spring aop切面问题,求助大神

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Spring Aop 能切入jar包中的某个类的某个方法吗

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Spring AOP使用遇到的问题

#问题描述:给业务层织入切面后,业务层方法返回控制层后,返回值为null #相关代码: ##controller: @RequestMapping("/queryExample") public Result queryExample(Long id) { Example example = exampleService.findObject(id); System.out.println("ExampleController***"+example); return new Result(example); } ##ExampleServiceImpl: @Override public Example findObject(Long id) { Example example = exampleMapper.selectOne(id); System.out.println("ExampleServiceImpl***"+example); return example; } ##ExampleAspect: /** * 切点方法 */ @Pointcut("execution(* com.seanzhang.sys.service.*.*(..))") public void pointCutDemo() {} /** * 环绕通知方法 * @param jp */ @Around("pointCutDemo()") public void aroundDemo(ProceedingJoinPoint jp) { try { System.out.println("beforeAroundDemo()"); jp.proceed(); System.out.println("afterReturningAroundDemo()"); System.out.println("afterAroundDemo()"); } catch (Throwable e) { System.out.println("afterThrowingAroundDemo()"); System.out.println("afterAroundDemo()"); e.printStackTrace(); } } #控制台 ##没加切面控制台输出: ExampleServiceImpl***Example [id=1, username=张三, password=123456] ExampleController***Example [id=1, username=张三, password=123456] ##加完切面控制台输出: beforeAroundDemo() ExampleServiceImpl***Example [id=1, username=张三, password=123456] afterReturningAroundDemo() afterAroundDemo() ExampleController***null #可以看到,加完切面之后,对象从业务层返回控制层的时候竟然神奇的丢了,不知道有没有大神遇到过类似的问题?怎么解决的?谢谢!

求大神帮忙 spring aop 方式事务不回滚怎么搞?

spring 版本 4.1.7 代码如下: 表: CREATE TABLE `users` ( `id` int(11) unsigned NOT NULL AUTO_INCREMENT, `nick_name` varchar(100) DEFAULT NULL, `password` varchar(100) DEFAULT NULL, PRIMARY KEY (`id`) ) ENGINE=InnoDB AUTO_INCREMENT=5 DEFAULT CHARSET=utf8; INSERT INTO `users` VALUES ('1', 'Jennifer', 'Alice'); INSERT INTO `users` VALUES ('2', '爱', '克斯莱'); java 文件: 1) package com.maxwell.spring.jdbc.tx; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.stereotype.Service; import com.maxwell.spring.jdbc.vo.User; @Service public class UserAopService { @Autowired private UserDao dao; public UserAopService() {} /** * 此处的@Transactional注解把这个方法中的所有数据库操作当作事务进行处理 */ public void testTransactionManager() { String nn = dao.addUser(new User().setNickName("Jensen").setPassword("jensen")); int i = dao.getIdByNickName(nn); System.out.println(i); dao.setNickNameById(i, "Nimei"); } } 2) package com.maxwell.spring.jdbc.tx; import java.util.HashMap; import java.util.List; import java.util.Map; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.beans.factory.annotation.Qualifier; import org.springframework.jdbc.core.BeanPropertyRowMapper; import org.springframework.jdbc.core.RowMapper; import org.springframework.jdbc.core.namedparam.BeanPropertySqlParameterSource; import org.springframework.jdbc.core.namedparam.NamedParameterJdbcTemplate; import org.springframework.jdbc.core.namedparam.SqlParameterSource; import org.springframework.stereotype.Repository; import com.maxwell.spring.jdbc.vo.User; /** * 用于测试事务 * @author Techwork * */ @Repository public class UserDao { @Autowired @Qualifier("npJdbcTpl") private NamedParameterJdbcTemplate jdbcTpl; public String addUser(User user) { String sql = "INSERT INTO users (nick_name, password) VALUES (:nickName, :password)"; SqlParameterSource paramSource = new BeanPropertySqlParameterSource(user); jdbcTpl.update(sql, paramSource); return user.getNickName(); } public int getIdByNickName(String nickName) { String sql = "select id, nick_name, password from users where nick_name = :xxx"; Map<String, Object> paramMap = new HashMap<>(); paramMap.put("xxx", nickName); RowMapper<User> rowMapper = new BeanPropertyRowMapper<>(User.class); List<User> users = jdbcTpl.query(sql, paramMap, rowMapper); if(users == null || users.size() < 1) { throw new RuntimeException("无此用户:" + nickName); } return users.get(0).getId(); } public void setNickNameById(int id, String nickName) { if(nickName.length() < 10) throw new RuntimeException("性别错误"); String sql = "update users set nick_name = :n where id = :i"; Map<String, Object> paramMap = new HashMap<>(); paramMap.put("n", nickName); paramMap.put("i", id); jdbcTpl.update(sql, paramMap); } } 3) package com.maxwell.spring.jdbc.tx; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.stereotype.Service; import org.springframework.transaction.annotation.Isolation; import org.springframework.transaction.annotation.Transactional; import com.maxwell.spring.jdbc.vo.User; @Service public class UserService { @Autowired private UserDao dao; public UserService() {} /** * 此处的@Transactional注解把这个方法中的所有数据库操作当作事务进行处理 */ @Transactional public void testTransactionManager() { String nn = dao.addUser(new User().setNickName("Jensen").setPassword("jensen")); int i = dao.getIdByNickName(nn); System.out.println(i); dao.setNickNameById(i, "Nimei"); } /** * propagation: 指定事务的传播行为 * isolation: 指定事务的隔离级别 * noRollbackFor: 指定对哪些异常不回滚。通常取默认值。 * rollbackFor: 指定对哪些异常回滚。通常取默认值。 * readOnly: 只读事务。如果事务只读取数据,而不写数据的话,设置为true,有助于数据库引擎优化事务。 * timeout: 指定强制回滚事务(就算可能成功)之前,事务可以存在的时间,以防止事务占用数据库连接时间过长。 */ @Transactional(isolation = Isolation.READ_COMMITTED, noRollbackFor = { Exception.class }, rollbackFor = { RuntimeException.class }, readOnly = true, timeout = 3) public void testTransactionManager2() { String nn = dao.addUser(new User().setNickName("Jensen").setPassword("jensen")); int i = dao.getIdByNickName(nn); dao.setNickNameById(i, "哈哈"); } } 4) package com.maxwell.spring.jdbc; import org.junit.Test; import org.springframework.context.ApplicationContext; import org.springframework.context.support.ClassPathXmlApplicationContext; import com.maxwell.spring.jdbc.tx.UserAopService; /** * 测试AOP事务 * * @author Angrynut * */ public class AOPTransactionTest { private ApplicationContext ctx = null; private UserAopService service = null; { ctx = new ClassPathXmlApplicationContext("aoptx.xml"); service = ctx.getBean("userAopService", UserAopService.class); } /** * 1.测试AOP事务。 */ @Test public void testTransactionManager() { service.testTransactionManager(); } } spring 配置文件: <?xml version="1.0" encoding="UTF-8"?> <beans xmlns="http://www.springframework.org/schema/beans" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:util="http://www.springframework.org/schema/util" xmlns:tx="http://www.springframework.org/schema/tx" xmlns:context="http://www.springframework.org/schema/context" xmlns:aop="http://www.springframework.org/schema/aop" xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.1.xsd http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-4.1.xsd http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-4.1.xsd http://www.springframework.org/schema/util http://www.springframework.org/schema/util/spring-util-4.1.xsd"> <context:component-scan base-package="com.maxwell.spring.jdbc"/> <!-- 数据源配置文件 --> <util:properties id="db" location="classpath:db.properties"/> <!-- 配置C3p0数据源 --> <bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource"> <property name="user" value="#{db['jdbc.user']}"/> <property name="password" value="#{db['jdbc.password']}"/> <property name="driverClass" value="#{db['jdbc.driverClass']}"/> <property name="jdbcUrl" value="#{db['jdbc.jdbcUrl']}"/> <property name="initialPoolSize" value="#{db['jdbc.initPoolSize']}"/> <property name="maxPoolSize" value="#{db['jdbc.maxPoolSize']}"/> </bean> <bean id="npJdbcTpl" class="org.springframework.jdbc.core.namedparam.NamedParameterJdbcTemplate"> <constructor-arg ref="dataSource"/> </bean> <!-- 配置事务管理器 --> <bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager"> <property name="dataSource" ref="dataSource"/> </bean> <tx:advice id="txAdvice" transaction-manager="transactionManager"> <tx:attributes> <tx:method name="*" propagation="REQUIRED"/> </tx:attributes> </tx:advice> <aop:config> <aop:pointcut expression="execution(* com.maxwell.spring.jdbc.tx.UserService.*(..))" id="pc"/> <aop:advisor advice-ref="txAdvice" pointcut-ref="pc"/> </aop:config> </beans>

