAndView handleRequest(HttpServletRequest request, HttpServletResponse response) throws Exception { //业务处理..... } } 类似上面的调用，间隔时间比较短的情况下会出现下面的异常，分析原因是Spring MVC的controller不是线程安全的，每次请求都是同一个servlet，当第一次请求的reponse或request关闭后，接下来的请求就会出现stream closed的情况。 尝试了几种方式： 1.用ThreadLocal管理request response 问题依然存在 2.尝试把处理写成无状态，线程安全的视乎很难 3.SingleThreadModel ，synchronized 管理好像也不行，感觉无法控制response和request对象。 现在的想法是把这个servlet变成线程安全，尝试了下视乎配置的不对，希望大家指点。 还有就是像这样的业务比较好的解决方法是什么，也请大家分享一下。 java.io.IOException: Stream closed at org.apache.catalina.connector.InputBuffer.read(InputBuffer.java:406) at org.apache.catalina.connector.CoyoteReader.read(CoyoteReader.java:105) at org.apache.xmlbeans.impl.piccolo.xml.XMLReaderReader.fillCharBuffer(XMLReaderReader.java:247) at org.apache.xmlbeans.impl.piccolo.xml.XMLReaderReader.reset(XMLReaderReader.java:84) at org.apache.xmlbeans.impl.piccolo.xml.DocumentEntity.open(DocumentEntity.java:74) at org.apache.xmlbeans.impl.piccolo.xml.PiccoloLexer.reset(PiccoloLexer.java:982) at org.apache.xmlbeans.impl.piccolo.xml.Piccolo.parse(Piccolo.java:709) at org.apache.xmlbeans.impl.store.Locale$SaxLoader.load(Locale.java:3454) at org.apache.xmlbeans.impl.store.Locale.parseToXmlObject(Locale.java:1329) at org.apache.xmlbeans.impl.store.Locale.parseToXmlObject(Locale.java:1316) at org.apache.xmlbeans.impl.schema.SchemaTypeLoaderBase.parse(SchemaTypeLoaderBase.java:360) at org.poc.pos.obervationQuery.QueryObservationRequestDocument$Factory.parse(Unknown Source) at com.yuxin.referral.services.ObservationQueryServiceImpl.ObservationQueryRequest(ObservationQueryServiceImpl.java:79) at com.yuxin.referral.services.ObservationQueryServiceImpl$$FastClassByCGLIB$$27758ac0.invoke(<generated>) at net.sf.cglib.proxy.MethodProxy.invoke(MethodProxy.java:191) at org.springframework.aop.framework.Cglib2AopProxy$CglibMethodInvocation.invokeJoinpoint(Cglib2AopProxy.java:692) at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:150) at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:107) at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172) at org.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:89) at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172) at org.springframework.aop.framework.Cglib2AopProxy$DynamicAdvisedInterceptor.intercept(Cglib2AopProxy.java:625) at com.yuxin.referral.services.ObservationQueryServiceImpl$$EnhancerByCGLIB$$e00082b7.ObservationQueryRequest(<generated>) at com.yuxin.referral.web.ObservationQueryController.handleRequest(ObservationQueryController.java:31) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:597) at org.springframework.web.bind.annotation.support.HandlerMethodInvoker.doInvokeMethod(HandlerMethodInvoker.java:710) at org.springframework.web.bind.annotation.support.HandlerMethodInvoker.invokeHandlerMethod(HandlerMethodInvoker.java:167) at org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter.invokeHandlerMethod(AnnotationMethodHandlerAdapter.java:414) at org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter.handle(AnnotationMethodHandlerAdapter.java:402) at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:771) at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:716) at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:647) at org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:563) at javax.servlet.http.HttpServlet.service(HttpServlet.java:637) at javax.servlet.http.HttpServlet.service(HttpServlet.java:717) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191) at com.springsource.metrics.collection.web.HttpRequestMetricCollectionValve.invoke(HttpRequestMetricCollectionValve.java:44) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:293) at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:849) at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583) at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:379) at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:885) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:907) at java.lang.Thread.run(Thread.java:619)

Exception in thread "Thread-12" java.lang.RuntimeException: java.lang.NullPointerException

