Java通过matlabcontrol.jar调用matlab脚本并得到返还值

应用idea通过网页接收用户上传的图片,怎么调用matlabcontrol的方法连接matlab,调用脚本文件并向脚本里传递照片,然后将matlab的值传递给java。
如果可以的话能不能帮我把matlabcontrol里的方法写成汉语的 写几个常用的就可以。

2个回答

用matlab这个方法几乎是不可能了

qq_38963132
qq_38963132 我看了3个了 没有用 他那个是传递几个数 进行简单的运算 我的没有那么多参数 就是传递图片
接近 2 年之前 回复
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io.undertow.servlet.handlers.FilterHandler.handleRequest(FilterHandler.java:84) ~[undertow-servlet-1.4.23.Final.jar:1.4.23.Final] at io.undertow.servlet.handlers.security.ServletSecurityRoleHandler.handleRequest(ServletSecurityRoleHandler.java:62) ~[undertow-servlet-1.4.23.Final.jar:1.4.23.Final] at io.undertow.servlet.handlers.ServletChain$1.handleRequest(ServletChain.java:64) ~[undertow-servlet-1.4.23.Final.jar:1.4.23.Final] at io.undertow.servlet.handlers.ServletDispatchingHandler.handleRequest(ServletDispatchingHandler.java:36) ~[undertow-servlet-1.4.23.Final.jar:1.4.23.Final] at io.undertow.servlet.handlers.security.SSLInformationAssociationHandler.handleRequest(SSLInformationAssociationHandler.java:132) ~[undertow-servlet-1.4.23.Final.jar:1.4.23.Final] at io.undertow.servlet.handlers.security.ServletAuthenticationCallHandler.handleRequest(ServletAuthenticationCallHandler.java:57) ~[undertow-servlet-1.4.23.Final.jar:1.4.23.Final] at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43) ~[undertow-core-1.4.23.Final.jar:1.4.23.Final] at io.undertow.security.handlers.AbstractConfidentialityHandler.handleRequest(AbstractConfidentialityHandler.java:46) ~[undertow-core-1.4.23.Final.jar:1.4.23.Final] at io.undertow.servlet.handlers.security.ServletConfidentialityConstraintHandler.handleRequest(ServletConfidentialityConstraintHandler.java:64) ~[undertow-servlet-1.4.23.Final.jar:1.4.23.Final] at io.undertow.security.handlers.AuthenticationMechanismsHandler.handleRequest(AuthenticationMechanismsHandler.java:60) ~[undertow-core-1.4.23.Final.jar:1.4.23.Final] at io.undertow.servlet.handlers.security.CachedAuthenticatedSessionHandler.handleRequest(CachedAuthenticatedSessionHandler.java:77) ~[undertow-servlet-1.4.23.Final.jar:1.4.23.Final] at io.undertow.security.handlers.AbstractSecurityContextAssociationHandler.handleRequest(AbstractSecurityContextAssociationHandler.java:43) ~[undertow-core-1.4.23.Final.jar:1.4.23.Final] at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43) ~[undertow-core-1.4.23.Final.jar:1.4.23.Final] at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43) ~[undertow-core-1.4.23.Final.jar:1.4.23.Final] at io.undertow.servlet.handlers.ServletInitialHandler.handleFirstRequest(ServletInitialHandler.java:292) ~[undertow-servlet-1.4.23.Final.jar:1.4.23.Final] at io.undertow.servlet.handlers.ServletInitialHandler.access$100(ServletInitialHandler.java:81) ~[undertow-servlet-1.4.23.Final.jar:1.4.23.Final] at io.undertow.servlet.handlers.ServletInitialHandler$2.call(ServletInitialHandler.java:138) ~[undertow-servlet-1.4.23.Final.jar:1.4.23.Final] at io.undertow.servlet.handlers.ServletInitialHandler$2.call(ServletInitialHandler.java:135) ~[undertow-servlet-1.4.23.Final.jar:1.4.23.Final] at io.undertow.servlet.core.ServletRequestContextThreadSetupAction$1.call(ServletRequestContextThreadSetupAction.java:48) ~[undertow-servlet-1.4.23.Final.jar:1.4.23.Final] at io.undertow.servlet.core.ContextClassLoaderSetupAction$1.call(ContextClassLoaderSetupAction.java:43) [undertow-servlet-1.4.23.Final.jar:1.4.23.Final] at io.undertow.servlet.handlers.ServletInitialHandler.dispatchRequest(ServletInitialHandler.java:272) ~[undertow-servlet-1.4.23.Final.jar:1.4.23.Final] at