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``` @Before("execution(* xxx.controller..*(..)") public void logController2(){ System.out.println("控制层注入"); } @Before("within(xxx.service..*)") public void logService(){ System.out.println("业务层注入"); } ``` 不知道为什么后一个within在容器启动时就会调用10次左右,![图片说明](https://img-ask.csdn.net/upload/201807/07/1530974872_839802.png), 然后调用一次service请求也会调用它好多次,正常对我这个程序而言应该只有两次才对,而上一个execution则是正常的,如果我不使用注解使用xml配置那么within则可以正常使用,真是郁闷,我新手,搞不懂为什么.!![图片说明](https://img-ask.csdn.net/upload/201807/07/1530974914_642651.png)请大神帮忙看一下 //补充一下,我的问题是为什么使用within(..*)以后会出现调用切面很多次的原因,不是问使用的格式!然后新发现使用@Around环绕使用within指定service直接所有service接口报错-说什么关于接口“xxx”的静态初始化不支持编译器限制的错误.

spring Aop中的表达式:@args() 导致启动报错

## 1.描述 spring Aop中的表达式:@args() 导致启动报错 ## 2.自定义注解类 ``` @Target({ElementType.PARAMETER}) @Retention(RetentionPolicy.RUNTIME) @Documented public @interface PropNotNull { String[] propNames() default {}; } ``` 3.切面类 ``` @Component @Aspect public class ParameterVerify { @Autowired private ObjUtil objUtil; @Around(value = "@args(com.example.obj.obj_manager.parameter_verify.prop_not_null.PropNotNull)") public Object before(ProceedingJoinPoint pjp) throws Throwable { System.out.println(1111); Object ret = pjp.proceed(); return ret; } } ``` 4.报错 ``` java.lang.NullPointerException: null at org.springframework.web.filter.GenericFilterBean.init(GenericFilterBean.java:240) ~[spring-web-5.1.5.RELEASE.jar:5.1.5.RELEASE] at org.apache.catalina.core.ApplicationFilterConfig.initFilter(ApplicationFilterConfig.java:270) ~[tomcat-embed-core-9.0.16.jar:9.0.16] at org.apache.catalina.core.ApplicationFilterConfig.<init>(ApplicationFilterConfig.java:106) ~[tomcat-embed-core-9.0.16.jar:9.0.16] at org.apache.catalina.core.StandardContext.filterStart(StandardContext.java:4516) [tomcat-embed-core-9.0.16.jar:9.0.16] at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5162) [tomcat-embed-core-9.0.16.jar:9.0.16] at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183) [tomcat-embed-core-9.0.16.jar:9.0.16] at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1377) [tomcat-embed-core-9.0.16.jar:9.0.16] at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1367) [tomcat-embed-core-9.0.16.jar:9.0.16] at java.util.concurrent.FutureTask.run(FutureTask.java:266) [na:1.8.0_172] at org.apache.tomcat.util.threads.InlineExecutorService.execute(InlineExecutorService.java:75) [tomcat-embed-core-9.0.16.jar:9.0.16] at java.util.concurrent.AbstractExecutorService.submit(AbstractExecutorService.java:134) [na:1.8.0_172] at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:902) [tomcat-embed-core-9.0.16.jar:9.0.16] at org.apache.catalina.core.StandardHost.startInternal(StandardHost.java:831) [tomcat-embed-core-9.0.16.jar:9.0.16] at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183) [tomcat-embed-core-9.0.16.jar:9.0.16] at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1377) [tomcat-embed-core-9.0.16.jar:9.0.16] at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1367) [tomcat-embed-core-9.0.16.jar:9.0.16] at java.util.concurrent.FutureTask.run(FutureTask.java:266) [na:1.8.0_172] at org.apache.tomcat.util.threads.InlineExecutorService.execute(InlineExecutorService.java:75) [tomcat-embed-core-9.0.16.jar:9.0.16] at java.util.concurrent.AbstractExecutorService.submit(AbstractExecutorService.java:134) [na:1.8.0_172] at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:902) [tomcat-embed-core-9.0.16.jar:9.0.16] at org.apache.catalina.core.StandardEngine.startInternal(StandardEngine.java:262) [tomcat-embed-core-9.0.16.jar:9.0.16] at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183) [tomcat-embed-core-9.0.16.jar:9.0.16] at org.apache.catalina.core.StandardService.startInternal(StandardService.java:423) [tomcat-embed-core-9.0.16.jar:9.0.16] at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183) [tomcat-embed-core-9.0.16.jar:9.0.16] at org.apache.catalina.core.StandardServer.startInternal(StandardServer.java:928) [tomcat-embed-core-9.0.16.jar:9.0.16] at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183) [tomcat-embed-core-9.0.16.jar:9.0.16] at org.apache.catalina.startup.Tomcat.start(Tomcat.java:455) [tomcat-embed-core-9.0.16.jar:9.0.16] at org.springframework.boot.web.embedded.tomcat.TomcatWebServer.initialize(TomcatWebServer.java:106) [spring-boot-2.1.3.RELEASE.jar:2.1.3.RELEASE] at org.springframework.boot.web.embedded.tomcat.TomcatWebServer.<init>(TomcatWebServer.java:86) [spring-boot-2.1.3.RELEASE.jar:2.1.3.RELEASE] at org.springframework.boot.web.embedded.tomcat.TomcatServletWebServerFactory.getTomcatWebServer(TomcatServletWebServerFactory.java:415) [spring-boot-2.1.3.RELEASE.jar:2.1.3.RELEASE] at org.springframework.boot.web.embedded.tomcat.TomcatServletWebServerFactory.getWebServer(TomcatServletWebServerFactory.java:174) [spring-boot-2.1.3.RELEASE.jar:2.1.3.RELEASE] at org.springframework.boot.web.embedded.tomcat.TomcatServletWebServerFactory$$FastClassBySpringCGLIB$$9c83fa9f.invoke(<generated>) [spring-boot-2.1.3.RELEASE.jar:2.1.3.RELEASE] at org.springframework.cglib.proxy.MethodProxy.invoke(MethodProxy.java:218) [spring-core-5.1.5.RELEASE.jar:5.1.5.RELEASE] at org.springframework.aop.framework.CglibAopProxy$CglibMethodInvocation.invokeJoinpoint(CglibAopProxy.java:749) [spring-aop-5.1.5.RELEASE.jar:5.1.5.RELEASE] at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:163) [spring-aop-5.1.5.RELEASE.jar:5.1.5.RELEASE] at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:180) [spring-aop-5.1.5.RELEASE.jar:5.1.5.RELEASE] at org.