第一次着手项目，springboot+mybatis，项目搭建是跟着教程做的。项目搭建好之后项目能正常运行，但是启动后报： Exception in thread "Thread-12" java.lang.RuntimeException: java.lang.NullPointerException at com.mysql.jdbc.JDBC4Connection$1$1.run(JDBC4Connection.java:106) Caused by: java.lang.NullPointerException at com.mysql.jdbc.ConnectionImpl.abortInternal(ConnectionImpl.java:1240) at com.mysql.jdbc.JDBC4Connection$1$1.run(JDBC4Connection.java:104) 启动Console： 2019-08-05 10:29:12.921 INFO 7416 --- [ restartedMain] com.xintujiuzhang.aimanagement.App : Starting App on DESKTOP-J57CTN6 with PID 7416 (D:\JAVA\eclipse\TaxHandwritingRecognition\target\classes started by Administrator in D:\JAVA\eclipse\TaxHandwritingRecognition) 2019-08-05 10:29:12.921 INFO 7416 --- [ restartedMain] com.xintujiuzhang.aimanagement.App : No active profile set, falling back to default profiles: default 2019-08-05 10:29:12.958 INFO 7416 --- [ restartedMain] ConfigServletWebServerApplicationContext : Refreshing org.springframework.boot.web.servlet.context.AnnotationConfigServletWebServerApplicationContext@6070b0bb: startup date [Mon Aug 05 10:29:12 CST 2019]; root of context hierarchy 2019-08-05 10:29:13.450 INFO 7416 --- [ restartedMain] o.s.b.f.xml.XmlBeanDefinitionReader : Loading XML bean definitions from class path resource [mybatis-config.xml] 2019-08-05 10:29:13.503 INFO 7416 --- [ restartedMain] o.s.b.f.s.DefaultListableBeanFactory : Overriding bean definition for bean 'sqlSessionFactory' with a different definition: replacing [Root bean: class [null]; scope=; abstract=false; lazyInit=false; autowireMode=3; dependencyCheck=0; autowireCandidate=true; primary=false; factoryBeanName=app; factoryMethodName=sqlSessionFactoryBean; initMethodName=null; destroyMethodName=(inferred); defined in com.xintujiuzhang.aimanagement.App] with [Generic bean: class [org.mybatis.spring.SqlSessionFactoryBean]; scope=; abstract=false; lazyInit=false; autowireMode=0; dependencyCheck=0; autowireCandidate=true; primary=false; factoryBeanName=null; factoryMethodName=null; initMethodName=null; destroyMethodName=null; defined in class path resource [mybatis-config.xml]] 2019-08-05 10:29:13.599 WARN 7416 --- [ restartedMain] o.m.s.mapper.ClassPathMapperScanner : No MyBatis mapper was found in '[com.xintujiuzhang.aimanagement]' package. Please check your configuration. 2019-08-05 10:29:13.958 INFO 7416 --- [ restartedMain] trationDelegate$BeanPostProcessorChecker : Bean 'org.springframework.transaction.annotation.ProxyTransactionManagementConfiguration' of type [org.springframework.transaction.annotation.ProxyTransactionManagementConfiguration$$EnhancerBySpringCGLIB$$b535b905] is not eligible for getting processed by all BeanPostProcessors (for example: not eligible for auto-proxying) 2019-08-05 10:29:14.332 INFO 7416 --- [ restartedMain] o.s.b.w.embedded.tomcat.TomcatWebServer : Tomcat initialized with port(s): 8080 (http) 2019-08-05 10:29:14.348 INFO 7416 --- [ restartedMain] o.apache.catalina.core.StandardService : Starting service [Tomcat] 2019-08-05 10:29:14.349 INFO 7416 --- [ restartedMain] org.apache.catalina.core.StandardEngine : Starting Servlet Engine: Apache Tomcat/8.5.28 2019-08-05 10:29:14.355 INFO 7416 --- [ost-startStop-1] o.a.catalina.core.AprLifecycleListener : Loaded APR based Apache Tomcat Native library [1.2.21] using APR version [1.6.5]. 2019-08-05 10:29:14.355 INFO 7416 --- [ost-startStop-1] o.a.catalina.core.AprLifecycleListener : APR capabilities: IPv6 [true], sendfile [true], accept filters [false], random [true]. 2019-08-05 10:29:14.355 INFO 7416 --- [ost-startStop-1] o.a.catalina.core.AprLifecycleListener : APR/OpenSSL configuration: useAprConnector [false], useOpenSSL [true] 2019-08-05 10:29:14.357 INFO 7416 --- [ost-startStop-1] o.a.catalina.core.AprLifecycleListener : OpenSSL successfully initialized [OpenSSL 1.1.1a 20 Nov 2018] 2019-08-05 10:29:14.418 INFO 7416 --- [ost-startStop-1] o.a.c.c.C.[Tomcat].[localhost].[/] : Initializing Spring embedded WebApplicationContext 2019-08-05 10:29:14.418 INFO 7416 --- [ost-startStop-1] o.s.web.context.ContextLoader : Root WebApplicationContext: initialization completed in 1462 ms 2019-08-05 10:29:14.514 INFO 7416 --- [ost-startStop-1] o.s.b.w.servlet.ServletRegistrationBean : Servlet dispatcherServlet mapped to [/] 2019-08-05 10:29:14.517 INFO 7416 --- [ost-startStop-1] o.s.b.w.servlet.FilterRegistrationBean : Mapping filter: 'characterEncodingFilter' to: [/*] 2019-08-05 10:29:14.517 INFO 7416 --- [ost-startStop-1] o.s.b.w.servlet.FilterRegistrationBean : Mapping filter: 'hiddenHttpMethodFilter' to: [/*] 2019-08-05 10:29:14.517 INFO 7416 --- [ost-startStop-1] o.s.b.w.servlet.FilterRegistrationBean : Mapping filter: 'httpPutFormContentFilter' to: [/*] 2019-08-05 10:29:14.517 INFO 7416 --- [ost-startStop-1] o.s.b.w.servlet.FilterRegistrationBean : Mapping filter: 'requestContextFilter' to: [/*] 2019-08-05 10:29:14.631 INFO 7416 --- [ restartedMain] com.zaxxer.hikari.HikariDataSource : HikariPool-1 - Starting... 2019-08-05 10:29:19.625 INFO 7416 --- [ restartedMain] com.zaxxer.hikari.pool.PoolBase : HikariPool-1 - Driver does not support get/set network timeout for connections. (com.mysql.jdbc.JDBC4Connection.getNetworkTimeout()I) 2019-08-05 10:29:19.629 INFO 7416 --- [ restartedMain] com.zaxxer.hikari.HikariDataSource : HikariPool-1 - Start completed. 2019-08-05 10:29:19.670 INFO 7416 --- [ restartedMain] j.LocalContainerEntityManagerFactoryBean : Building JPA container EntityManagerFactory for persistence unit 'default' 2019-08-05 10:29:19.684 INFO 7416 --- [ restartedMain] o.hibernate.jpa.internal.util.LogHelper : HHH000204: Processing PersistenceUnitInfo [ name: default ...] 2019-08-05 10:29:19.738 INFO 7416 --- [ restartedMain] org.hibernate.Version : HHH000412: Hibernate Core {5.2.10.Final} 2019-08-05 10:29:19.739 INFO 7416 --- [ restartedMain] org.hibernate.cfg.Environment : HHH000206: hibernate.properties not found 2019-08-05 10:29:19.770 INFO 7416 --- [ restartedMain] o.hibernate.annotations.common.Version : HCANN000001: Hibernate Commons Annotations {5.0.1.Final} 2019-08-05 10:29:19.874 INFO 7416 --- [ restartedMain] org.hibernate.dialect.Dialect : HHH000400: Using dialect: org.hibernate.dialect.MySQL5Dialect 2019-08-05 10:29:19.897 INFO 7416 --- [ restartedMain] o.h.e.j.e.i.LobCreatorBuilderImpl : HHH000423: Disabling contextual LOB creation as JDBC driver reported JDBC version [3] less than 4 2019-08-05 10:29:20.037 INFO 7416 --- [ restartedMain] j.LocalContainerEntityManagerFactoryBean : Initialized JPA EntityManagerFactory for persistence unit 'default' 10:29:20,543 INFO App:32-org.springframework.orm.jpa.JpaTransactionManager 2019-08-05 10:29:20.796 INFO 7416 --- [ restartedMain] s.w.s.m.m.a.RequestMappingHandlerAdapter : Looking for @ControllerAdvice: org.springframework.boot.web.servlet.context.AnnotationConfigServletWebServerApplicationContext@6070b0bb: startup date [Mon Aug 05 10:29:12 CST 2019]; root of context hierarchy 2019-08-05 10:29:20.824 WARN 7416 --- [ restartedMain] aWebConfiguration$JpaWebMvcConfiguration : spring.jpa.open-in-view is enabled by default. Therefore, database queries may be performed during view rendering. Explicitly configure spring.jpa.open-in-view to disable this warning 2019-08-05 10:29:20.846 INFO 7416 --- [ restartedMain] s.w.s.m.m.a.RequestMappingHandlerMapping : Mapped "{[/application/handwriting_authorization],methods=[GET]}" onto public java.lang.String com.xintujiuzhang.aimanagement.controller.ApplicationAuthorizationController.joinHWA(java.util.Map<java.lang.String, java.lang.Object>) 2019-08-05 10:29:20.847 INFO 7416 --- [ restartedMain] s.w.s.m.m.a.RequestMappingHandlerMapping : Mapped "{[/application/handwriting_information],methods=[GET]}" onto public java.lang.String com.xintujiuzhang.aimanagement.controller.ApplicationInformationController.joinHWI(java.util.Map<java.lang.String, java.lang.Object>) 2019-08-05 10:29:20.847 INFO 7416 --- [ restartedMain] s.w.s.m.m.a.RequestMappingHandlerMapping : Mapped "{[/log/background_management_login],methods=[GET]}" onto public java.lang.String com.xintujiuzhang.aimanagement.controller.BackgroundManagementLoginController.joinHWI(java.util.Map<java.lang.String, java.lang.Object>) 2019-08-05 10:29:20.847 INFO 7416 --- [ restartedMain] s.w.s.m.m.a.RequestMappingHandlerMapping : Mapped "{[/log/computer_login],methods=[GET]}" onto public java.lang.String com.xintujiuzhang.aimanagement.controller.ComputerLoginController.jumpDEM(java.util.Map<java.lang.String, java.lang.Object>) 2019-08-05 10:29:20.847 INFO 7416 --- [ restartedMain] s.w.s.m.m.a.RequestMappingHandlerMapping : Mapped "{[/authority/department_management],methods=[GET]}" onto public java.lang.String com.xintujiuzhang.aimanagement.controller.DepartmentManagementController.jumpDEM(java.util.Map<java.lang.String, java.lang.Object>) 2019-08-05 10:29:20.848 INFO 7416 --- [ restartedMain] s.w.s.m.m.a.RequestMappingHandlerMapping : Mapped "{[/authority/dictionary_management],methods=[GET]}" onto public java.lang.String com.xintujiuzhang.aimanagement.controller.DictionaryManagementController.jumpDM(java.util.Map<java.lang.String, java.lang.Object>) 2019-08-05 10:29:20.848 INFO 7416 --- [ restartedMain] s.w.s.m.m.a.RequestMappingHandlerMapping : Mapped "{[/equipment/hardware_devices],methods=[GET]}" onto public java.lang.String com.xintujiuzhang.aimanagement.controller.EquipmentManagementController.jumpDM(java.util.Map<java.lang.String, java.lang.Object>) 2019-08-05 10:29:20.848 INFO 7416 --- [ restartedMain] s.w.s.m.m.a.RequestMappingHandlerMapping : Mapped "{[/queryGetServerStatusInterface],methods=[GET]}" onto public java.util.Map<java.lang.String, java.lang.Object> com.xintujiuzhang.aimanagement.controller.GetServerStatusInterfaceController.queryGetServerStatus(java.lang.String,java.lang.String) 2019-08-05 10:29:20.848 INFO 7416 --- [ restartedMain] s.w.s.m.m.a.RequestMappingHandlerMapping : Mapped "{[/queryHandwritingInterface],methods=[GET]}" onto public java.util.Map<java.lang.String, java.lang.Object> com.xintujiuzhang.aimanagement.controller.HandwritingInterfaceController.queryHandwriting(java.lang.String,java.lang.String,java.lang.Integer,java.util.Date) 2019-08-05 10:29:20.849 INFO 7416 --- [ restartedMain] s.w.s.m.m.a.RequestMappingHandlerMapping : Mapped "{[/identity/identity_management],methods=[GET]}" onto public java.lang.String com.xintujiuzhang.aimanagement.controller.IdentityManagementController.jumpDM(java.util.Map<java.lang.String, java.lang.Object>) 2019-08-05 10:29:20.849 INFO 7416 --- [ restartedMain] s.w.s.m.m.a.RequestMappingHandlerMapping : Mapped "{[/queryInstallationRequest],methods=[GET]}" onto public java.util.Map<java.lang.String, java.lang.Object> com.xintujiuzhang.aimanagement.controller.InstallationRequestInterfaceController.queryInstallationRequest(java.lang.String,java.lang.String,java.lang.String) 2019-08-05 10:29:20.849 INFO 7416 --- [ restartedMain] s.w.s.m.m.a.RequestMappingHandlerMapping : Mapped "{[/queryLicenseInterface],methods=[GET]}" onto public java.util.Map<java.lang.String, java.lang.Object> com.xintujiuzhang.aimanagement.controller.LicenseInterfaceController.queryLicense(java.lang.String,java.lang.String,java.lang.String,java.lang.String,java.lang.String,java.util.Date) 2019-08-05 10:29:20.851 INFO 7416 --- [ restartedMain] s.w.s.m.m.a.RequestMappingHandlerMapping : Mapped "{[/]}" onto public java.lang.String com.xintujiuzhang.aimanagement.controller.MainController.main(java.util.Map<java.lang.String, java.lang.Object>) 2019-08-05 10:29:20.851 INFO 7416 --- [ restartedMain] s.w.s.m.m.a.RequestMappingHandlerMapping : Mapped "{[/login],methods=[GET]}" onto public org.springframework.web.servlet.ModelAndView com.xintujiuzhang.aimanagement.controller.MainController.login() 2019-08-05 10:29:20.851 INFO 7416 --- [ restartedMain] s.w.s.m.m.a.RequestMappingHandlerMapping : Mapped "{[/login],methods=[POST]}" onto public java.lang.String com.xintujiuzhang.aimanagement.controller.MainController.login(java.lang.String,java.lang.String,java.util.Map<java.lang.String, java.lang.Object>) 2019-08-05 10:29:20.851 INFO 7416 --- [ restartedMain] s.w.s.m.m.a.RequestMappingHandlerMapping : Mapped "{[/main],methods=[GET]}" onto public java.lang.String com.xintujiuzhang.aimanagement.controller.MainController.jumpmain(java.util.Map<java.lang.String, java.lang.Object>) 2019-08-05 10:29:20.852 INFO 7416 --- [ restartedMain] s.w.s.m.m.a.RequestMappingHandlerMapping : Mapped "{[/authority/menu_management],methods=[GET]}" onto public java.lang.String com.xintujiuzhang.aimanagement.controller.MenuManagementController.jumpMM(java.util.Map<java.lang.String, java.lang.Object>) 2019-08-05 10:29:20.852 INFO 7416 --- [ restartedMain] s.w.s.m.m.a.RequestMappingHandlerMapping : Mapped "{[/log/module_browsing],methods=[GET]}" onto public java.lang.String com.xintujiuzhang.aimanagement.controller.ModuleBrowsingController.jumpTM(java.util.Map<java.lang.String, java.lang.Object>) 2019-08-05 10:29:20.852 INFO 7416 --- [ restartedMain] s.w.s.m.m.a.RequestMappingHandlerMapping : Mapped "{[/log/module_operation],methods=[GET]}" onto public java.lang.String com.xintujiuzhang.aimanagement.controller.ModuleOperationController.jumpMM(java.util.Map<java.lang.String, java.lang.Object>) 2019-08-05 10:29:20.852 INFO 7416 --- [ restartedMain] s.w.s.m.m.a.RequestMappingHandlerMapping : Mapped "{[/deletehandwriting],methods=[POST]}" onto public void com.xintujiuzhang.aimanagement.controller.NotesController.deletehandwriting(java.lang.String) 2019-08-05 10:29:20.852 INFO 7416 --- [ restartedMain] s.w.s.m.m.a.RequestMappingHandlerMapping : Mapped "{[/updatehandwriting],methods=[POST]}" onto public void com.xintujiuzhang.aimanagement.controller.NotesController.updatehandwriting(com.xintujiuzhang.aimanagement.pojo.Handwriting) 2019-08-05 10:29:20.852 INFO 7416 --- [ restartedMain] s.w.s.m.m.a.RequestMappingHandlerMapping : Mapped "{[/addhandwriting],methods=[POST]}" onto public void com.xintujiuzhang.aimanagement.controller.NotesController.addhandwriting(com.xintujiuzhang.aimanagement.pojo.Handwriting) 2019-08-05 10:29:20.853 INFO 7416 --- [ restartedMain] s.w.s.m.m.a.RequestMappingHandlerMapping : Mapped "{[/querynotes],methods=[GET]}" onto public com.xintujiuzhang.aimanagement.pojo.Handwriting com.xintujiuzhang.aimanagement.controller.NotesController.querynotes(java.lang.String) 2019-08-05 10:29:20.853 INFO 7416 --- [ restartedMain] s.w.s.m.m.a.RequestMappingHandlerMapping : Mapped "{[/authority/parameter_settings],methods=[GET]}" onto public java.lang.String com.xintujiuzhang.aimanagement.controller.parameterSettingsController.jumpPS(java.util.Map<java.lang.String, java.lang.Object>) 2019-08-05 10:29:20.853 INFO 7416 --- [ restartedMain] s.w.s.m.m.a.RequestMappingHandlerMapping : Mapped "{[/authority/role_authorization],methods=[GET]}" onto public java.lang.String com.xintujiuzhang.aimanagement.controller.RoleAuthorizationController.jumpRA(java.util.Map<java.lang.String, java.lang.Object>) 2019-08-05 10:29:20.853 INFO 7416 --- [ restartedMain] s.w.s.m.m.a.RequestMappingHandlerMapping : Mapped "{[/log/service_call],methods=[GET]}" onto public java.lang.String com.xintujiuzhang.aimanagement.controller.ServiceCallController.jumpRA(java.util.Map<java.lang.String, java.lang.Object>) 2019-08-05 10:29:20.853 INFO 7416 --- [ restartedMain] s.w.s.m.m.a.RequestMappingHandlerMapping : Mapped "{[/authority/task_management],methods=[GET]}" onto public java.lang.String com.xintujiuzhang.aimanagement.controller.TaskManagementController.jumpTM(java.util.Map<java.lang.String, java.lang.Object>) 2019-08-05 10:29:20.854 INFO 7416 --- [ restartedMain] s.w.s.m.m.a.RequestMappingHandlerMapping : Mapped "{[/authority/user_management]}" onto public java.lang.String com.xintujiuzhang.aimanagement.controller.UserController.jnmpUM(java.util.Map<java.lang.String, java.lang.Object>) 2019-08-05 10:29:20.854 INFO 7416 --- [ restartedMain] s.w.s.m.m.a.RequestMappingHandlerMapping : Mapped "{[/queryUserInterface],methods=[GET]}" onto public java.util.Map<java.lang.String, java.lang.Object> com.xintujiuzhang.aimanagement.controller.UserInterfaceController.queryLicense(java.lang.String,java.lang.String,java.lang.Integer,java.util.Date) 2019-08-05 10:29:20.854 INFO 7416 --- [ restartedMain] s.w.s.m.m.a.RequestMappingHandlerMapping : Mapped "{[/queryVersionCheckingInterface],methods=[GET]}" onto public java.util.Map<java.lang.String, java.lang.Object> com.xintujiuzhang.aimanagement.controller.VersionCheckingInterfaceController.queryVersionChecking(java.lang.String,java.lang.String,java.lang.String,java.lang.String,java.lang.String,java.lang.Integer,java.util.Date) 2019-08-05 10:29:20.854 INFO 7416 --- [ restartedMain] s.w.s.m.m.a.RequestMappingHandlerMapping : Mapped "{[/queryVersionupdateInterface],methods=[GET]}" onto public java.util.Map<java.lang.String, java.lang.Object> com.xintujiuzhang.aimanagement.controller.VersionUpdateInterfaceController.queryVersionupdate(java.lang.String,java.lang.String,java.lang.String,java.util.Date) 2019-08-05 10:29:20.857 INFO 7416 --- [ restartedMain] s.w.s.m.m.a.RequestMappingHandlerMapping : Mapped "{[/error]}" onto public org.springframework.http.ResponseEntity<java.util.Map<java.lang.String, java.lang.Object>> org.springframework.boot.autoconfigure.web.servlet.error.BasicErrorController.error(javax.servlet.http.HttpServletRequest) 2019-08-05 10:29:20.857 INFO 7416 --- [ restartedMain] s.w.s.m.m.a.RequestMappingHandlerMapping : Mapped "{[/error],produces=[text/html]}" onto public org.springframework.web.servlet.ModelAndView org.springframework.boot.autoconfigure.web.servlet.error.BasicErrorController.errorHtml(javax.servlet.http.HttpServletRequest,javax.servlet.http.HttpServletResponse) 2019-08-05 10:29:20.881 INFO 7416 --- [ restartedMain] o.s.w.s.handler.SimpleUrlHandlerMapping : Mapped URL path [/webjars/**] onto handler of type [class org.springframework.web.servlet.resource.ResourceHttpRequestHandler] 2019-08-05 10:29:20.881 INFO 7416 --- [ restartedMain] o.s.w.s.handler.SimpleUrlHandlerMapping : Mapped URL path [/**] onto handler of type [class org.springframework.web.servlet.resource.ResourceHttpRequestHandler] 2019-08-05 10:29:20.906 INFO 7416 --- [ restartedMain] o.s.w.s.handler.SimpleUrlHandlerMapping : Mapped URL path [/**/favicon.ico] onto handler of type [class org.springframework.web.servlet.resource.ResourceHttpRequestHandler] 2019-08-05 10:29:21.115 INFO 7416 --- [ restartedMain] o.s.b.d.a.OptionalLiveReloadServer : LiveReload server is running on port 35729 2019-08-05 10:29:21.164 INFO 7416 --- [ restartedMain] o.s.j.e.a.AnnotationMBeanExporter : Registering beans for JMX exposure on startup 2019-08-05 10:29:21.165 INFO 7416 --- [ restartedMain] o.s.j.e.a.AnnotationMBeanExporter : Bean with name 'dataSource' has been autodetected for JMX exposure 2019-08-05 10:29:21.170 INFO 7416 --- [ restartedMain] o.s.j.e.a.AnnotationMBeanExporter : Located MBean 'dataSource': registering with JMX server as MBean [com.zaxxer.hikari:name=dataSource,type=HikariDataSource] 2019-08-05 10:29:21.196 INFO 7416 --- [ restartedMain] o.s.b.w.embedded.tomcat.TomcatWebServer : Tomcat started on port(s): 8080 (http) with context path '' 2019-08-05 10:29:21.198 INFO 7416 --- [ restartedMain] com.xintujiuzhang.aimanagement.App : Started App in 8.458 seconds (JVM running for 8.828) Exception in thread "Thread-12" java.lang.RuntimeException: java.lang.NullPointerException at com.mysql.jdbc.JDBC4Connection$1$1.run(JDBC4Connection.java:106) Caused by: java.lang.NullPointerException at com.mysql.jdbc.ConnectionImpl.abortInternal(ConnectionImpl.java:1240) at com.mysql.jdbc.JDBC4Connection$1$1.run(JDBC4Connection.java:104) **在执行一些方法后“Thread-12”会不断增加** **ps：“Thread-668"**