io.undertow.servlet.handlers.ServletInitialHandler.access$000(ServletInitialHandler.java:81) ~[undertow-servlet-1.4.23.Final.jar:1.4.23.Final] at io.undertow.servlet.handlers.ServletInitialHandler$1.handleRequest(ServletInitialHandler.java:104) [undertow-servlet-1.4.23.Final.jar:1.4.23.Final] at io.undertow.server.Connectors.executeRootHandler(Connectors.java:336) [undertow-core-1.4.23.Final.jar:1.4.23.Final] at io.undertow.server.HttpServerExchange$1.run(HttpServerExchange.java:830) [undertow-core-1.4.23.Final.jar:1.4.23.Final] at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) [na:1.8.0_161] at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) [na:1.8.0_161] at java.lang.Thread.run(Thread.java:748) [na:1.8.0_161] Caused by: java.io.IOError: java.io.FileNotFoundException: NUL: (系统找不到指定的文件。) at org.xnio.channels.Channels$4.run(Channels.java:998) ~[xnio-api-3.3.8.Final.jar:3.3.8.Final] at org.xnio.channels.Channels$4.run(Channels.java:988) ~[xnio-api-3.3.8.Final.jar:3.3.8.Final] at java.security.AccessController.doPrivileged(Native Method) ~[na:1.8.0_161] at org.xnio.channels.Channels.<clinit>(Channels.java:988) ~[xnio-api-3.3.8.Final.jar:3.3.8.Final] at io.undertow.servlet.spec.ServletOutputStreamImpl.flushInternal(ServletOutputStreamImpl.java:493) ~[undertow-servlet-1.4.23.Final.jar:1.4.23.Final] at io.undertow.servlet.spec.ServletOutputStreamImpl.flush(ServletOutputStreamImpl.java:475) ~[undertow-servlet-1.4.23.Final.jar:1.4.23.Final] at sun.nio.cs.StreamEncoder.implFlush(StreamEncoder.java:297) ~[na:1.8.0_161] at sun.nio.cs.StreamEncoder.flush(StreamEncoder.java:141) ~[na:1.8.0_161] at java.io.OutputStreamWriter.flush(OutputStreamWriter.java:229) ~[na:1.8.0_161] at org.springframework.util.StreamUtils.copy(StreamUtils.java:119) ~[spring-core-4.3.16.RELEASE.jar:4.3.16.RELEASE] at org.springframework.http.converter.StringHttpMessageConverter.writeInternal(StringHttpMessageConverter.java:106) ~[spring-web-4.3.16.RELEASE.jar:4.3.16.RELEASE] at org.springframework.http.converter.StringHttpMessageConverter.writeInternal(StringHttpMessageConverter.java:41) ~[spring-web-4.3.16.RELEASE.jar:4.3.16.RELEASE] at org.springframework.http.converter.AbstractHttpMessageConverter.write(AbstractHttpMessageConverter.java:226) ~[spring-web-4.3.16.RELEASE.jar:4.3.16.RELEASE] at org.springframework.web.servlet.mvc.method.annotation.AbstractMessageConverterMethodProcessor.writeWithMessageConverters(AbstractMessageConverterMethodProcessor.java:247) ~[spring-webmvc-4.3.16.RELEASE.jar:4.3.16.RELEASE] at org.springframework.web.servlet.mvc.method.annotation.RequestResponseBodyMethodProcessor.handleReturnValue(RequestResponseBodyMethodProcessor.java:174) ~[spring-webmvc-4.3.16.RELEASE.jar:4.3.16.RELEASE] at org.springframework.web.method.support.HandlerMethodReturnValueHandlerComposite.handleReturnValue(HandlerMethodReturnValueHandlerComposite.java:81) ~[spring-web-4.3.16.RELEASE.jar:4.3.16.RELEASE] at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:113) ~[spring-webmvc-4.3.16.RELEASE.jar:4.3.16.RELEASE] at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:827) ~[spring-webmvc-4.3.16.RELEASE.jar:4.3.16.RELEASE] at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:738) ~[spring-webmvc-4.3.16.RELEASE.jar:4.3.16.RELEASE] at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:85) ~[spring-webmvc-4.3.16.RELEASE.jar:4.3.16.RELEASE] at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:967) ~[spring-webmvc-4.3.16.RELEASE.jar:4.3.16.RELEASE] ... 