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:93) [spring-aop-5.1.5.RELEASE.jar:5.1.5.RELEASE] at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:186) [spring-aop-5.1.5.RELEASE.jar:5.1.5.RELEASE] at org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:688) [spring-aop-5.1.5.RELEASE.jar:5.1.5.RELEASE] at org.springframework.boot.web.embedded.tomcat.TomcatServletWebServerFactory$$EnhancerBySpringCGLIB$$8c19e9d5.getWebServer(<generated>) [spring-boot-2.1.3.RELEASE.jar:2.1.3.RELEASE] at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.createWebServer(ServletWebServerApplicationContext.java:181) [spring-boot-2.1.3.RELEASE.jar:2.1.3.RELEASE] at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.onRefresh(ServletWebServerApplicationContext.java:154) [spring-boot-2.1.3.RELEASE.jar:2.1.3.RELEASE] at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:543) [spring-context-5.1.5.RELEASE.jar:5.1.5.RELEASE] at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh(ServletWebServerApplicationContext.java:142) [spring-boot-2.1.3.RELEASE.jar:2.1.3.RELEASE] at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:775) [spring-boot-2.1.3.RELEASE.jar:2.1.3.RELEASE] at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:397) [spring-boot-2.1.3.RELEASE.jar:2.1.3.RELEASE] at org.springframework.boot.SpringApplication.run(SpringApplication.java:316) [spring-boot-2.1.3.RELEASE.jar:2.1.3.RELEASE] at org.springframework.boot.SpringApplication.run(SpringApplication.java:1260) [spring-boot-2.1.3.RELEASE.jar:2.1.3.RELEASE] at org.springframework.boot.SpringApplication.run(SpringApplication.java:1248) [spring-boot-2.1.3.RELEASE.jar:2.1.3.RELEASE] at com.example.obj.ObjApplication.main(ObjApplication.java:17) [classes/:na] 2019-04-23 23:29:05.668 ERROR 12036 --- [ main] o.a.c.c.C.[Tomcat].[localhost].[/] : Exception starting filter [hiddenHttpMethodFilter] java.lang.NullPointerException: null at org.springframework.web.filter.GenericFilterBean.init(GenericFilterBean.java:240) ~[spring-web-5.1.5.RELEASE.jar:5.1.5.RELEASE] at org.apache.catalina.core.ApplicationFilterConfig.initFilter(ApplicationFilterConfig.java:270) ~[tomcat-embed-core-9.0.16.jar:9.0.16] at org.apache.catalina.core.ApplicationFilterConfig.<init>(ApplicationFilterConfig.java:106) ~[tomcat-embed-core-9.0.16.jar:9.0.16] at org.apache.catalina.core.StandardContext.filterStart(StandardContext.java:4516) [tomcat-embed-core-9.0.16.jar:9.0.16] at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5162) [tomcat-embed-core-9.0.16.jar:9.0.16] at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183) [tomcat-embed-core-9.0.16.jar:9.0.16] at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1377) [tomcat-embed-core-9.0.16.jar:9.0.16] at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1367) [tomcat-embed-core-9.0.16.jar:9.0.16] at java.util.concurrent.FutureTask.run(FutureTask.java:266) [na:1.8.0_172] at org.apache.tomcat.util.threads.InlineExecutorService.execute(InlineExecutorService.java:75) [tomcat-embed-core-9.0.16.jar:9.0.16] at java.util.concurrent.AbstractExecutorService.submit(AbstractExecutorService.java:134) [na:1.8.0_172] at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:902) [tomcat-embed-core-9.0.16.jar:9.0.16] at org.apache.catalina.core.StandardHost.startInternal(StandardHost.java:831) [tomcat-embed-core-9.0.16.jar:9.0.16] at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183) [tomcat-embed-core-9.0.16.jar:9.0.16] at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1377) [tomcat-embed-core-9.0.16.jar:9.0.16] at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1367) [tomcat-embed-core-9.0.16.jar:9.0.16] at java.util.concurrent.FutureTask.run(FutureTask.java:266) [na:1.8.0_172] at org.apache.tomcat.util.threads.InlineExecutorService.execute(InlineExecutorService.java:75) [tomcat-embed-core-9.0.16.jar:9.0.16] at java.util.concurrent.AbstractExecutorService.submit(AbstractExecutorService.java:134) [na:1.8.0_172] at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:902) [tomcat-embed-core-9.0.16.jar:9.0.16] at org.apache.catalina.core.StandardEngine.startInternal(StandardEngine.java:262) [tomcat-embed-core-9.0.16.jar:9.0.16] at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183) [tomcat-embed-core-9.0.16.jar:9.0.16] at org.apache.catalina.core.StandardService.startInternal(StandardService.java:423) [tomcat-embed-core-9.0.16.jar:9.0.16] at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183) [tomcat-embed-core-9.0.16.jar:9.0.16] at org.apache.catalina.core.StandardServer.startInternal(StandardServer.java:928) [tomcat-embed-core-9.0.16.jar:9.0.16] at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183) [tomcat-embed-core-9.0.16.jar:9.0.16] at org.apache.catalina.startup.Tomcat.start(Tomcat.java:455) [tomcat-embed-core-9.0.16.jar:9.0.16] at org.springframework.boot.web.embedded.tomcat.TomcatWebServer.initialize(TomcatWebServer.java:106) [spring-boot-2.1.3.RELEASE.jar:2.1.3.RELEASE] at org.springframework.boot.web.embedded.tomcat.TomcatWebServer.<init>(TomcatWebServer.java:86) [spring-boot-2.1.3.RELEASE.jar:2.1.3.RELEASE] at org.springframework.boot.web.embedded.tomcat.TomcatServletWebServerFactory.getTomcatWebServer(TomcatServletWebServerFactory.java:415) [spring-boot-2.1.3.RELEASE.jar:2.1.3.RELEASE] at org.springframework.boot.web.embedded.tomcat.TomcatServletWebServerFactory.getWebServer(TomcatServletWebServerFactory.java:174) [spring-boot-2.1.3.RELEASE.jar:2.1.3.RELEASE] at org.springframework.boot.web.embedded.tomcat.TomcatServletWebServerFactory$$FastClassBySpringCGLIB$$9c83fa9f.invoke(<generated>) [spring-boot-2.1.3.RELEASE.jar:2.1.3.RELEASE] at org.springframework.cglib.proxy.MethodProxy.invoke(MethodProxy.java:218) [spring-core-5.1.5.RELEASE.jar:5.1.5.RELEASE] at org.springframework.aop.framework.CglibAopProxy$CglibMethodInvocation.invokeJoinpoint(CglibAopProxy.java:749) [spring-aop-5.1.5.RELEASE.jar:5.1.5.RELEASE] at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:163) [spring-aop-5.1.5.RELEASE.jar:5.1.5.RELEASE] at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:180) [spring-aop-5.1.5.RELEASE.jar:5.1.5.RELEASE] at org.