java.net.SocketException: socket closed

返回的httpresponse 内容如下 HTTP/1.1 200 OK [Server: zhihu_nginx, Date: Sun, 29 Sep 2013 02:08:35 GMT, Content-Type: application/json, Transfer-Encoding: chunked, Connection: keep-alive, Vary: Accept-Encoding, Expires: Fri, 02 Jan 2000 00:00:00 GMT, Pragma: no-cache, Cache-Control: private, no-store, max-age=0,no-cache, must-revalidate, post-check=0, pre-check=0] 报错如下： Exception in thread "main" java.net.SocketException: socket closed at java.net.SocketInputStream.socketRead0(Native Method) at java.net.SocketInputStream.read(Unknown Source) at java.net.SocketInputStream.read(Unknown Source) at org.apache.http.impl.io.SessionInputBufferImpl.streamRead(SessionInputBufferImpl.java:136) at org.apache.http.impl.io.SessionInputBufferImpl.fillBuffer(SessionInputBufferImpl.java:152) at org.apache.http.impl.io.SessionInputBufferImpl.read(SessionInputBufferImpl.java:203) at org.apache.http.impl.io.ChunkedInputStream.read(ChunkedInputStream.java:174) at org.apache.http.conn.EofSensorInputStream.read(EofSensorInputStream.java:137) at java.util.zip.InflaterInputStream.fill(Unknown Source) at java.util.zip.InflaterInputStream.read(Unknown Source) at java.util.zip.GZIPInputStream.read(Unknown Source) at sun.nio.cs.StreamDecoder.readBytes(Unknown Source) at sun.nio.cs.StreamDecoder.implRead(Unknown Source) at sun.nio.cs.StreamDecoder.read(Unknown Source) at java.io.InputStreamReader.read(Unknown Source) at java.io.Reader.read(Unknown Source) at org.apache.http.util.EntityUtils.toString(EntityUtils.java:244) at org.apache.http.util.EntityUtils.toString(EntityUtils.java:288) at zhihu.ZhihuDownload.getAnswersList(ZhihuDownload.java:138) at zhihu.ZhihuDownload.main(ZhihuDownload.java:54)

springBoot接收MultipartFile文件报错

spring boot用MultipartFile作为参数接收文件报错，代码如下 ``` @ResponseBody @RequestMapping(value = "skuCreate", produces = MediaType.APPLICATION_JSON_UTF8_VALUE,method = RequestMethod.POST) public HttpResponse<String> skuCreate(@RequestParam(value = "file") MultipartFile file) { return ""; } ``` 报错如下： com.fasterxml.jackson.databind.JsonMappingException: No serializer found for class java.io.FileDescriptor and no properties discovered to create BeanSerializer (to avoid exception, disable SerializationFeature.FAIL_ON_EMPTY_BEANS) (through reference chain: org.springframework.web.multipart.support.StandardMultipartHttpServletRequest$StandardMultipartFile["inputStream"]->java.io.FileInputStream["fd"])

关于HttpURLConection的POST请求乱码

我在用HttpURLConection发送POST请求时，并未包含中文，但自己测试时收到的请求前面总是包含几个乱码， 求高手解决！ 代码如下： import java.io.BufferedReader; import java.io.IOException; import java.io.InputStream; import java.io.InputStreamReader; import java.io.ObjectOutputStream; import java.io.OutputStream; import java.net.HttpURLConnection; import java.net.URL; public class HttpUtil { /** * 发送http POST请求 * @param httpUrl 请求URL * @param httpContext 请求报文主体内容 * @return * @throws IOException */ public static String sendPost(String httpUrl,String httpContext) throws IOException{ URL url = new URL(httpUrl); HttpURLConnection connection = (HttpURLConnection)url.openConnection(); connection.setRequestMethod("POST"); // 设置是否向httpUrlConnection输出，因为这个是post请求，参数要放在http正文内，因此需要设为true,默认情况下是false; connection.setDoOutput(true); connection.setRequestProperty("Content-Type","application/json; encoding=utf-8"); connection.setRequestProperty("Connection", "keep-alive"); OutputStream out = connection.getOutputStream(); // 现在通过输出流对象构建对象输出流对象，以实现输出可序列化的对象。 ObjectOutputStream objOut = new ObjectOutputStream(out); objOut.writeObject(httpContext); // 向对象输出流写出数据，这些数据将存到内存缓冲区中 out.close(); objOut.close(); // 关闭对象输出流 InputStream in = connection.getInputStream(); InputStreamReader inr = new InputStreamReader(in); BufferedReader reader = new BufferedReader(inr); StringBuffer result = new StringBuffer(); String temp; while((temp = reader.readLine()) != null){ result.append(temp); } in.close(); return result.toString(); } }

jsp 页面怎么通过按钮提交POST请求，并获取返回值。

我用过ajax,jquery,提交请求可以，但是返回值获取不到，提示跨域请求的问题。直接放弃，因为我是接口请求。 index.jsp <%@ page language="java" import="java.util.*" %> <%@ page pageEncoding="UTF-8" contentType="text/html;charset=utf-8" %> <%@ page import="WEB_API.*"%> <% String path = request.getContextPath(); String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/"; %> <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> <html> <head header("Access-Control-Allow-Methods:GET,POST");> <base href="<%=basePath%>"> <title>中文显示示例</title> <meta http-equiv="Access-Control-Allow-Origin" content="http://eucpwx.mb345.com:443"> <meta http-equiv="pragma" content="no-cache"> <meta http-equiv="cache-control" content="no-cache"> <meta http-equiv="expires" content="0"> <meta http-equiv="keywords" content="keyword1,keyword2,keyword3"> <meta http-equiv="description" content="This is my page"> <% WEB_API wa=new WEB_API(); String res=wa.sendPost("17761280053", "验证码是123"); System.out.println(res); %> <script type="text/JavaScript" src="js/jquery-3.0.0.min.js" ></script> <script type="text/javascript"> function dianji(){ $.post("http://eucpwx.mb345.com:443/AppApi/User/GetUserList?UserID=SU0126&GetType=1&NowID=&GetNum=1&Other=&SearchUserName=", function(data){ alert("Data Loaded: " + data); }); } </script> </head> <body>中文显示示例 <br> <input id="test" type="text" value="jquery"/> <input id="btn" type="button" onclick="dianji()" value="单击弹窗"/> </body> </html> WEB_API.java package WEB_API; import java.awt.EventQueue; import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.io.PrintWriter; import java.io.UnsupportedEncodingException; import java.net.MalformedURLException; import java.net.URL; import java.net.URLConnection; import java.net.URLEncoder; import javax.swing.*; import java.sql.Connection; import java.sql.DatabaseMetaData; import java.sql.DriverManager; import java.sql.PreparedStatement; import java.sql.ResultSet; import java.sql.ResultSetMetaData; import java.sql.SQLException; import java.sql.Statement; import java.sql.Types; import java.io.BufferedReader; import java.io.File; import java.io.FileOutputStream; import java.io.FileReader; import java.io.RandomAccessFile; import java.util.ArrayList; import java.util.List; import com.alibaba.fastjson.JSON.*; public class WEB_API{ private static Connection con = null; public static void main(String[] args) { } public WEB_API(){ } public static String sendPost(String url, String param) { PrintWriter out = null; BufferedReader in = null; String result = ""; String strUrl="http://eucpwx.mb345.com:443/AppApi/User/GetUserList?"; String strparam = "UserID=SU0126&GetType=1&NowID=&GetNum=1&Other=&SearchUserName="; try { URL realUrl = new URL(strUrl); URLConnection conn = realUrl.openConnection(); conn.setRequestProperty("accept", "*/*"); conn.setRequestProperty("connection", "Keep-Alive"); conn.setRequestProperty("user-agent", "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1;SV1)"); conn.setDoOutput(true); conn.setDoInput(true); out = new PrintWriter(conn.getOutputStream()); out.print(strparam); out.flush(); in = new BufferedReader(new InputStreamReader(conn.getInputStream(),"UTF-8")); String line; while ((line = in.readLine()) != null) { result += line; } } catch (Exception e) { System.out.println("发送POST请求出现异常！" + e); e.printStackTrace(); } finally { try { if (out != null) { out.close(); } if (in != null) { in.close(); } } catch (IOException ex) { ex.printStackTrace(); } } return result; } } 

MultipartRequestEntity post 请求发送。接收端用java httpserver httpexchange 接受。能不能单独取出 request sign 两块内容

package com.test.HttpClient; import java.io.IOException; import java.io.UnsupportedEncodingException; import java.nio.charset.Charset; import org.apache.commons.httpclient.HttpClient; import org.apache.commons.httpclient.HttpStatus; import org.apache.commons.httpclient.methods.PostMethod; import org.apache.commons.httpclient.methods.StringRequestEntity; import org.apache.commons.httpclient.methods.multipart.MultipartRequestEntity; import org.apache.commons.httpclient.methods.multipart.Part; import org.apache.commons.httpclient.methods.multipart.StringPart; import org.apache.commons.httpclient.params.HttpConnectionManagerParams; import org.apache.commons.io.IOUtils; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import org.springframework.util.StreamUtils; /** * Hello world! * */ public class HttpClientApp { private static final Logger logger = LoggerFactory.getLogger(HttpClientApp.class); public static void main( String[] args ) { String url="http://127.0.0.1:8081/SpringMvc1/student"; String reqStr="aaaaaaa"; String contentType="application/json"; String charset="UTF-8"; String ss=doPost( url, reqStr, contentType, charset) ; System.out.println("返回内容为1：" +ss); Part[] parts=new Part[2]; parts[0]=new StringPart("request", "请求报文体",charset); parts[1]=new StringPart("sign", "数字签名",charset); url="http://127.0.0.1:8081/SpringMvc1/BossServlet"; // url="http://127.0.0.1:8081/SpringMvc1/fileupload"; String response=doPostMuStr( url, parts) ; System.out.println("返回内容为1：" +response); } /** * 执行一个HTTP POST请求，返回请求响应的HTML * * @param url 请求的URL地址 * @param reqStr 请求的查询参数,可以为null * @param charset 字符集 * @return 返回请求响应的HTML */ public static String doPost(String url, String reqStr, String contentType, String charset) { HttpClient client = new HttpClient(); PostMethod method = new PostMethod(url); try { HttpConnectionManagerParams managerParams = client.getHttpConnectionManager().getParams(); managerParams.setConnectionTimeout(30000); // 设置连接超时时间(单位毫秒) managerParams.setSoTimeout(30000); // 设置读数据超时时间(单位毫秒) method.setRequestEntity(new StringRequestEntity(reqStr, contentType, "utf-8")); client.executeMethod(method); System.out.println("返回的状态码为：" +method.getStatusCode()); if (method.getStatusCode() == HttpStatus.SC_OK) { // return StreamUtils.copyToString(method.getResponseBodyAsStream(), Charset.forName(charset)); return IOUtils.toString(method.getResponseBodyAsStream(),"utf-8"); } } catch (UnsupportedEncodingException e1) { logger.error(e1.getMessage()); return ""; } catch (IOException e) { logger.error("执行HTTP Post请求" + url + "时，发生异常！" + e.toString()); return ""; } finally { method.releaseConnection(); } return null; } /** * 执行一个HTTP POST请求，返回请求响应的HTML * * @param url 请求的URL地址 * @param reqStr 请求的查询参数,可以为null * @param charset 字符集 * @return 返回请求响应的HTML */ public static String doPostMuStr(String url, Part[] reqStr) { HttpClient client = new HttpClient(); PostMethod method = new PostMethod(url); try { HttpConnectionManagerParams managerParams = client.getHttpConnectionManager().getParams(); managerParams.setConnectionTimeout(30000); // 设置连接超时时间(单位毫秒) managerParams.setSoTimeout(30000); // 设置读数据超时时间(单位毫秒) method.setRequestEntity(new MultipartRequestEntity(reqStr, method.getParams())); // method.setContentChunked(true); client.executeMethod(method); System.out.println("返回的状态码为：" +method.getStatusCode()); if (method.getStatusCode() == HttpStatus.SC_OK) { return IOUtils.toString(method.getResponseBodyAsStream(),"utf-8"); } } catch (UnsupportedEncodingException e1) { logger.error(e1.getMessage()); return ""; } catch (IOException e) { logger.error("执行HTTP Post请求" + url + "时，发生异常！" + e.toString()); return ""; } finally { method.releaseConnection(); } return null; } }

JSP菜鸟一枚，请教如何实现在JSP页面点击button 按钮提交POST请求，并获取返回值

JSP菜鸟一枚，请教如何实现在JSP页面点击button 按钮提交POST请求，并获取返回值，问题很困扰。 因为之前不太了解框架和技术，之前用过ajax、jquery，请求成功，但是返回值取不出来，因为跨域请求安全问题。准备用servlet，但是servlet需要在服务端做修改，显然不适合，我是接口调用。请问大家有什么好的方法，实现JSP页面按钮提交求情获取返回值，最好能给一段代码示例。 Index.jsp <%@ page language="java" import="java.util.*" %> <%@ page pageEncoding="UTF-8" contentType="text/html;charset=utf-8" %> <%@ page import="WEB_API.*"%> <% String path = request.getContextPath(); String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/"; %> <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> <html> <head header("Access-Control-Allow-Methods:GET,POST");> <base href="<%=basePath%>"> <title>中文显示示例</title> <meta http-equiv="Access-Control-Allow-Origin" content="http://eucpwx.mb345.com:443"> <meta http-equiv="pragma" content="no-cache"> <meta http-equiv="cache-control" content="no-cache"> <meta http-equiv="expires" content="0"> <meta http-equiv="keywords" content="keyword1,keyword2,keyword3"> <meta http-equiv="description" content="This is my page"> <% WEB_API wa=new WEB_API(); String res=wa.sendPost("17761280053", "验证码是123"); System.out.println(res); %> <script type="text/JavaScript" src="js/jquery-3.0.0.min.js" ></script> <script type="text/javascript"> function dianji(){ $.post("http://eucpwx.mb345.com:443/AppApi/User/GetUserList?UserID=SU0126&GetType=1&NowID=&GetNum=1&Other=&SearchUserName=", function(data){ alert("Data Loaded: " + data); }); } </script> </head> <body>中文显示示例 <br> <input id="test" type="text" value="jquery"/> <input id="btn" type="button" onclick="dianji()" value="单击弹窗"/> </body> </html> WEB_API.java package WEB_API; import java.awt.EventQueue; import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.io.PrintWriter; import java.io.UnsupportedEncodingException; import java.net.MalformedURLException; import java.net.URL; import java.net.URLConnection; import java.net.URLEncoder; import javax.swing.*; import java.sql.Connection; import java.sql.DatabaseMetaData; import java.sql.DriverManager; import java.sql.PreparedStatement; import java.sql.ResultSet; import java.sql.ResultSetMetaData; import java.sql.SQLException; import java.sql.Statement; import java.sql.Types; import java.io.BufferedReader; import java.io.File; import java.io.FileOutputStream; import java.io.FileReader; import java.io.RandomAccessFile; import java.util.ArrayList; import java.util.List; import com.alibaba.fastjson.JSON.*; public class WEB_API{ private static Connection con = null; public static void main(String[] args) { } public WEB_API(){ } public static String sendPost(String url, String param) { PrintWriter out = null; BufferedReader in = null; String result = ""; String strUrl="http://eucpwx.mb345.com:443/AppApi/User/GetUserList?"; String strparam = "UserID=SU0126&GetType=1&NowID=&GetNum=1&Other=&SearchUserName="; try { URL realUrl = new URL(strUrl); URLConnection conn = realUrl.openConnection(); conn.setRequestProperty("accept", "*/*"); conn.setRequestProperty("connection", "Keep-Alive"); conn.setRequestProperty("user-agent", "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1;SV1)"); conn.setDoOutput(true); conn.setDoInput(true); out = new PrintWriter(conn.getOutputStream()); out.print(strparam); out.flush(); in = new BufferedReader(new InputStreamReader(conn.getInputStream(),"UTF-8")); String line; while ((line = in.readLine()) != null) { result += line; } } catch (Exception e) { System.out.println("发送POST请求出现异常！" + e); e.printStackTrace(); } finally { try { if (out != null) { out.close(); } if (in != null) { in.close(); } } catch (IOException ex) { ex.printStackTrace(); } } return result; } } 火狐浏览器显示： 

使用CXF发布Rest服务 出现read time out错误

CXF版本：2.3.0 现象：偶尔出现连接超时，但不是必现，不知道是否有高手遇到过类似的错误 部分异常信息： ``` [1127 10:55:38 480 WARN ] [http-bio-9095-exec-9] cxf.phase.PhaseInterceptorChain - Interceptor for {http://localhost:9091/test/ws}WebClient has thrown exception, unwinding now org.apache.cxf.interceptor.Fault: Could not send Message. at org.apache.cxf.interceptor.MessageSenderInterceptor$MessageSenderEndingInterceptor.handleMessage(MessageSenderInterceptor.java:64) at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:247) at org.apache.cxf.jaxrs.client.WebClient.doChainedInvocation(WebClient.java:616) at org.apache.cxf.jaxrs.client.WebClient.doInvoke(WebClient.java:596) at org.apache.cxf.jaxrs.client.WebClient.invoke(WebClient.java:324) at org.apache.cxf.jaxrs.client.WebClient.post(WebClient.java:360) at com.neusoft.acorn.apps.terminal.application.internal.ExamEndSignServiceImpl.saveExamEndSignInfo(ExamEndSignServiceImpl.java:34) at com.neusoft.acorn.protocol.terminal.ExamEndSignSubmitData.saveExamEndSignInfo(ExamEndSignSubmitData.java:1208) at com.neusoft.acorn.protocol.terminal.FunctionSubmitALLCheckData.getReturnXmlValue(FunctionSubmitALLCheckData.java:102) at com.neusoft.acorn.protocol.terminal.TRMDataExchange.dmClient(TRMDataExchange.java:150) at com.neusoft.acorn.protocol.terminal.TRMDataExchange.doGetPost(TRMDataExchange.java:86) at com.neusoft.acorn.protocol.terminal.TRMDataExchange.doPost(TRMDataExchange.java:67) at javax.servlet.http.HttpServlet.service(HttpServlet.java:650) at javax.servlet.http.HttpServlet.service(HttpServlet.java:731) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:303) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208) at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208) at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:88) at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:76) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:219) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:110) at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:494) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:169) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:104) at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:1025) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:116) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:445) at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1136) at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:637) at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:316) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) at java.lang.Thread.run(Thread.java:745) Caused by: java.net.SocketTimeoutException: SocketTimeoutException invoking http://localhost:9091/test/ws/dailyTestAssemble/putExamEndSign.xml: Read timed out at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.lang.reflect.Constructor.newInstance(Constructor.java:526) at org.apache.cxf.transport.http.HTTPConduit$WrappedOutputStream.mapException(HTTPConduit.java:1995) at org.apache.cxf.transport.http.HTTPConduit$WrappedOutputStream.close(HTTPConduit.java:1980) at org.apache.cxf.transport.AbstractConduit.close(AbstractConduit.java:56) at org.apache.cxf.transport.http.HTTPConduit.close(HTTPConduit.java:662) at org.apache.cxf.interceptor.MessageSenderInterceptor$MessageSenderEndingInterceptor.handleMessage(MessageSenderInterceptor.java:62) ... 37 more Caused by: java.net.SocketTimeoutException: Read timed out at java.net.SocketInputStream.socketRead0(Native Method) at java.net.SocketInputStream.read(SocketInputStream.java:152) at java.net.SocketInputStream.read(SocketInputStream.java:122) at java.io.BufferedInputStream.fill(BufferedInputStream.java:235) at java.io.BufferedInputStream.read1(BufferedInputStream.java:275) at java.io.BufferedInputStream.read(BufferedInputStream.java:334) at sun.net.www.http.HttpClient.parseHTTPHeader(HttpClient.java:690) at sun.net.www.http.HttpClient.parseHTTP(HttpClient.java:633) at sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:1324) at java.net.HttpURLConnection.getResponseCode(HttpURLConnection.java:468) at org.apache.cxf.transport.http.HTTPConduit$WrappedOutputStream.handleResponseInternal(HTTPConduit.java:2102) at org.apache.cxf.transport.http.HTTPConduit$WrappedOutputStream.handleResponse(HTTPConduit.java:2071) at org.apache.cxf.transport.http.HTTPConduit$WrappedOutputStream.close(HTTPConduit.java:1925) ... 40 more ```