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:93) [spring-aop-5.1.5.RELEASE.jar:5.1.5.RELEASE] at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:186) [spring-aop-5.1.5.RELEASE.jar:5.1.5.RELEASE] at org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:688) [spring-aop-5.1.5.RELEASE.jar:5.1.5.RELEASE] at org.springframework.boot.web.embedded.tomcat.TomcatServletWebServerFactory$$EnhancerBySpringCGLIB$$8c19e9d5.getWebServer(<generated>) [spring-boot-2.1.3.RELEASE.jar:2.1.3.RELEASE] at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.createWebServer(ServletWebServerApplicationContext.java:181) [spring-boot-2.1.3.RELEASE.jar:2.1.3.RELEASE] at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.onRefresh(ServletWebServerApplicationContext.java:154) [spring-boot-2.1.3.RELEASE.jar:2.1.3.RELEASE] at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:543) [spring-context-5.1.5.RELEASE.jar:5.1.5.RELEASE] at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh(ServletWebServerApplicationContext.java:142) [spring-boot-2.1.3.RELEASE.jar:2.1.3.RELEASE] at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:775) [spring-boot-2.1.3.RELEASE.jar:2.1.3.RELEASE] at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:397) [spring-boot-2.1.3.RELEASE.jar:2.1.3.RELEASE] at org.springframework.boot.SpringApplication.run(SpringApplication.java:316) [spring-boot-2.1.3.RELEASE.jar:2.1.3.RELEASE] at org.springframework.boot.SpringApplication.run(SpringApplication.java:1260) [spring-boot-2.1.3.RELEASE.jar:2.1.3.RELEASE] at org.springframework.boot.SpringApplication.run(SpringApplication.java:1248) [spring-boot-2.1.3.RELEASE.jar:2.1.3.RELEASE] at com.example.obj.ObjApplication.main(ObjApplication.java:17) [classes/:na] 2019-04-23 23:29:05.670 ERROR 12036 --- [ main] o.a.c.c.C.[Tomcat].[localhost].[/] : Exception starting filter [characterEncodingFilter] java.lang.NullPointerException: null at org.springframework.web.filter.GenericFilterBean.init(GenericFilterBean.java:240) ~[spring-web-5.1.5.RELEASE.jar:5.1.5.RELEASE] at org.apache.catalina.core.ApplicationFilterConfig.initFilter(ApplicationFilterConfig.java:270) ~[tomcat-embed-core-9.0.16.jar:9.0.16] at org.apache.catalina.core.ApplicationFilterConfig.<init>(ApplicationFilterConfig.java:106) ~[tomcat-embed-core-9.0.16.jar:9.0.16] at org.apache.catalina.core.StandardContext.filterStart(StandardContext.java:4516) [tomcat-embed-core-9.0.16.jar:9.0.16] at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5162) [tomcat-embed-core-9.0.16.jar:9.0.16] at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183) [tomcat-embed-core-9.0.16.jar:9.0.16] at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1377) [tomcat-embed-core-9.0.16.jar:9.0.16] at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1367) [tomcat-embed-core-9.0.16.jar:9.0.16] at java.util.concurrent.FutureTask.run(FutureTask.java:266) [na:1.8.0_172] at org.apache.tomcat.util.threads.InlineExecutorService.execute(InlineExecutorService.java:75) [tomcat-embed-core-9.0.16.jar:9.0.16] at java.util.concurrent.AbstractExecutorService.submit(AbstractExecutorService.java:134) [na:1.8.0_172] at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:902) [tomcat-embed-core-9.0.16.jar:9.0.16] at org.apache.catalina.core.StandardHost.startInternal(StandardHost.java:831) [tomcat-embed-core-9.0.16.jar:9.0.16] at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183) [tomcat-embed-core-9.0.16.jar:9.0.16] at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1377) [tomcat-embed-core-9.0.16.jar:9.0.16] at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1367) [tomcat-embed-core-9.0.16.jar:9.0.16] at java.util.concurrent.FutureTask.run(FutureTask.java:266) [na:1.8.0_172] at org.apache.tomcat.util.threads.InlineExecutorService.execute(InlineExecutorService.java:75) [tomcat-embed-core-9.0.16.jar:9.0.16] at java.util.concurrent.AbstractExecutorService.submit(AbstractExecutorService.java:134) [na:1.8.0_172] at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:902) [tomcat-embed-core-9.0.16.jar:9.0.16] at org.apache.catalina.core.StandardEngine.startInternal(StandardEngine.java:262) [tomcat-embed-core-9.0.16.jar:9.0.16] at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183) [tomcat-embed-core-9.0.16.jar:9.0.16] at org.apache.catalina.core.StandardService.startInternal(StandardService.java:423) [tomcat-embed-core-9.0.16.jar:9.0.16] at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183) [tomcat-embed-core-9.0.16.jar:9.0.16] at org.apache.catalina.core.StandardServer.startInternal(StandardServer.java:928) [tomcat-embed-core-9.0.16.jar:9.0.16] at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183) [tomcat-embed-core-9.0.16.jar:9.0.16] at org.apache.catalina.startup.Tomcat.start(Tomcat.java:455) [tomcat-embed-core-9.0.16.jar:9.0.16] at org.springframework.boot.web.embedded.tomcat.TomcatWebServer.initialize(TomcatWebServer.java:106) [spring-boot-2.1.3.RELEASE.jar:2.1.3.RELEASE] at org.springframework.boot.web.embedded.tomcat.TomcatWebServer.<init>(TomcatWebServer.java:86) [spring-boot-2.1.3.RELEASE.jar:2.1.3.RELEASE] at org.springframework.boot.web.embedded.tomcat.TomcatServletWebServerFactory.getTomcatWebServer(TomcatServletWebServerFactory.java:415) [spring-boot-2.1.3.RELEASE.jar:2.1.3.RELEASE] at org.springframework.boot.web.embedded.tomcat.TomcatServletWebServerFactory.getWebServer(TomcatServletWebServerFactory.java:174) [spring-boot-2.1.3.RELEASE.jar:2.1.3.RELEASE] at org.springframework.boot.web.embedded.tomcat.TomcatServletWebServerFactory$$FastClassBySpringCGLIB$$9c83fa9f.invoke(<generated>) [spring-boot-2.1.3.RELEASE.jar:2.1.3.RELEASE] at org.springframework.cglib.proxy.MethodProxy.invoke(MethodProxy.java:218) [spring-core-5.1.5.RELEASE.jar:5.1.5.RELEASE] at org.springframework.aop.framework.CglibAopProxy$CglibMethodInvocation.invokeJoinpoint(CglibAopProxy.java:749) [spring-aop-5.1.5.RELEASE.jar:5.1.5.RELEASE] at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:163) [spring-aop-5.1.5.RELEASE.jar:5.1.5.RELEASE] at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:180) [spring-aop-5.1.5.RELEASE.jar:5.1.5.RELEASE] at org.