zuul显示IO异常 : 你的主机中的软件中止了一个已建立的连接

### 我config中配置的虚拟路径代码如下： ``` @Autowired private YmlConfig config; @Override public void addResourceHandlers(ResourceHandlerRegistry registry) { registry.addResourceHandler("swagger-ui.html") .addResourceLocations("classpath:/META-INF/resources/"); registry.addResourceHandler("/webjars/**") .addResourceLocations("classpath:/META-INF/resources/webjars/"); registry.addResourceHandler("video/**") .addResourceLocations("file:"+config.getMapProps().get("videoSaveDir")); } ``` ###错误信息如下： ###2019-10-30 11:36:06.214 [http-nio-2222-exec-2] WARN o.s.c.netflix.zuul.filters.post.SendResponseFilter - Error while sending response to client: java.io.IOException: 你的主机中的软件中止了一个已建立的连接。 2019-10-30 11:36:06.215 [http-nio-2222-exec-2] WARN o.s.c.netflix.zuul.filters.post.SendErrorFilter - Error during filtering com.netflix.zuul.exception.ZuulException: Filter threw Exception at com.netflix.zuul.FilterProcessor.processZuulFilter(FilterProcessor.java:227) at com.netflix.zuul.FilterProcessor.runFilters(FilterProcessor.java:157) at com.netflix.zuul.FilterProcessor.postRoute(FilterProcessor.java:92) at com.netflix.zuul.ZuulRunner.postRoute(ZuulRunner.java:87) at com.netflix.zuul.http.ZuulServlet.postRoute(ZuulServlet.java:107) at com.netflix.zuul.http.ZuulServlet.service(ZuulServlet.java:88) at org.springframework.web.servlet.mvc.ServletWrappingController.handleRequestInternal(ServletWrappingController.java:157) at org.springframework.cloud.netflix.zuul.web.ZuulController.handleRequest(ZuulController.java:44) at org.springframework.web.servlet.mvc.SimpleControllerHandlerAdapter.handle(SimpleControllerHandlerAdapter.java:50) at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:967) at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:901) at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:970) at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:861) at javax.servlet.http.HttpServlet.service(HttpServlet.java:635) at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:846) at javax.servlet.http.HttpServlet.service(HttpServlet.java:742) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:231) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.springframework.boot.web.filter.ApplicationContextHeaderFilter.doFilterInternal(ApplicationContextHeaderFilter.java:55) at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.apache.shiro.web.servlet.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:112) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.apache.shiro.web.servlet.AdviceFilter.executeChain(AdviceFilter.java:108) at org.apache.shiro.web.servlet.AdviceFilter.doFilterInternal(AdviceFilter.java:137) at org.apache.shiro.web.servlet.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:125) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.apache.shiro.web.servlet.AdviceFilter.executeChain(AdviceFilter.java:108) at org.apache.shiro.web.servlet.AdviceFilter.doFilterInternal(AdviceFilter.java:137) at org.apache.shiro.web.servlet.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:125) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.apache.shiro.web.servlet.AdviceFilter.executeChain(AdviceFilter.java:108) at org.apache.shiro.web.servlet.AdviceFilter.doFilterInternal(AdviceFilter.java:137) at org.apache.shiro.web.servlet.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:125) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.apache.shiro.web.servlet.AbstractShiroFilter.executeChain(AbstractShiroFilter.java:449) at org.apache.shiro.web.servlet.AbstractShiroFilter$1.call(AbstractShiroFilter.java:365) at org.apache.shiro.subject.support.SubjectCallable.doCall(SubjectCallable.java:90) at org.apache.shiro.subject.support.SubjectCallable.call(SubjectCallable.java:83) at org.apache.shiro.subject.support.DelegatingSubject.execute(DelegatingSubject.java:383) at org.apache.shiro.web.servlet.AbstractShiroFilter.doFilterInternal(AbstractShiroFilter.java:362) at org.apache.shiro.web.servlet.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:125) at org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:347) at org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:263) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.springframework.boot.actuate.trace.WebRequestTraceFilter.doFilterInternal(WebRequestTraceFilter.java:111) at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.springframework.cloud.sleuth.instrument.web.TraceFilter.doFilter(TraceFilter.java:166) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:197) at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.springframework.boot.actuate.autoconfigure.MetricsFilter.doFilterInternal(MetricsFilter.java:106) at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:198) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96) at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:496) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:140) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:81) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:87) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:342) at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:803) at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66) at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:790) at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1468) at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) at java.lang.Thread.run(Thread.java:745) Caused by: java.lang.reflect.UndeclaredThrowableException: null at org.springframework.util.ReflectionUtils.rethrowRuntimeException(ReflectionUtils.java:317) at org.springframework.cloud.netflix.zuul.filters.post.SendResponseFilter.run(SendResponseFilter.java:120) at com.netflix.zuul.ZuulFilter.runFilter(ZuulFilter.java:112) at com.netflix.zuul.FilterProcessor.processZuulFilter(FilterProcessor.java:193) ... 84 common frames omitted Caused by: org.apache.catalina.connector.ClientAbortException: java.io.IOException: 你的主机中的软件中止了一个已建立的连接。 at org.apache.catalina.connector.OutputBuffer.realWriteBytes(OutputBuffer.java:356) at org.apache.catalina.connector.OutputBuffer.flushByteBuffer(OutputBuffer.java:825) at org.apache.catalina.connector.OutputBuffer.append(OutputBuffer.java:730) at org.apache.catalina.connector.OutputBuffer.writeBytes(OutputBuffer.java:391) at org.apache.catalina.connector.OutputBuffer.write(OutputBuffer.java:369) at org.apache.catalina.connector.CoyoteOutputStream.write(CoyoteOutputStream.java:96) at org.springframework.cloud.sleuth.instrument.web.TraceServletOutputStream.write(TraceServletOutputStream.java:120) at org.springframework.cloud.netflix.zuul.filters.post.SendResponseFilter.writeResponse(SendResponseFilter.java:231) at org.springframework.cloud.netflix.zuul.filters.post.SendResponseFilter.writeResponse(SendResponseFilter.java:188) at org.springframework.cloud.netflix.zuul.filters.post.SendResponseFilter.run(SendResponseFilter.java:117) ... 86 common frames omitted Caused by: java.io.IOException: 你的主机中的软件中止了一个已建立的连接。 at sun.nio.ch.SocketDispatcher.write0(Native Method) at sun.nio.ch.SocketDispatcher.write(SocketDispatcher.java:51) at sun.nio.ch.IOUtil.writeFromNativeBuffer(IOUtil.java:93) at sun.nio.ch.IOUtil.write(IOUtil.java:65) at sun.nio.ch.SocketChannelImpl.write(SocketChannelImpl.java:470) at org.apache.tomcat.util.net.NioChannel.write(NioChannel.java:134) at org.apache.tomcat.util.net.NioBlockingSelector.write(NioBlockingSelector.java:101) at org.apache.tomcat.util.net.NioSelectorPool.write(NioSelectorPool.java:157) at org.apache.tomcat.util.net.NioEndpoint$NioSocketWrapper.doWrite(NioEndpoint.java:1276) at org.apache.tomcat.util.net.SocketWrapperBase.doWrite(SocketWrapperBase.java:670) at org.apache.tomcat.util.net.SocketWrapperBase.writeBlocking(SocketWrapperBase.java:450) at org.apache.tomcat.util.net.SocketWrapperBase.write(SocketWrapperBase.java:388) at org.apache.coyote.http11.Http11OutputBuffer$SocketOutputBuffer.doWrite(Http11OutputBuffer.java:623) at org.apache.coyote.http11.filters.ChunkedOutputFilter.doWrite(ChunkedOutputFilter.java:123) at org.apache.coyote.http11.Http11OutputBuffer.doWrite(Http11OutputBuffer.java:225) at org.apache.coyote.Response.doWrite(Response.java:541) at org.apache.catalina.connector.OutputBuffer.realWriteBytes(OutputBuffer.java:351) ... 95 common frames omitted 经过多次检查，发现zuul在启动时会报上述错误，如果将config类中的 **registry.addResourceHandler("video/**") .addResourceLocations("file:"+config.getMapProps().get("videoSaveDir"));** 这段代码去掉，则不会出现上述错误，但是由于文件存放在服务器目录中，必须配置文件虚拟路径，请问该如何解决

nested exception is java.lang.NumberFormatException:

rg.springframework.validation.BeanPropertyBindingResult: 1 errors********** *efault message [Failed to convert property value of type 'java.lang.String' to required typorg.springframework.validation.BeanPropertyBindingResult: 1 errors efault message [Failed to convert property value of type 'java.lang.String' to required type 'java.lang.Integer' for property 'rentroomtype1'; nested exception is java.lang.NumberFormatException: For input string: "主?"] ## ## 代码： //添加一条数据 function addLea(){ //addImg(); //alert("test"); var renttitle1 =$("#renttitle1").val(); var rentarea1 = $("#rentarea1").val(); var areadetail1 = $("#areadetail1").val(); var rentroomType1 = $("#rentroomtype1").val(); var rentroomtype1; if(rentroomType1==0){ rentroomtype1 = "整租"; }else if(rentroomType1 == 1){ rentroomtype1 = "主卧"; }else if(rentroomType1 == 2){ rentroomtype1 = "次卧"; } var rentprize1 = $("#rentprize1").val(); var genderRequire1 = $("#genderrequire1").val(); var genderrequire1; if(genderRequire1==0){ genderrequire1 = "不限男女"; }else if(genderRequire1 == 1){ genderrequire1 = "男"; }else if(genderRequire1 == 2){ genderrequire1 = "女"; } var rentstartdate1 = $("#rentstartdate1").val(); var rentenddate1 = $("#rentenddate1").val(); var formData = new FormData(); for (var i=0;i<$('#roompictureurl1')[0].files.length;i++){ formData.append('file',$('#roompictureurl1')[0].files[i]); } /* console.log(formData.getAll('file')); */ formData.append('renttitle1',renttitle1); formData.append('rentpublisher1',1004); formData.append('rentarea1',rentarea1); formData.append('areadetail1',areadetail1); formData.append('rentroomtype1',rentroomtype1.toString()); formData.append('rentprize1',rentprize1); formData.append('genderRequire1',genderRequire1.toString()); formData.append('rentstartdate1',rentstartdate1); formData.append('rentenddate1',rentenddate1); /* var roompictureurl1 =$("#roompictureurl1").val(); */ $.ajax({ url: '<%=request.getContextPath()%>/insertOne.do', type: 'post', data: formData, dataType:'json', cache: false, processData: false, contentType: false, success : function(data) { $('#myModal').modal('hide'); $('#back').hide(); $('#sure').hide(); $("#showContent").text('添加成功！'); setTimeout(function () {$('#delModal').modal('show');}, 500); setTimeout(function () {$("#delModal").modal('hide');}, 1500); setTimeout(function () {window.location.reload(); },2000); //alert(formData); //window.location.reload(); } }) } 点击提交的时候报上面的错

vue项目build后请求404

我前端使用vue，后端使用java开发的前后端分离的小项目。 前端完事以后用npm run dev都能正常运行。 但是使用npm run build打包后放在tomcat上访问却出问题了。 界面可以打开，资源也加载了。但是在向后端发送请求时，却报错了。我用的axios请求。 情况如下： <br> Failed to load resource: the server responded with a status of 404 () Error: Request failed with status code 404 at FtD3.e.exports (vendor.b3fd7698053a850e233d.js:43) at e.exports (vendor.b3fd7698053a850e233d.js:13) at XMLHttpRequest.f.onreadystatechange (vendor.b3fd7698053a850e233d.js:19) 我搜索了一下没有什么收获。问题的关键在于后端没问题，dev时请求没问题，就是build时请求404。 求好心人指点。 <br> <hr> <br>  今天我再调试，发现错误有了一点变化，主要是多了一个post请求地址，但是实际上这个地址是错误的。正确的应该是139.196.125.89:8080/lis_war/login。

JAVA后端调用http Post请求，url后面拼接参数报错

JAVA后端 通过一个方法调用http Post请求 请求另外一个接口，url后面拼接参数报错：java.io.IOException: Invalid Http response 步骤1：通过这个方法（sendPostTest01）调用另一个方法（sendPostTest02）  步骤2：这个是使用的工具类，第91行报错：java.io.IOException: Invalid Http response  步骤3：要被调用的方法  测试：这个是我postman上测试的数据，调用的和被调用的方法都是这种传值方法 

在httpclient中使用Serializable接口报错

public static void main(String[] args) throws IOException, ClassNotFoundException { String url = "http://localhost:8080/RmiJetty/test"; Scanner sc1 = new Scanner(System.in); String queryString1 = "num1 = 1"; String queryString2 = "num2 = 1"; String inputObj = sc1.next(); Serializable s = getObjFromServer(url, queryString1,queryString2, inputObj); System.out.println(s.toString()); } /** * @param url * @param queryString 类似a=b&c=d 形式的参数 * * @param inputObj 发送到服务器的对象。 * * @return 服务器返回到客户端的对象。 * @throws IOException */ public static Serializable getObjFromServer(String url, String queryString1,String queryString2,Serializable inputObj) throws IOException { HttpClient client = new HttpClient(); PostMethod post = new PostMethod(url); post.setQueryString(queryString1); post.setQueryString(queryString2); post.setRequestHeader("Content-Type", "application/octet-stream"); java.io.ByteArrayOutputStream bOut = new java.io.ByteArrayOutputStream(1024); java.io.ByteArrayInputStream bInput = null; java.io.ObjectOutputStream out = null; Serializable returnObj = null; try { out = new java.io.ObjectOutputStream(bOut); out.writeObject(inputObj); out.flush(); out.close(); out = null; bInput = new java.io.ByteArrayInputStream(bOut.toByteArray()); RequestEntity re = new InputStreamRequestEntity(bInput); post.setRequestEntity(re); client.executeMethod(post); java.io.InputStream in = post.getResponseBodyAsStream(); java.io.ObjectInputStream oInput = new java.io.ObjectInputStream(in); returnObj = (Serializable) oInput.readObject(); oInput.close(); oInput = null; } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); } catch (ClassNotFoundException e) { // TODO Auto-generated catch block e.printStackTrace(); } finally { if (out != null) { out.close(); out = null; } if (bInput != null) { bInput.close(); bInput = null; } //释放连接 post.releaseConnection(); } return returnObj; } 下面是servlet： public class servlet1 extends HttpServlet{ protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { String strnum1 = request.getParameter("num1"); String strnum2 = request.getParameter("num2"); //String strnum3 = request.getParameter("inputObj"); java.io.ObjectInputStream oi = null; java.io.ObjectOutputStream ot = null; String url="rmi://127.0.0.1/Hello"; //hello表示为一个token，类似秘钥 try { NumServer server = (NumServer)Naming.lookup(url); oi = new java.io.ObjectInputStream(request.getInputStream()); Object o = oi.readObject(); oi.close(); oi = null; //int result = Integer.parseInt(strnum1) + Integer.parseInt(o.toString()); int a = Integer.parseInt(strnum1); int b = Integer.parseInt(strnum2); int result = server.num(a,b,o.toString()); ot = new java.io.ObjectOutputStream(response.getOutputStream()); ot.writeObject(result); ot.flush(); ot.close(); ot = null; PrintWriter pw = response.getWriter(); pw.println(result); }catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); } catch (ClassNotFoundException e) { // TODO Auto-generated catch block e.printStackTrace(); } catch (NotBoundException e) { // TODO Auto-generated catch block e.printStackTrace(); } finally { try { if (oi != null) { oi.close(); oi = null; } if (ot != null) { ot.close(); ot = null; } } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); } } } } 这是报的错： java.io.EOFException at java.io.ObjectInputStream$PeekInputStream.readFully(ObjectInputStream.java:2281) at java.io.ObjectInputStream$BlockDataInputStream.readShort(ObjectInputStream.java:2750) at java.io.ObjectInputStream.readStreamHeader(ObjectInputStream.java:780) at java.io.ObjectInputStream.<init>(ObjectInputStream.java:280) at RmiClient.HttpClientTest1.getObjFromServer(HttpClientTest1.java:79) at RmiClient.HttpClientTest1.main(HttpClientTest1.java:31) Exception in thread "main" java.lang.NullPointerException at RmiClient.HttpClientTest1.main(HttpClientTest1.java:33) 求大神帮忙啊

http的post请求出现401的错误，怎么解决

import java.io.BufferedReader; import java.io.DataOutputStream; import java.io.InputStreamReader; import java.net.HttpURLConnection; import java.net.URL; import java.net.UnknownHostException; public class GetToken { public static final String POST_URL = "https://c2bt4.maxuscloud.com/oauth/token"; /** * 调用Post接口 */ public static void httpURLConnectionPOST(){ try { URL url = new URL(POST_URL); HttpURLConnection connection = (HttpURLConnection) url.openConnection(); connection.setDoOutput(true); connection.setDoInput(true); connection.setRequestMethod("POST"); // post请求缓存设为false connection.setUseCaches(false); // 设置该HttpURLConnection实例是否自动执行重定向 connection.setInstanceFollowRedirects(true); connection.setRequestProperty("Content-Type","application/json;charset=utf-8"); connection.connect(); DataOutputStream dataout = new DataOutputStream(connection.getOutputStream()); String param = "client_id=bc8f844701de11e98372fa163ed907b0&client_secret=cda0673501de11e98372fa163ed907b0&scope=read write&grant_type=client_credentials"; dataout.writeBytes(param); dataout.flush(); dataout.close(); BufferedReader bf = new BufferedReader(new InputStreamReader(connection.getInputStream(), "UTF-8")); String line; StringBuilder sb = new StringBuilder(); // 用来存储响应数据 // 循环读取流,若不到结尾处 while ((line = bf.readLine()) != null) { //sb.append(bf.readLine()); sb.append(line).append(System.getProperty("line.separator")); } bf.close(); // 重要且易忽略步骤 (关闭流,切记!) connection.disconnect(); // 销毁连接 System.out.println(sb.toString()); }catch (Exception e){ e.printStackTrace(); } } public static void main(String[] args) throws UnknownHostException { httpURLConnectionPOST(); } } 