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:93) [spring-aop-5.1.5.RELEASE.jar:5.1.5.RELEASE] at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:186) [spring-aop-5.1.5.RELEASE.jar:5.1.5.RELEASE] at org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:688) [spring-aop-5.1.5.RELEASE.jar:5.1.5.RELEASE] at org.springframework.boot.web.embedded.tomcat.TomcatServletWebServerFactory$$EnhancerBySpringCGLIB$$8c19e9d5.getWebServer(<generated>) [spring-boot-2.1.3.RELEASE.jar:2.1.3.RELEASE] at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.createWebServer(ServletWebServerApplicationContext.java:181) [spring-boot-2.1.3.RELEASE.jar:2.1.3.RELEASE] at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.onRefresh(ServletWebServerApplicationContext.java:154) [spring-boot-2.1.3.RELEASE.jar:2.1.3.RELEASE] at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:543) [spring-context-5.1.5.RELEASE.jar:5.1.5.RELEASE] at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh(ServletWebServerApplicationContext.java:142) [spring-boot-2.1.3.RELEASE.jar:2.1.3.RELEASE] at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:775) [spring-boot-2.1.3.RELEASE.jar:2.1.3.RELEASE] at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:397) [spring-boot-2.1.3.RELEASE.jar:2.1.3.RELEASE] at org.springframework.boot.SpringApplication.run(SpringApplication.java:316) [spring-boot-2.1.3.RELEASE.jar:2.1.3.RELEASE] at org.springframework.boot.SpringApplication.run(SpringApplication.java:1260) [spring-boot-2.1.3.RELEASE.jar:2.1.3.RELEASE] at org.springframework.boot.SpringApplication.run(SpringApplication.java:1248) [spring-boot-2.1.3.RELEASE.jar:2.1.3.RELEASE] at com.example.obj.ObjApplication.main(ObjApplication.java:17) [classes/:na] 2019-04-23 23:29:05.671 ERROR 12036 --- [ main] o.a.c.c.C.[Tomcat].[localhost].[/] : Exception starting filter [formContentFilter] java.lang.NullPointerException: null at org.springframework.web.filter.GenericFilterBean.init(GenericFilterBean.java:240) ~[spring-web-5.1.5.RELEASE.jar:5.1.5.RELEASE] at org.apache.catalina.core.ApplicationFilterConfig.initFilter(ApplicationFilterConfig.java:270) ~[tomcat-embed-core-9.0.16.jar:9.0.16] at org.apache.catalina.core.ApplicationFilterConfig.<init>(ApplicationFilterConfig.java:106) ~[tomcat-embed-core-9.0.16.jar:9.0.16] at org.apache.catalina.core.StandardContext.filterStart(StandardContext.java:4516) [tomcat-embed-core-9.0.16.jar:9.0.16] at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5162) [tomcat-embed-core-9.0.16.jar:9.0.16] at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183) [tomcat-embed-core-9.0.16.jar:9.0.16] at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1377) [tomcat-embed-core-9.0.16.jar:9.0.16] at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1367) [tomcat-embed-core-9.0.16.jar:9.0.16] at java.util.concurrent.FutureTask.run(FutureTask.java:266) [na:1.8.0_172] at org.apache.tomcat.util.threads.InlineExecutorService.execute(InlineExecutorService.java:75) [tomcat-embed-core-9.0.16.jar:9.0.16] at java.util.concurrent.AbstractExecutorService.submit(AbstractExecutorService.java:134) [na:1.8.0_172] at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:902) [tomcat-embed-core-9.0.16.jar:9.0.16] at org.apache.catalina.core.StandardHost.startInternal(StandardHost.java:831) [tomcat-embed-core-9.0.16.jar:9.0.16] at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183) [tomcat-embed-core-9.0.16.jar:9.0.16] at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1377) [tomcat-embed-core-9.0.16.jar:9.0.16] at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1367) [tomcat-embed-core-9.0.16.jar:9.0.16] at java.util.concurrent.FutureTask.run(FutureTask.java:266) [na:1.8.0_172] at org.apache.tomcat.util.threads.InlineExecutorService.execute(InlineExecutorService.java:75) [tomcat-embed-core-9.0.16.jar:9.0.16] at java.util.concurrent.AbstractExecutorService.submit(AbstractExecutorService.java:134) [na:1.8.0_172] at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:902) [tomcat-embed-core-9.0.16.jar:9.0.16] at org.apache.catalina.core.StandardEngine.startInternal(StandardEngine.java:262) [tomcat-embed-core-9.0.16.jar:9.0.16] at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183) [tomcat-embed-core-9.0.16.jar:9.0.16] at org.apache.catalina.core.StandardService.startInternal(StandardService.java:423) [tomcat-embed-core-9.0.16.jar:9.0.16] at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183) [tomcat-embed-core-9.0.16.jar:9.0.16] at org.apache.catalina.core.StandardServer.startInternal(StandardServer.java:928) [tomcat-embed-core-9.0.16.jar:9.0.16] at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183) [tomcat-embed-core-9.0.16.jar:9.0.16] at org.apache.catalina.startup.Tomcat.start(Tomcat.java:455) [tomcat-embed-core-9.0.16.jar:9.0.16] at org.springframework.boot.web.embedded.tomcat.TomcatWebServer.initialize(TomcatWebServer.java:106) [spring-boot-2.1.3.RELEASE.jar:2.1.3.RELEASE] at org.springframework.boot.web.embedded.tomcat.TomcatWebServer.<init>(TomcatWebServer.java:86) [spring-boot-2.1.3.RELEASE.jar:2.1.3.RELEASE] at org.springframework.boot.web.embedded.tomcat.TomcatServletWebServerFactory.getTomcatWebServer(TomcatServletWebServerFactory.java:415) [spring-boot-2.1.3.RELEASE.jar:2.1.3.RELEASE] at org.springframework.boot.web.embedded.tomcat.TomcatServletWebServerFactory.getWebServer(TomcatServletWebServerFactory.java:174) [spring-boot-2.1.3.RELEASE.jar:2.1.3.RELEASE] at org.springframework.boot.web.embedded.tomcat.TomcatServletWebServerFactory$$FastClassBySpringCGLIB$$9c83fa9f.invoke(<generated>) [spring-boot-2.1.3.RELEASE.jar:2.1.3.RELEASE] at org.springframework.cglib.proxy.MethodProxy.invoke(MethodProxy.java:218) [spring-core-5.1.5.RELEASE.jar:5.1.5.RELEASE] at org.springframework.aop.framework.CglibAopProxy$CglibMethodInvocation.invokeJoinpoint(CglibAopProxy.java:749) [spring-aop-5.1.5.RELEASE.jar:5.1.5.RELEASE] at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:163) [spring-aop-5.1.5.RELEASE.jar:5.1.5.RELEASE] at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:180) [spring-aop-5.1.5.RELEASE.jar:5.1.5.RELEASE] at org.