通过zuul调用xxxserver,zuul报错

zuul网关在超时时间内并未访问到xxxserver服务，超时时间用在哪了？，最近偶尔出现得情况 zuul 服务配置： hystrix.command.default.execution.isolation.thread.timeoutInMilliseconds=60000 ribbon.ConnectTimeout=60000 ribbon.ReadTimeout=60000 报错日志： org.springframework.cloud.netflix.zuul.filters.post.SendErrorFilterrun:78 Error during filtering com.netflix.zuul.exception.ZuulException: Forwarding error at org.springframework.cloud.netflix.zuul.filters.route.RibbonRoutingFilter.handleException(RibbonRoutingFilter.java:188) at org.springframework.cloud.netflix.zuul.filters.route.RibbonRoutingFilter.forward(RibbonRoutingFilter.java:163) at org.springframework.cloud.netflix.zuul.filters.route.RibbonRoutingFilter.run(RibbonRoutingFilter.java:111) at com.netflix.zuul.ZuulFilter.runFilter(ZuulFilter.java:117) at com.netflix.zuul.FilterProcessor.processZuulFilter(FilterProcessor.java:193) at com.netflix.zuul.FilterProcessor.runFilters(FilterProcessor.java:157) at com.netflix.zuul.FilterProcessor.route(FilterProcessor.java:118) at com.netflix.zuul.ZuulRunner.route(ZuulRunner.java:96) at com.netflix.zuul.http.ZuulServlet.route(ZuulServlet.java:116) at com.netflix.zuul.http.ZuulServlet.service(ZuulServlet.java:81) at org.springframework.web.servlet.mvc.ServletWrappingController.handleRequestInternal(ServletWrappingController.java:157) at org.springframework.cloud.netflix.zuul.web.ZuulController.handleRequest(ZuulController.java:44) at org.springframework.web.servlet.mvc.SimpleControllerHandlerAdapter.handle(SimpleControllerHandlerAdapter.java:50) at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:967) at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:901) at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:970) at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:861) at javax.servlet.http.HttpServlet.service(HttpServlet.java:635) at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:846) at javax.servlet.http.HttpServlet.service(HttpServlet.java:742) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:231) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.springframework.boot.web.filter.ApplicationContextHeaderFilter.doFilterInternal(ApplicationContextHeaderFilter.java:55) at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.springframework.web.filter.CorsFilter.doFilterInternal(CorsFilter.java:96) at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.springframework.boot.actuate.trace.WebRequestTraceFilter.doFilterInternal(WebRequestTraceFilter.java:111) at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.springframework.web.filter.RequestContextFilter.doFilterInternal(RequestContextFilter.java:99) at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.springframework.web.filter.HttpPutFormContentFilter.doFilterInternal(HttpPutFormContentFilter.java:109) at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.springframework.web.filter.HiddenHttpMethodFilter.doFilterInternal(HiddenHttpMethodFilter.java:81) at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:197) at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.springframework.boot.actuate.autoconfigure.MetricsFilter.doFilterInternal(MetricsFilter.java:106) at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:198) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96) at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:496) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:140) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:81) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:87) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:342) at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:803) at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66) at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:790) at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1468) at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) at java.lang.Thread.run(Thread.java:748) Caused by: com.netflix.hystrix.exception.HystrixRuntimeException: xxxserver timed-out and no fallback available. at com.netflix.hystrix.AbstractCommand$22.call(AbstractCommand.java:819) at com.netflix.hystrix.AbstractCommand$22.call(AbstractCommand.java:804) at rx.internal.operators.OperatorOnErrorResumeNextViaFunction$4.onError(OperatorOnErrorResumeNextViaFunction.java:140) at rx.internal.operators.OnSubscribeDoOnEach$DoOnEachSubscriber.onError(OnSubscribeDoOnEach.java:87) at rx.internal.operators.OnSubscribeDoOnEach$DoOnEachSubscriber.onError(OnSubscribeDoOnEach.java:87) at com.netflix.hystrix.AbstractCommand$DeprecatedOnFallbackHookApplication$1.onError(AbstractCommand.java:1472) at com.netflix.hystrix.AbstractCommand$FallbackHookApplication$1.onError(AbstractCommand.java:1397) at rx.internal.operators.OnSubscribeDoOnEach$DoOnEachSubscriber.onError(OnSubscribeDoOnEach.java:87) at rx.observers.Subscribers$5.onError(Subscribers.java:230) at rx.internal.operators.OnSubscribeThrow.call(OnSubscribeThrow.java:44) at rx.internal.operators.OnSubscribeThrow.call(OnSubscribeThrow.java:28) at rx.Observable.unsafeSubscribe(Observable.java:10151) at rx.internal.operators.OnSubscribeDefer.call(OnSubscribeDefer.java:51) at rx.internal.operators.OnSubscribeDefer.call(OnSubscribeDefer.java:35) at rx.Observable.unsafeSubscribe(Observable.java:10151) at rx.internal.operators.OnSubscribeDoOnEach.call(OnSubscribeDoOnEach.java:41) at rx.internal.operators.OnSubscribeDoOnEach.call(OnSubscribeDoOnEach.java:30) at rx.internal.operators.OnSubscribeLift.call(OnSubscribeLift.java:48) at rx.internal.operators.OnSubscribeLift.call(OnSubscribeLift.java:30) at rx.internal.operators.OnSubscribeLift.call(OnSubscribeLift.java:48) at rx.internal.operators.OnSubscribeLift.call(OnSubscribeLift.java:30) at rx.Observable.unsafeSubscribe(Observable.java:10151) at rx.internal.operators.OnSubscribeDoOnEach.call(OnSubscribeDoOnEach.java:41) at rx.internal.operators.OnSubscribeDoOnEach.call(OnSubscribeDoOnEach.java:30) at rx.Observable.unsafeSubscribe(Observable.java:10151) at rx.internal.operators.OnSubscribeDoOnEach.call(OnSubscribeDoOnEach.java:41) at rx.internal.operators.OnSubscribeDoOnEach.call(OnSubscribeDoOnEach.java:30) at rx.internal.operators.OnSubscribeLift.call(OnSubscribeLift.java:48) at rx.internal.operators.OnSubscribeLift.call(OnSubscribeLift.java:30) at rx.Observable.unsafeSubscribe(Observable.java:10151) at rx.internal.operators.OnSubscribeDoOnEach.call(OnSubscribeDoOnEach.java:41) at rx.internal.operators.OnSubscribeDoOnEach.call(OnSubscribeDoOnEach.java:30) at rx.internal.operators.OnSubscribeLift.call(OnSubscribeLift.java:48) at rx.internal.operators.OnSubscribeLift.call(OnSubscribeLift.java:30) at rx.Observable.unsafeSubscribe(Observable.java:10151) at rx.internal.operators.OperatorOnErrorResumeNextViaFunction$4.onError(OperatorOnErrorResumeNextViaFunction.java:142) at rx.internal.operators.OnSubscribeDoOnEach$DoOnEachSubscriber.onError(OnSubscribeDoOnEach.java:87) at rx.internal.operators.OnSubscribeDoOnEach$DoOnEachSubscriber.onError(OnSubscribeDoOnEach.java:87) at com.netflix.hystrix.AbstractCommand$HystrixObservableTimeoutOperator$1$1.run(AbstractCommand.java:1154) at com.netflix.hystrix.strategy.concurrency.HystrixContextRunnable$1.call(HystrixContextRunnable.java:45) at com.netflix.hystrix.strategy.concurrency.HystrixContextRunnable$1.call(HystrixContextRunnable.java:41) at com.netflix.hystrix.strategy.concurrency.HystrixContextRunnable.run(HystrixContextRunnable.java:61) at com.netflix.hystrix.AbstractCommand$HystrixObservableTimeoutOperator$1.tick(AbstractCommand.java:1159) at com.netflix.hystrix.util.HystrixTimer$1.run(HystrixTimer.java:99) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) ... 1 common frames omitted Caused by: java.util.concurrent.TimeoutException: null at com.netflix.hystrix.AbstractCommand.handleTimeoutViaFallback(AbstractCommand.java:997) at com.netflix.hystrix.AbstractCommand.access$500(AbstractCommand.java:60) at com.netflix.hystrix.AbstractCommand$12.call(AbstractCommand.java:610) at com.netflix.hystrix.AbstractCommand$12.call(AbstractCommand.java:601) at rx.internal.operators.OperatorOnErrorResumeNextViaFunction$4.onError(OperatorOnErrorResumeNextViaFunction.java:140) ... 15 common frames omitted

Java项目开启https双向认证，服务中使用restTemplate发出的请求，怎么能访问该服务？

使用https的单向认证，通过配置下面代码能实现restTemplate的访问 ``` @Primary @Bean public RestTemplate restTemplate() { return new RestTemplate(generateHttpsRequestFactory()); } public HttpComponentsClientHttpRequestFactory generateHttpsRequestFactory() { try { TrustStrategy acceptingTrustStrategy = (x509Certificates, authType) -> true; SSLContext sslContext = SSLContexts.custom().loadTrustMaterial(null, acceptingTrustStrategy).build(); SSLConnectionSocketFactory connectionSocketFactory = new SSLConnectionSocketFactory(sslContext, new NoopHostnameVerifier()); HttpClientBuilder httpClientBuilder = HttpClients.custom(); httpClientBuilder.setSSLSocketFactory(connectionSocketFactory); CloseableHttpClient httpClient = httpClientBuilder.build(); HttpComponentsClientHttpRequestFactory factory = new HttpComponentsClientHttpRequestFactory(); factory.setHttpClient(httpClient); factory.setConnectTimeout(10 * 1000); factory.setReadTimeout(30 * 1000); return factory; } catch (Exception e) { throw new RuntimeException("创建HttpsRestTemplate失败", e); } } ``` 如果在tomcat中开启双向https认证，访问报错 ``` org.springframework.web.client.ResourceAccessException: I/O error on POST request for "https://127.0.0.1:9082/portal/oauth/token": Received fatal alert: bad_certificate; nested exception is javax.net.ssl.SSLHandshakeException: Received fatal alert: bad_certificate at org.springframework.web.client.RestTemplate.doExecute(RestTemplate.java:666) ~[spring-web-4.3.8.RELEASE.jar:4.3.8.RELEASE] at org.springframework.web.client.RestTemplate.execute(RestTemplate.java:613) ~[spring-web-4.3.8.RELEASE.jar:4.3.8.RELEASE] at org.springframework.web.client.RestTemplate.exchange(RestTemplate.java:531) ~[spring-web-4.3.8.RELEASE.jar:4.3.8.RELEASE] at org.springframework.web.client.RestTemplate$$FastClassBySpringCGLIB$$aa4e9ed0.invoke(<generated>) ~[spring-web-4.3.8.RELEASE.jar:4.3.8.RELEASE] at org.springframework.cglib.proxy.MethodProxy.invoke(MethodProxy.java:204) ~[spring-core-4.3.8.RELEASE.jar:4.3.8.RELEASE] at org.springframework.aop.framework.CglibAopProxy$CglibMethodInvocation.invokeJoinpoint(CglibAopProxy.java:738) ~[spring-aop-4.3.8.RELEASE.jar:4.3.8.RELEASE] at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:157) ~[spring-aop-4.3.8.RELEASE.jar:4.3.8.RELEASE] at org.springframework.aop.aspectj.MethodInvocationProceedingJoinPoint.proceed(MethodInvocationProceedingJoinPoint.java:85) ~[spring-aop-4.3.8.RELEASE.jar:4.3.8.RELEASE] at org.springframework.cloud.netflix.metrics.RestTemplateUrlTemplateCapturingAspect.captureUrlTemplate(RestTemplateUrlTemplateCapturingAspect.java:33) ~[spring-cloud-netflix-core-1.3.6.RELEASE.jar:1.3.6.RELEASE] at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:1.8.0_192] at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[na:1.8.0_192] at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:1.8.0_192] at java.lang.reflect.Method.invoke(Method.java:498) ~[na:1.8.0_192] at org.springframework.aop.aspectj.AbstractAspectJAdvice.invokeAdviceMethodWithGivenArgs(AbstractAspectJAdvice.java:629) ~[spring-aop-4.3.8.RELEASE.jar:4.3.8.RELEASE] at org.springframework.aop.aspectj.AbstractAspectJAdvice.invokeAdviceMethod(AbstractAspectJAdvice.java:618) ~[spring-aop-4.3.8.RELEASE.jar:4.3.8.RELEASE] at org.springframework.aop.aspectj.AspectJAroundAdvice.invoke(AspectJAroundAdvice.java:70) ~[spring-aop-4.3.8.RELEASE.jar:4.3.8.RELEASE] at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179) ~[spring-aop-4.3.8.RELEASE.jar:4.3.8.RELEASE] at org.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:92) ~[spring-aop-4.3.8.RELEASE.jar:4.3.8.RELEASE] at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179) ~[spring-aop-4.3.8.RELEASE.jar:4.3.8.RELEASE] at org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:673) ~[spring-aop-4.3.8.RELEASE.jar:4.3.8.RELEASE] at org.springframework.web.client.RestTemplate$$EnhancerBySpringCGLIB$$33760eb2.exchange(<generated>) ~[spring-web-4.3.8.RELEASE.jar:4.3.8.RELEASE] at com.knowind.service.impl.AuthenticationService.applyToken(AuthenticationService.java:90) ~[classes/:0.0.1-SNAPSHOT] at com.knowind.service.impl.AuthenticationService.login(AuthenticationService.java:49) ~[classes/:0.0.1-SNAPSHOT] at com.knowind.controller.AuthenticationController.login(AuthenticationController.java:75) ~[classes/:0.0.1-SNAPSHOT] at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:1.8.0_192] at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[na:1.8.0_192] at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:1.8.0_192] at java.lang.reflect.Method.invoke(Method.java:498) ~[na:1.8.0_192] at org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:205) ~[spring-web-4.3.8.RELEASE.jar:4.3.8.RELEASE] at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:133) ~[spring-web-4.3.8.RELEASE.jar:4.3.8.RELEASE] at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:97) ~[spring-webmvc-4.3.8.RELEASE.jar:4.3.8.RELEASE] at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:827) ~[spring-webmvc-4.3.8.RELEASE.jar:4.3.8.RELEASE] at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:738) ~[spring-webmvc-4.3.8.RELEASE.jar:4.3.8.RELEASE] at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:85) ~[spring-webmvc-4.3.8.RELEASE.jar:4.3.8.RELEASE] at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:963) ~[spring-webmvc-4.3.8.RELEASE.jar:4.3.8.RELEASE] at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:897) ~[spring-webmvc-4.3.8.RELEASE.jar:4.3.8.RELEASE] at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:970) ~[spring-webmvc-4.3.8.RELEASE.jar:4.3.8.RELEASE] at org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:872) ~[spring-webmvc-4.3.8.RELEASE.jar:4.3.8.RELEASE] at javax.servlet.http.HttpServlet.service(HttpServlet.java:660) ~[servlet-api.jar:na] at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:846) ~[spring-webmvc-4.3.8.RELEASE.jar:4.3.8.RELEASE] at javax.servlet.http.HttpServlet.service(HttpServlet.java:741) ~[servlet-api.jar:na] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:231) [catalina.jar:8.5.45] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) [catalina.jar:8.5.45] at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52) ~[tomcat-websocket.jar:8.5.45] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) [catalina.jar:8.5.45] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) [catalina.jar:8.5.45] at org.springframework.boot.web.filter.ApplicationContextHeaderFilter.doFilterInternal(ApplicationContextHeaderFilter.java:55) ~[spring-boot-1.5.3.RELEASE.jar:1.5.3.RELEASE] at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) [spring-web-4.3.8.RELEASE.jar:4.3.8.RELEASE] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) [catalina.jar:8.5.45] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) [catalina.jar:8.5.45] at com.knowind.SimpleCORSFilter.doFilter(SimpleCORSFilter.java:30) ~[classes/:0.0.1-SNAPSHOT] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) [catalina.jar:8.5.45] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) [catalina.jar:8.5.45] at org.springframework.boot.actuate.trace.WebRequestTraceFilter.doFilterInternal(WebRequestTraceFilter.java:110) ~[spring-boot-actuator-1.5.3.RELEASE.jar:1.5.3.RELEASE] at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) [spring-web-4.3.8.RELEASE.jar:4.3.8.RELEASE] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) [catalina.jar:8.5.45] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) [catalina.jar:8.5.45] at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:208) ~[spring-security-web-4.2.2.RELEASE.jar:4.2.2.RELEASE] at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:177) ~[spring-security-web-4.2.2.RELEASE.jar:4.2.2.RELEASE] at org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:346) ~[spring-web-4.3.8.RELEASE.jar:4.3.8.RELEASE] at org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:262) ~[spring-web-4.3.8.RELEASE.jar:4.3.8.RELEASE] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) [catalina.jar:8.5.45] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) [catalina.jar:8.5.45] at org.springframework.web.filter.RequestContextFilter.doFilterInternal(RequestContextFilter.java:99) ~[spring-web-4.3.8.RELEASE.jar:4.3.8.RELEASE] at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) [spring-web-4.3.8.RELEASE.jar:4.3.8.RELEASE] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) [catalina.jar:8.5.45] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) [catalina.jar:8.5.45] at org.springframework.web.filter.HttpPutFormContentFilter.doFilterInternal(HttpPutFormContentFilter.java:105) ~[spring-web-4.3.8.RELEASE.jar:4.3.8.RELEASE] at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) [spring-web-4.3.8.RELEASE.jar:4.3.8.RELEASE] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) [catalina.jar:8.5.45] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) [catalina.jar:8.5.45] at org.springframework.web.filter.HiddenHttpMethodFilter.doFilterInternal(HiddenHttpMethodFilter.java:81) ~[spring-web-4.3.8.RELEASE.jar:4.3.8.RELEASE] at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) [spring-web-4.3.8.RELEASE.jar:4.3.8.RELEASE] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) [catalina.jar:8.5.45] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) [catalina.jar:8.5.45] at org.springframework.session.web.http.SessionRepositoryFilter.doFilterInternal(SessionRepositoryFilter.java:167) ~[spring-session-1.3.0.RELEASE.jar:na] at org.springframework.session.web.http.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:80) ~[spring-session-1.3.0.RELEASE.jar:na] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) [catalina.jar:8.5.45] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) [catalina.jar:8.5.45] at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:197) ~[spring-web-4.3.8.RELEASE.jar:4.3.8.RELEASE] at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) [spring-web-4.3.8.RELEASE.jar:4.3.8.RELEASE] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) [catalina.jar:8.5.45] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) [catalina.jar:8.5.45] at org.springframework.boot.actuate.autoconfigure.MetricsFilter.doFilterInternal(MetricsFilter.java:106) ~[spring-boot-actuator-1.5.3.RELEASE.jar:1.5.3.RELEASE] at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) [spring-web-4.3.8.RELEASE.jar:4.3.8.RELEASE] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) [catalina.jar:8.5.45] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) [catalina.jar:8.5.45] at org.springframework.boot.web.support.ErrorPageFilter.doFilter(ErrorPageFilter.java:115) [spring-boot-1.5.3.RELEASE.jar:1.5.3.RELEASE] at org.springframework.boot.web.support.ErrorPageFilter.access$000(ErrorPageFilter.java:59) [spring-boot-1.5.3.RELEASE.jar:1.5.3.RELEASE] at org.springframework.boot.web.support.ErrorPageFilter$1.doFilterInternal(ErrorPageFilter.java:90) [spring-boot-1.5.3.RELEASE.jar:1.5.3.RELEASE] at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) [spring-web-4.3.8.RELEASE.jar:4.3.8.RELEASE] at org.springframework.boot.web.support.ErrorPageFilter.doFilter(ErrorPageFilter.java:108) [spring-boot-1.5.3.RELEASE.jar:1.5.3.RELEASE] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) [catalina.jar:8.5.45] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) [catalina.jar:8.5.45] at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:199) [catalina.jar:8.5.45] at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96) [catalina.jar:8.5.45] at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:645) [catalina.jar:8.5.45] at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:139) [catalina.jar:8.5.45] at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:81) [catalina.jar:8.5.45] at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:678) [catalina.jar:8.5.45] at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:87) [catalina.jar:8.5.45] at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:343) [catalina.jar:8.5.45] at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:798) [tomcat-coyote.jar:8.5.45] at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66) [tomcat-coyote.jar:8.5.45] at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:810) [tomcat-coyote.jar:8.5.45] at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1498) [tomcat-coyote.jar:8.5.45] at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49) [tomcat-coyote.jar:8.5.45] at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) [na:1.8.0_192] at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) [na:1.8.0_192] at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) [tomcat-util.jar:8.5.45] at java.lang.Thread.run(Thread.java:748) [na:1.8.0_192] Caused by: javax.net.ssl.SSLHandshakeException: Received fatal alert: bad_certificate at sun.security.ssl.Alerts.getSSLException(Alerts.java:192) ~[na:1.8.0_192] at sun.security.ssl.Alerts.getSSLException(Alerts.java:154) ~[na:1.8.0_192] at sun.security.ssl.SSLSocketImpl.recvAlert(SSLSocketImpl.java:2020) ~[na:1.8.0_192] at sun.security.ssl.SSLSocketImpl.readRecord(SSLSocketImpl.java:1127) ~[na:1.8.0_192] at sun.security.ssl.SSLSocketImpl.performInitialHandshake(SSLSocketImpl.java:1367) ~[na:1.8.0_192] at sun.security.ssl.SSLSocketImpl.startHandshake(SSLSocketImpl.java:1395) ~[na:1.8.0_192] at sun.security.ssl.SSLSocketImpl.startHandshake(SSLSocketImpl.java:1379) ~[na:1.8.0_192] at org.apache.http.conn.ssl.SSLConnectionSocketFactory.createLayeredSocket(SSLConnectionSocketFactory.java:396) ~[httpclient-4.5.3.jar:4.5.3] at org.apache.http.conn.ssl.SSLConnectionSocketFactory.connectSocket(SSLConnectionSocketFactory.java:355) ~[httpclient-4.5.3.jar:4.5.3] at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142) ~[httpclient-4.5.3.jar:4.5.3] at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:359) ~[httpclient-4.5.3.jar:4.5.3] at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:381) ~[httpclient-4.5.3.jar:4.5.3] at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:237) ~[httpclient-4.5.3.jar:4.5.3] at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:185) ~[httpclient-4.5.3.jar:4.5.3] at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89) ~[httpclient-4.5.3.jar:4.5.3] at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:111) ~[httpclient-4.5.3.jar:4.5.3] at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185) ~[httpclient-4.5.3.jar:4.5.3] at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:83) ~[httpclient-4.5.3.jar:4.5.3] at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:56) ~[httpclient-4.5.3.jar:4.5.3] at org.springframework.http.client.HttpComponentsClientHttpRequest.executeInternal(HttpComponentsClientHttpRequest.java:89) ~[spring-web-4.3.8.RELEASE.jar:4.3.8.RELEASE] at org.springframework.http.client.AbstractBufferingClientHttpRequest.executeInternal(AbstractBufferingClientHttpRequest.java:48) ~[spring-web-4.3.8.RELEASE.jar:4.3.8.RELEASE] at org.springframework.http.client.AbstractClientHttpRequest.execute(AbstractClientHttpRequest.java:53) ~[spring-web-4.3.8.RELEASE.jar:4.3.8.RELEASE] at org.springframework.http.client.InterceptingClientHttpRequest$InterceptingRequestExecution.execute(InterceptingClientHttpRequest.java:99) ~[spring-web-4.3.8.RELEASE.jar:4.3.8.RELEASE] at org.springframework.cloud.netflix.metrics.MetricsClientHttpRequestInterceptor.intercept(MetricsClientHttpRequestInterceptor.java:64) ~[spring-cloud-netflix-core-1.3.6.RELEASE.jar:1.3.6.RELEASE] at org.springframework.http.client.InterceptingClientHttpRequest$InterceptingRequestExecution.execute(InterceptingClientHttpRequest.java:86) ~[spring-web-4.3.8.RELEASE.jar:4.3.8.RELEASE] at org.springframework.http.client.InterceptingClientHttpRequest.executeInternal(InterceptingClientHttpRequest.java:70) ~[spring-web-4.3.8.RELEASE.jar:4.3.8.RELEASE] at org.springframework.http.client.AbstractBufferingClientHttpRequest.executeInternal(AbstractBufferingClientHttpRequest.java:48) ~[spring-web-4.3.8.RELEASE.jar:4.3.8.RELEASE] at org.springframework.http.client.AbstractClientHttpRequest.execute(AbstractClientHttpRequest.java:53) ~[spring-web-4.3.8.RELEASE.jar:4.3.8.RELEASE] at org.springframework.web.client.RestTemplate.doExecute(RestTemplate.java:652) ~[spring-web-4.3.8.RELEASE.jar:4.3.8.RELEASE] ... 110 common frames omitted ```