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:93) [spring-aop-5.1.5.RELEASE.jar:5.1.5.RELEASE] at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:186) [spring-aop-5.1.5.RELEASE.jar:5.1.5.RELEASE] at org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:688) [spring-aop-5.1.5.RELEASE.jar:5.1.5.RELEASE] at org.springframework.boot.web.embedded.tomcat.TomcatServletWebServerFactory$$EnhancerBySpringCGLIB$$8c19e9d5.getWebServer(<generated>) [spring-boot-2.1.3.RELEASE.jar:2.1.3.RELEASE] at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.createWebServer(ServletWebServerApplicationContext.java:181) [spring-boot-2.1.3.RELEASE.jar:2.1.3.RELEASE] at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.onRefresh(ServletWebServerApplicationContext.java:154) [spring-boot-2.1.3.RELEASE.jar:2.1.3.RELEASE] at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:543) [spring-context-5.1.5.RELEASE.jar:5.1.5.RELEASE] at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh(ServletWebServerApplicationContext.java:142) [spring-boot-2.1.3.RELEASE.jar:2.1.3.RELEASE] at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:775) [spring-boot-2.1.3.RELEASE.jar:2.1.3.RELEASE] at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:397) [spring-boot-2.1.3.RELEASE.jar:2.1.3.RELEASE] at org.springframework.boot.SpringApplication.run(SpringApplication.java:316) [spring-boot-2.1.3.RELEASE.jar:2.1.3.RELEASE] at org.springframework.boot.SpringApplication.run(SpringApplication.java:1260) [spring-boot-2.1.3.RELEASE.jar:2.1.3.RELEASE] at org.springframework.boot.SpringApplication.run(SpringApplication.java:1248) [spring-boot-2.1.3.RELEASE.jar:2.1.3.RELEASE] at com.example.obj.ObjApplication.main(ObjApplication.java:17) [classes/:na] 2019-04-23 23:29:05.672 ERROR 12036 --- [ main] o.apache.catalina.core.StandardContext : One or more Filters failed to start. Full details will be found in the appropriate container log file 2019-04-23 23:29:05.672 ERROR 12036 --- [ main] o.apache.catalina.core.StandardContext : Context [] startup failed due to previous errors 2019-04-23 23:29:05.756 INFO 12036 --- [ main] o.apache.catalina.core.StandardService : Stopping service [Tomcat] 2019-04-23 23:29:05.759 WARN 12036 --- [ main] ConfigServletWebServerApplicationContext : Exception encountered during context initialization - cancelling refresh attempt: org.springframework.context.ApplicationContextException: Unable to start web server; nested exception is org.springframework.boot.web.server.WebServerException: Unable to start embedded Tomcat 2019-04-23 23:29:05.764 INFO 12036 --- [ main] ConditionEvaluationReportLoggingListener : Error starting ApplicationContext. To display the conditions report re-run your application with 'debug' enabled. 2019-04-23 23:29:05.770 ERROR 12036 --- [ main] o.s.boot.SpringApplication : Application run failed org.springframework.context.ApplicationContextException: Unable to start web server; nested exception is org.springframework.boot.web.server.WebServerException: Unable to start embedded Tomcat at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.onRefresh(ServletWebServerApplicationContext.java:157) ~[spring-boot-2.1.3.RELEASE.jar:2.1.3.RELEASE] at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:543) ~[spring-context-5.1.5.RELEASE.jar:5.1.5.RELEASE] at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh(ServletWebServerApplicationContext.java:142) ~[spring-boot-2.1.3.RELEASE.jar:2.1.3.RELEASE] at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:775) [spring-boot-2.1.3.RELEASE.jar:2.1.3.RELEASE] at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:397) [spring-boot-2.1.3.RELEASE.jar:2.1.3.RELEASE] at org.springframework.boot.SpringApplication.run(SpringApplication.java:316) [spring-boot-2.1.3.RELEASE.jar:2.1.3.RELEASE] at org.springframework.boot.SpringApplication.run(SpringApplication.java:1260) [spring-boot-2.1.3.RELEASE.jar:2.1.3.RELEASE] at org.springframework.boot.SpringApplication.run(SpringApplication.java:1248) [spring-boot-2.1.3.RELEASE.jar:2.1.3.RELEASE] at com.example.obj.ObjApplication.main(ObjApplication.java:17) [classes/:na] Caused by: org.springframework.boot.web.server.WebServerException: Unable to start embedded Tomcat at org.springframework.boot.web.embedded.tomcat.TomcatWebServer.initialize(TomcatWebServer.java:125) ~[spring-boot-2.1.3.RELEASE.jar:2.1.3.RELEASE] at org.springframework.boot.web.embedded.tomcat.TomcatWebServer.<init>(TomcatWebServer.java:86) ~[spring-boot-2.1.3.RELEASE.jar:2.1.3.RELEASE] at org.springframework.boot.web.embedded.tomcat.TomcatServletWebServerFactory.getTomcatWebServer(TomcatServletWebServerFactory.java:415) ~[spring-boot-2.1.3.RELEASE.jar:2.1.3.RELEASE] at org.springframework.boot.web.embedded.tomcat.TomcatServletWebServerFactory.getWebServer(TomcatServletWebServerFactory.java:174) ~[spring-boot-2.1.3.RELEASE.jar:2.1.3.RELEASE] at org.springframework.boot.web.embedded.tomcat.TomcatServletWebServerFactory$$FastClassBySpringCGLIB$$9c83fa9f.invoke(<generated>) ~[spring-boot-2.1.3.RELEASE.jar:2.1.3.RELEASE] at org.springframework.cglib.proxy.MethodProxy.invoke(MethodProxy.java:218) ~[spring-core-5.1.5.RELEASE.jar:5.1.5.RELEASE] at org.springframework.aop.framework.CglibAopProxy$CglibMethodInvocation.invokeJoinpoint(CglibAopProxy.java:749) ~[spring-aop-5.1.5.RELEASE.jar:5.1.5.RELEASE] at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:163) ~[spring-aop-5.1.5.RELEASE.jar:5.1.5.RELEASE] at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:180) ~[spring-aop-5.1.5.RELEASE.jar:5.1.5.RELEASE] at org.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:93) ~[spring-aop-5.1.5.RELEASE.jar:5.1.5.RELEASE] at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:186) ~[spring-aop-5.1.5.RELEASE.jar:5.1.5.RELEASE] at org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:688) ~[spring-aop-5.1.5.RELEASE.jar:5.1.5.RELEASE] at org.springframework.boot.web.embedded.tomcat.TomcatServletWebServerFactory$$EnhancerBySpringCGLIB$$8c19e9d5.getWebServer(<generated>) ~[spring-boot-2.1.3.RELEASE.jar:2.1.3.RELEASE] at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.createWebServer(ServletWebServerApplicationContext.java:181) ~[spring-boot-2.1.3.RELEASE.jar:2.1.3.RELEASE] at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.onRefresh(ServletWebServerApplicationContext.java:154) ~[spring-boot-2.1.3.RELEASE.jar:2.1.3.RELEASE] ... 8 common frames omitted Caused by: java.lang.IllegalStateException: StandardEngine[Tomcat].StandardHost[localhost].TomcatEmbeddedContext[] failed to start at org.springframework.boot.web.embedded.tomcat.TomcatWebServer.rethrowDeferredStartupExceptions(TomcatWebServer.java:171) ~[spring-boot-2.1.3.RELEASE.jar:2.1.3.RELEASE] at org.springframework.boot.web.embedded.tomcat.TomcatWebServer.initialize(TomcatWebServer.java:109) ~[spring-boot-2.1.3.RELEASE.jar:2.1.3.RELEASE] ... 22 common frames omitted ``` 5.请教 请问大神们,这个是什么原因导致的啊,我都还没使用自定义注解,就出了问题!!!