JAVA POST登录异常问题？

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import org.apache.commons.httpclient.methods.PostMethod; /** * * @ClassName: HttpLogin * @Description: java通过httpclient获取cookie模拟登录 * @author zeze * @date 2015年11月10日 下午4:18:08 * */ public class HttpLogin { public static void main(String[] args) { // 登陆 Url String loginUrl = "http://10.154.13.82:7011/NMMP/jsp/login.jsp"; // 需登陆后访问的 Url String dataUrl = "http://10.154.13.82:7011/NMMP/wyMainAction!init.ilf"; //http://10.154.13.82:7011/NMMP//jsp/wyService/mytasklist.jsp HttpClient httpClient = new HttpClient(); // 模拟登陆，按实际服务器端要求选用 Post 或 Get 请求方式 PostMethod postMethod = new PostMethod(loginUrl); // 设置登陆时要求的信息，用户名和密码 NameValuePair[] data = { new NameValuePair("useraccount", ""), new NameValuePair("password", "Hn_yd45") }; postMethod.setRequestBody(data); try { // 设置 HttpClient 接收 Cookie,用与浏览器一样的策略 httpClient.getParams().setCookiePolicy(CookiePolicy.BROWSER_COMPATIBILITY); int statusCode=httpClient.executeMethod(postMethod); // 获得登陆后的 Cookie Cookie[] cookies = httpClient.getState().getCookies(); StringBuffer tmpcookies = new StringBuffer(); for (Cookie c : cookies) { tmpcookies.append(c.toString() + ";"); System.out.println("cookies = "+c.toString()); } System.out.println(statusCode); if(statusCode==200){//重定向到新的URL System.out.println("模拟登录成功"); // 进行登陆后的操作 GetMethod getMethod = new GetMethod(dataUrl); // 每次访问需授权的网址时需带上前面的 cookie 作为通行证 // getMethod.setRequestHeader("cookie", tmpcookies.toString()); // 你还可以通过 PostMethod/GetMethod 设置更多的请求后数据 // 例如，referer 从哪里来的，UA 像搜索引擎都会表名自己是谁，无良搜索引擎除外 // postMethod.setRequestHeader("Referer", "http://passport.mop.com/"); getMethod.setRequestHeader("Accept","text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8"); getMethod.setRequestHeader("Referer","http://10.154.13.82:7011/NMMP/login.ilf"); getMethod.setRequestHeader("Accept-Encoding","gzip, deflate"); getMethod.setRequestHeader("Accept-Language","zh-CN,zh;q=0.9"); getMethod.setRequestHeader("User-Agent", "Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/63.0.3239.132 Safari/537.36" ); httpClient.executeMethod(getMethod); statusCode=httpClient.executeMethod(getMethod); System.out.println("模拟登录成功"+statusCode); // 打印出返回数据，检验一下是否成功 // String text = getMethod.getResponseBodyAsString(); InputStream inputStream = getMethod.getResponseBodyAsStream(); BufferedReader br = new BufferedReader(new InputStreamReader(inputStream)); StringBuffer stringBuffer = new StringBuffer(); String str= ""; while((str = br.readLine()) != null){ stringBuffer .append(str ); } System.out.println("ResponseBody:\n" + stringBuffer.toString()); HttpRequestProxy hrp = new HttpRequestProxy(); Map date = new HashMap(); date.put("jyidApplet", "1"); date.put("codeNumApplet", "1"); date.put("jymxIdApplet", "447"); date.put("patientIdApplet", "1118"); String str1 = hrp.doRequest(dataUrl,date, null, null); System.out.println("sd"+str1); } else { System.out.println("登录失败"); } } catch (Exception e) { e.printStackTrace(); } } } ``` 登录网页源码如下： ``` <html><head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> <title>综合管理系统</title> <meta http-equiv="pragma" content="no-cache"> <meta http-equiv="cache-control" content="no-cache"> <meta http-equiv="expires" content="0"> <style type="text/css"> *{ margin:auto; } html,body{ overflow:hidden; width:100%; height:100%; margin:auto; } body{ background:url(/NMMP/common-skins/maintain/images/login_bg_1.0.gif); } #login_panel{ background-image:url(/NMMP/common-skins/maintain/images/login_panel_bg_1.0.png); background-repeat:repeat-x; height:640px; width:100%; text-align:center; position:relative; } #login_input{ background-image:url(/NMMP/common-skins/maintain/images/login_input_1.0.png); background-repeat:no-repeat; width:668px; height:403px; position:relative; } #useraccount{ border:none; position:absolute; left:392px; top:149px; height:24px; width:136px; background-color:#99deff; } #password{ border:none; position:absolute; left:392px; top:183px; height:24px; width:136px; background-color:#99deff; } #login_botton{ position:absolute; left:537px; _left:538px; top:147px; } #message{ position:absolute; left:348px; top:218px; color:#F00; font-size:14px; font-weight:bold; } #technical{ position:absolute; left:375px; top:258px; text-align:left; color:#CCC; font-size:12px; line-height:30px; } #copyright{ position:absolute; bottom:65px; right:0px; color:#CCC; font-size:12px; text-align:right; line-height:20px; } </style> <!--[if IE 6]> <script language="javascript" type="text/javascript" src="/NMMP/common-skins/default/jslib/DD_belatedPNG.js"> </script> <script language="javascript" type="text/javascript"> DD_belatedPNG.fix('#login_panel'); DD_belatedPNG.fix('#login_input'); </script> <![endif]--> </head> <body windowc_onresizez="true"> <div id="login_panel"> <div id="login_input" style="top: 110.5px;"> <form name="form1" action="/NMMP/CtrlUser.action?action=login&amp;surl=jsp/home/main.jsp&amp;furl=jsp/login.jsp" method="post" 360chrome_form_autofill="2"> <input name="useraccount" id="useraccount" style="background-color: rgb(250, 255, 189);" required="true" type="text"> <input name="password" id="password" style="background-color: rgb(250, 255, 189);" required="true" type="password"> <input id="login_botton" type="image" src="/NMMP/common-skins/maintain/images/login_botton.png"> <div id="message"> </div> <!-- div id="technical"><a style="color:orange" href="javascript:void(0)" onclick="resetpwd();">密码重置</a></div--> <div id="copyright">版权所有：</div> </form> </div> </div> <script language="javascript" type="text/javascript"> document.getElementById("login_input").style.top=(document.body.clientHeight-403)/2+"px"; function resetpwd(){ var url = "/NMMP/resetpwdAction.ilf"; window.location.href=url; } </script> </body></html> ```

请大佬们看看我上传图片到本地项目然后数据库保存路劲为null是那部分出错了？

接收图片的jsp前端页面 ``` <form method="post" action="PicUpServlet" enctype="multipart/form-data"> <fieldset class="layui-elem-field layui-field-title" style="margin-top: 30px;"> <legend>添加文章</legend> </fieldset> <div class="layui-form-item layui-form-text" > <div class="layui-input-block" style="margin-left: 0px;"> <textarea placeholder="请输入内容" class="layui-textarea"></textarea> </div> </div> <!-- <input type="text" name="content" /><br/> --> <fieldset class="layui-elem-field layui-field-title" style="margin-top: 30px;" > <legend>添加图片</legend> </fieldset> <div style="margin-left: 8px;"> <input type="file" name="uploadFile"/> </div> <br/><br/> <div style="margin-left: 8px;"> <input type="submit" value="上传" /> </div> </form> ``` 文件保存 ``` package com.gugu.servlet; import java.io.File; import java.io.IOException; import java.util.Map; import javax.servlet.ServletException; import javax.servlet.http.HttpServlet; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import com.gugu.dao.WisUploadDao; import com.gugu.pojo.GgNote; import com.gugu.util.Upload; public class PicUpServlet extends HttpServlet { private static final long serialVersionUID = 1L; private static final String UPLOAD_DIRECTORY = "C:\\MyBlog-master\\WebContent\\images"; public PicUpServlet() { super(); } protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { response.getWriter().append("Served at: ").append(request.getContextPath()); } protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { request.setCharacterEncoding("UTF-8"); String path = UPLOAD_DIRECTORY+"//images//"+File.separator ; Map<String, String> map = Upload.upload(request, 1024 * 1024 * 10, path); String newFileName ="images"+File.separator+ map.get("newFileName"); GgNote note = new GgNote(); note.setNoteContent(map.get("content")); note.setNotePhoto(newFileName); System.out.println(newFileName); System.out.println(map.get("content")); WisUploadDao add = new WisUploadDao(); add.addwis(note); response.sendRedirect("page/whisper/manage.jsp"); } } ``` 判断文字还是图片 ``` package com.gugu.util; import java.io.File; import java.io.IOException; import java.util.Date; import java.util.HashMap; import java.util.Map; import javax.servlet.http.HttpServletRequest; import com.oreilly.servlet.multipart.FilePart; import com.oreilly.servlet.multipart.MultipartParser; import com.oreilly.servlet.multipart.ParamPart; import com.oreilly.servlet.multipart.Part; public class Upload { public static Map<String, String> upload(HttpServletRequest request,int maxSize, String path) { //以map形式保存数据 key对应保存的是获取界面上的name名称 value保存的是获取界面上的name对应的值 Map<String, String> map = new HashMap<String, String>(); Part part = null; try { MultipartParser mrequest = new MultipartParser(request, maxSize); mrequest.setEncoding("utf-8"); //遍历所有的part组 while ((part = mrequest.readNextPart()) != null) { if (part.isFile()) { //判断是否是文件 FilePart filepart = (FilePart) part;//转化成文件组 String fileName = filepart.getFileName();//得到文件名 if (fileName != null && fileName.length() > 0) { // 取得扩展名 String fileExtName = fileName.substring( fileName.lastIndexOf(".") + 1).toLowerCase(); // 只上传图片 //判断图片上传的格式是否符合 后缀名是否有效 if (fileExtName.equalsIgnoreCase("jpeg") || fileExtName.equalsIgnoreCase("png") || fileExtName.equalsIgnoreCase("jpg") || fileExtName.equalsIgnoreCase("gif") || fileExtName.equalsIgnoreCase("ico") || fileExtName.equalsIgnoreCase("bmp") || fileExtName.equalsIgnoreCase("flv") || fileExtName.equalsIgnoreCase("mp4") || fileExtName.equalsIgnoreCase("mp3")) { /*String newFileName = new Date().getTime() + "."+ fileExtName;//重新改文件名 文件名+扩展名 */ String newFileName =new Date().getTime() +fileName;//不改图片名字 String newPath = path + "/" + newFileName; //文件处理文件上传的路径 File newFile = new File(newPath); filepart.writeTo(newFile); //将文件真正写入到对应的文件夹中 //filepart.getName() 得到 request 要接收的参数的名字 map.put("newFileName", newFileName); map.put(filepart.getName(), newFileName);//把文件信息保存到map中 map.put("newFile", newFile.toString()); } else { map.put("geshi", "geshi"); continue; }// 说明上传的不是图片 } else { map.put("yes","yes"); continue; // 说明没有选择上传图片 } } else if (part.isParam()) { //判断是否是参数 ParamPart paramPart = (ParamPart) part; map.put(paramPart.getName(), paramPart.getStringValue()); } } } catch (IOException e) { e.printStackTrace(); } return map; } } ``` 上传到数据库的文字内容为null 图片保存路劲也为null请问是那部分出错了 控制台报错 ``` java.io.FileNotFoundException: C:\Users\12874\Desktop\毕业设计\MyBlog-master\WebContent\images\images\1572883296157tony_tony_chopper-006.jpg (系统找不到指定的路径。) at java.io.FileOutputStream.open0(Native Method) at java.io.FileOutputStream.open(Unknown Source) at java.io.FileOutputStream.<init>(Unknown Source) at java.io.FileOutputStream.<init>(Unknown Source) at com.oreilly.servlet.multipart.FilePart.writeTo(FilePart.java:166) at com.gugu.util.Upload.upload(Upload.java:50) at com.gugu.servlet.PicUpServlet.doPost(PicUpServlet.java:40) at javax.servlet.http.HttpServlet.service(HttpServlet.java:660) at javax.servlet.http.HttpServlet.service(HttpServlet.java:741) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:231) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:202) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96) at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:526) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:139) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:92) at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:678) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:74) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:343) at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:408) at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66) at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:861) at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1579) at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) at java.lang.Thread.run(Unknown Source) images\null null ```

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