Spring Aop 拦截dao层接口

我的dao层写的是接口,,,,实现是mapper.xml 现在我要拦截 dao 层的 update 和delete方法, 但不管我 用jdk的动态代理 还是 cglib 的代理 都无法拦截, 但有趣的是service 层可以拦截,,,,但也只能拦截 用业务对象访问的方法, 对于 方法里调用的其他方法 无法拦截,,,,,,,抓狂 求大神指教

spring boot 切面 自定义注解无法使用在启动类的问题

我想使用spring boot 的切面进行对controller的返回进行统一处理,然后切点的要求是controller类,使用了自定义的启用注解(EnableGlobal),且未使用自定义的排除注解(ExcludeGlobal),但又不想在每个controller上面都写一个@EnableGlobal,想把@EnableGlobal写在启动类上面,但是不生效,各位大神有没有什么好的解决办法? ![图片说明](https://img-ask.csdn.net/upload/201901/20/1547954239_882510.png) ![图片说明](https://img-ask.csdn.net/upload/201901/20/1547954124_540916.png)

Spring 5.0 AOP 获取自定义注解

我按照百度上面的获取自定义注解 ,但是一直不能成功,求大神详解!!!!!

Java如何在Spring AOP中返回Map

## **Java如何在Spring AOP中返回Map** 各路Java业界大神,请帮小弟一把。 在spring mvc的控制器中,需要频繁返回Map<String,String>来反应前端网页是否修改成功。 所以我就想做一个AOP控制所有的void delete*()等方法实现自动加上Map类型返回。 以下是未修改代码: @RequestMapping("delete") @ResponseBody public Map<String,String> delete(Integer id){ Map<String,String> tipMessages=new HashMap<String,String>(); try{ xxxService.delete(Integer id); tipMessages.put("status", "Y"); tipMessages.put("info","删除成功"); }catch(Exception e){ tipMessages.put("status", "N"); tipMessages.put("info", "删除失败"); } return tipMessages; 理想状态: @Around("pointCut()") public Object doAround(ProceedingJoinPoint pjp) throws Throwable { try{ Object o = pjp.proceed(); //正常处理 tipMessages.put("status", "Y"); tipMessages.put("info","删除成功"); }catch(Exception e){ tipMessages.put("status", "N"); tipMessages.put("info", "删除失败"); } return o; } Class xxxService{ public Map<String,String> delete(){ xxxRepository.delete(); } } 不知从何下手,望大神门指点迷津。

自定义AOP 时内存泄露问题

![图片说明](https://img-ask.csdn.net/upload/201709/02/1504321625_749003.png) 查了有半个多月了,终于查到了是因为spring 中的一个配置 <aop:aspectj-autoproxy>只致使AnnotationAwareAspectJAutoProxy 使用内存越增越多。虽然去掉了这个就能项目恢复正常。而且代码里的自动被代理的类也已经去掉了,但是这个配置一加上去。内存就越增越大,一去掉就恢复正常。想问大神有人知道这是为什么吗?

各位大神们帮我解决spring中切点和切面的的问题

public class MyBook { public void before1(){ System.out.println("前置执行。。。。。。"); } public void after1(){ System.out.println("后置执行"); } public void around1(ProceedingJoinPoint proceedingJoinPoint) throws Throwable{ System.out.println("方法前执行"); proceedingJoinPoint.proceed(); System.out.println("方法后执行"); } } public class Book { public void add(){ System.out.println("add........."); } } public class TestBook { @Test public void testUserService(){ ApplicationContext context=new ClassPathXmlApplicationContext("bean3.xml"); Book book=(Book)context.getBean("book"); book.add(); } } <?xml version="1.0" encoding="UTF-8"?> <beans xmlns="http://www.springframework.org/schema/beans" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:aop="http://www.springframework.org/schema/aop" xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop.xsd"> <!-- 创建对象 --> <bean id="book" class="com.langsin.aop.Book"></bean> <bean id="myBook" class="com.langsin.aop.MyBook"></bean> <!-- aop的配置 --> <aop:config> <!-- 配置切入点 expression是指表达式,是所要配置的那个方法 id随便起名 --> <aop:pointcut expression="execution(* com.langsin.aop.Book.add(..))" id="pointcut1"/> <!-- 配置切面 --> <aop:aspect ref="myBook"> <aop:before method="before1" pointcut-ref="pointcut1"></aop:before> <aop:after-returning method="after1" pointcut-ref="pointcut1"/> <aop:around method="around1" pointcut-ref="pointcut1"/> </aop:aspect> </aop:config> </beans> 出错 org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'book' defined in class path resource [bean3.xml]: Initialization of bean failed; nested exception is java.lang.NoClassDefFoundError: org/springframework/objenesis/SpringObjenesis at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:547) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:475) at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:304) at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:228) at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:300) at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:195) at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:703) at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:760) at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:482) at org.springframework.context.support.ClassPathXmlApplicationContext.<init>(ClassPathXmlApplicationContext.java:139) at org.springframework.context.support.ClassPathXmlApplicationContext.<init>(ClassPathXmlApplicationContext.java:83) at com.langsin.aop.TestBook.testUserService(TestBook.java:18) 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.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:44) at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:15) at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:41) at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:20) at org.junit.runners.BlockJUnit4ClassRunner.runNotIgnored(BlockJUnit4ClassRunner.java:79) at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:71) at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:49) at org.junit.runners.ParentRunner$3.run(ParentRunner.java:193) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:52) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:191) at org.junit.runners.ParentRunner.access$000(ParentRunner.java:42) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:184) at org.junit.runners.ParentRunner.run(ParentRunner.java:236) at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:50) at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38) at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:467) at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:683) at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:390) at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:197) Caused by: java.lang.NoClassDefFoundError: org/springframework/objenesis/SpringObjenesis at org.springframework.aop.framework.ObjenesisCglibAopProxy.<clinit>(ObjenesisCglibAopProxy.java:40) at org.springframework.aop.framework.DefaultAopProxyFactory.createAopProxy(DefaultAopProxyFactory.java:60) at org.springframework.aop.framework.ProxyCreatorSupport.createAopProxy(ProxyCreatorSupport.java:105) at org.springframework.aop.framework.ProxyFactory.getProxy(ProxyFactory.java:109) at org.springframework.aop.framework.autoproxy.AbstractAutoProxyCreator.createProxy(AbstractAutoProxyCreator.java:470) at org.springframework.aop.framework.autoproxy.AbstractAutoProxyCreator.wrapIfNecessary(AbstractAutoProxyCreator.java:350) at org.springframework.aop.framework.autoproxy.AbstractAutoProxyCreator.postProcessAfterInitialization(AbstractAutoProxyCreator.java:299) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.applyBeanPostProcessorsAfterInitialization(AbstractAutowireCapableBeanFactory.java:421) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1558) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:539) ... 34 more Caused by: java.lang.ClassNotFoundException: org.springframework.objenesis.SpringObjenesis at java.net.URLClassLoader$1.run(URLClassLoader.java:200) at java.security.AccessController.doPrivileged(Native Method) at java.net.URLClassLoader.findClass(URLClassLoader.java:188) at java.lang.ClassLoader.loadClass(ClassLoader.java:307) at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301) at java.lang.ClassLoader.loadClass(ClassLoader.java:252) at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:320) ... 44 more

spring切面不执行,哪位大神帮看看!

现在要切 RestServiceFacade1 的callService ,但是进入不了切面E2EAspect的serviceAround方法,spirng代码在下方 public class RestServiceFacade1 { public static Object callService(Object in, Class outC, String serviceName) throws Exception { String msg2send = JsonUtil.oToJ(in); System.out.println("targetUrl:"+targetUrl+serviceName); System.out.println("待发送报文为:"+msg2send); //"{\"name\":\"tset\"}";// String outData = HttpUtil.postData(targetUrl+serviceName, msg2send); System.out.println("outData="+outData); return JsonUtil.jToO(outData, outC, null); } public static Object callService(Object in, Class outC) throws Exception { return callService(in, outC, null); } } public class E2EAspect { public Object serviceAround(ProceedingJoinPoint joinPoint) throws Throwable { logger("进入serviceAround 切入方法"); BaseRequestRest in = (BaseRequestRest) joinPoint.getArgs()[0]; String svcName = in.getServiceName(); Object result; // if (e2eSvcList.contains(svcName)) {// 判断该服务是否需要拦截 if (true) {// 所有服务都需要拦截 logger("服务名(" + svcName + ")需要拦截,进入端到端处理逻辑"); result = E2EAopHandle.handleE2E(joinPoint, TRACEID, PARENTCALLID, 2); logger("服务名(" + svcName + "),端到端处理结束"); } else { result = joinPoint.proceed(); } logger("退出serviceAround 切出方法"); return result; } } 配置文件说明=============== ``` <bean id="restServiceFacade" class="com.self.client.RestServiceFacade1" /> <!-- 端到端日志切面 --> <bean id="e2EAspect" class="com.self.e2e.E2EAspect" /> <aop:config proxy-target-class="true" > <aop:aspect ref="e2EAspect"> <aop:pointcut expression = "execution(* com.self.client.RestServiceFacade1.*(..))" id = "restServiceFacadeCall" /> <aop:around pointcut-ref="restServiceFacadeCall" method="serviceAround" /> </aop:aspect> </aop:config> ```

如何零配置完成SpringAOP织入

求助! 切面类已经写好, 如何不通过xml配置文件, 也不通过注解, 将切面与切入点表达式织入. 就是说Spring底层有没有什么类或者方法之类的, 通过调用也能完成织入.先谢谢各位大神啦!

在Spring AOP中,关于 [为通知传递参数] 的配置问题

下面是aop:config的配置 ``` <aop:config> <aop:aspect ref="magician"> <aop:pointcut id="thinking" expression="execution(* com.springinaction.springidol.Volunteer.thinkOfSomething(String)) and args(thoughts)" /> <aop:before method="interceptThoughts" arg-names="thoughts" pointcut-ref="thinking"/> </aop:aspect> </aop:config> ``` 下面是我的问题 1. 按照切点的表达式,我们可以知道thinkOfSomething(String)方法有一个String参数,那么在匹配切面中的方法的时候,根据配置可以知道方法名是interceptThoughts,那么再检查该方法是否有且只有一个String参数不就行了,为什么还要在切点中配置"args(thoughts)",在通知方法配置属性arg-names="thoughts",而且要求字符串“thoughts”是一致的,而不是作为一个占位。 2. 假设配置args(thoughts)只是为了说明该切点需要传递参数和传递参数的个数(比如说thoughts只是占位,表明传递第一个参数),那么根据参数的个数和对应的类型就可以匹配到通知方法了。那么,arg-names="thoughts" 就是多余的了。 上面就是我的疑问,有一种情况是我试验可以成功的,那就是切点不配置args(thoughts),通知方法不配置arg-names="thoughts",并且通知方法interceptThoughts是个无参函数,这个情况是可以的。 总而言之,关于通知方法的匹配逻辑我很模糊,希望大神指点。

SpringAOP用注解开发操作日志,求大神指导。急!QQ794124093

我用SSM框架,写这个日志,总是切不进去,也不知道是什么原因,找不到错误, 个人猜测是不是配置文件扫描类有问题。项目能正常运行,增删改查都没问题,就这个AOP搞不定,就知道帮忙谢谢。 @Aspect @Component public class OperateLogHandler { @Resource private OperateLogService operateLogService;// 操作日志Service /** * 添加业务逻辑方法切入点 */ @Pointcut("execution(* com.szkingdom.cdpf.admin.service.impl.*.save*(..))") public void saveServiceCall() { } /** * 修改业务逻辑方法切入点 */ @Pointcut("execution(* com.szkingdom.cdpf.admin.service..*.update*(..))") public void updateServiceCall() { } /** * 删除业务逻辑方法切入点 */ @Pointcut("execution(* com.szkingdom.cdpf.admin.service..*.delete*(..))") public void deleteServiceCall() { } /** * 操作员添加操作日志(后置通知) */ @Before(value="saveServiceCall()") public void saveServiceCallCalls(JoinPoint joinPoint) throws Throwable{ System.out.println("出现吧,出现把,出现把"); web.xml是这样的 <context-param> <param-name>contextConfigLocation</param-name> <param-value>classpath:spring/applicationContext*.xml</param-value> </context-param> <!-- 配置监听器 --> <listener> <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class> </listener> <listener> <listener-class>com.szkingdom.cdpf.web.listener.ServerStartupListener</listener-class> </listener> <!-- 字符编码过滤器 --> <filter> <filter-name>encoding</filter-name> <filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class> <init-param> <param-name>encoding</param-name> <param-value>UTF-8</param-value> </init-param> <init-param> <param-name>forceEncoding</param-name> <param-value>true</param-value> </init-param> </filter> <filter-mapping> <filter-name>encoding</filter-name> <url-pattern>*.do</url-pattern> </filter-mapping> <!-- 配置框架前端控制器 --> <servlet> <servlet-name>springmvc</servlet-name> <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class> <init-param> <param-name>contextConfigLocation</param-name> <param-value>classpath:springmvc/springmvc-servlet.xml</param-value> </init-param> <load-on-startup>1</load-on-startup> </servlet> <servlet-mapping> <servlet-name>springmvc</servlet-name> <url-pattern>*.do</url-pattern> </servlet-mapping> springmvc-servlet.xml文件是这样的 <!-- 启用注解功能 --> <context:annotation-config /> <context:component-scan base-package="com.szkingdom.cdpf.*" /> <mvc:annotation-driven /> 略。。 applicationContext.xml文件是这样的 <!-- 启用AOP功能 --> <aop:aspectj-autoproxy/> 略 。。。。 <!-- TransactionManager --> <bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager"> <property name="dataSource" ref="dataSource"></property> </bean> <!-- 事务通知Advice。Aspect是横切面,抽象的,Advice是具体存在的Aspect AOP功能增强器 --> <tx:advice id="transactionAdvice" transaction-manager="transactionManager"> <tx:attributes> <tx:method name="insert*" propagation="REQUIRED" isolation="DEFAULT" rollback-for="java.lang.Exception"/> <tx:method name="delete*" propagation="REQUIRED" isolation="DEFAULT" rollback-for="java.lang.Exception"/> <tx:method name="update*" propagation="REQUIRED" isolation="DEFAULT" rollback-for="java.lang.Exception"/> <tx:method name="select*" read-only="true"/> <tx:method name="*" propagation="REQUIRED" isolation="DEFAULT" rollback-for="java.lang.Exception"/> </tx:attributes> </tx:advice> <!-- 切入 --> <aop:config> <aop:advisor advice-ref="transactionAdvice" pointcut="execution(* com.szkingdom.cdpf.admin.service..*.*(..))"/> </aop:config> 我这事务感觉不太对,先不管,

在中国程序员是青春饭吗?

今年,我也32了 ,为了不给大家误导,咨询了猎头、圈内好友,以及年过35岁的几位老程序员……舍了老脸去揭人家伤疤……希望能给大家以帮助,记得帮我点赞哦。 目录: 你以为的人生 一次又一次的伤害 猎头界的真相 如何应对互联网行业的「中年危机」 一、你以为的人生 刚入行时,拿着傲人的工资,想着好好干,以为我们的人生是这样的: 等真到了那一天,你会发现,你的人生很可能是这样的: ...

程序员请照顾好自己,周末病魔差点一套带走我。

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