52 common frames omitted Caused by: java.io.FileNotFoundException: NUL: (系统找不到指定的文件。) at java.io.FileOutputStream.open0(Native Method) ~[na:1.8.0_161] at java.io.FileOutputStream.open(FileOutputStream.java:270) ~[na:1.8.0_161] at java.io.FileOutputStream.<init>(FileOutputStream.java:213) ~[na:1.8.0_161] at java.io.FileOutputStream.<init>(FileOutputStream.java:101) ~[na:1.8.0_161] at org.xnio.channels.Channels$4.run(Channels.java:993) ~[xnio-api-3.3.8.Final.jar:3.3.8.Final] ... 72 common frames omitted 2019-03-05 17:04:58.620 ERROR 2260 --- [ XNIO-2 task-1] io.undertow.request : UT005071: Undertow request failed HttpServerExchange{ GET /A request {Connection=[keep-alive], Accept=[text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8], Accept-Language=[zh-CN,zh;q=0.8], Cache-Control=[max-age=0], Accept-Encoding=[gzip, deflate, br], User-Agent=[Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/59.0.3071.104 Safari/537.36], Upgrade-Insecure-Requests=[1], Host=[localhost:6001]} response {Connection=[keep-alive], Content-Type=[text/html;charset=UTF-8], Content-Length=[1], Date=[Tue, 05 Mar 2019 09:04:58 GMT]}} java.lang.NoClassDefFoundError: Could not initialize class org.xnio.channels.Channels at io.undertow.servlet.spec.ServletOutputStreamImpl.close(ServletOutputStreamImpl.java:615) ~[undertow-servlet-1.4.23.Final.jar:1.4.23.Final] at io.undertow.servlet.spec.HttpServletResponseImpl.closeStreamAndWriter(HttpServletResponseImpl.java:479) ~[undertow-servlet-1.4.23.Final.jar:1.4.23.Final] at io.undertow.servlet.spec.HttpServletResponseImpl.responseDone(HttpServletResponseImpl.java:568) ~[undertow-servlet-1.4.23.Final.jar:1.4.23.Final] at io.undertow.servlet.handlers.ServletInitialHandler.handleFirstRequest(ServletInitialHandler.java:339) ~[undertow-servlet-1.4.23.Final.jar:1.4.23.Final] at io.undertow.servlet.handlers.ServletInitialHandler.access$100(ServletInitialHandler.java:81) ~[undertow-servlet-1.4.23.Final.jar:1.4.23.Final] at io.undertow.servlet.handlers.ServletInitialHandler$2.call(ServletInitialHandler.java:138) ~[undertow-servlet-1.4.23.Final.jar:1.4.23.Final] at io.undertow.servlet.handlers.ServletInitialHandler$2.call(ServletInitialHandler.java:135) ~[undertow-servlet-1.4.23.Final.jar:1.4.23.Final] at io.undertow.servlet.core.ServletRequestContextThreadSetupAction$1.call(ServletRequestContextThreadSetupAction.java:48) ~[undertow-servlet-1.4.23.Final.jar:1.4.23.Final] at io.undertow.servlet.core.ContextClassLoaderSetupAction$1.call(ContextClassLoaderSetupAction.java:43) ~[undertow-servlet-1.4.23.Final.jar:1.4.23.Final] at io.undertow.servlet.handlers.ServletInitialHandler.dispatchRequest(ServletInitialHandler.java:272) ~[undertow-servlet-1.4.23.Final.jar:1.4.23.Final] at io.undertow.servlet.handlers.ServletInitialHandler.access$000(ServletInitialHandler.java:81) ~[undertow-servlet-1.4.23.Final.jar:1.4.23.Final] at io.undertow.servlet.handlers.ServletInitialHandler$1.handleRequest(ServletInitialHandler.java:104) ~[undertow-servlet-1.4.23.Final.jar:1.4.23.Final] at io.undertow.server.Connectors.executeRootHandler(Connectors.java:336) ~[undertow-core-1.4.23.Final.jar:1.4.23.Final] at io.undertow.server.HttpServerExchange$1.run(HttpServerExchange.java:830) ~[undertow-core-1.4.23.Final.jar:1.4.23.Final] at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) ~[na:1.8.0_161] at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) ~[na:1.8.0_161] at java.lang.Thread.run(Thread.java:748) ~[na:1.8.0_161] 2019-03-05 17:04:58.729 ERROR 2260 --- [ XNIO-2 task-2] io.undertow.request : UT005023: Exception handling request to /favicon.ico org.springframework.web.util.NestedServletException: Handler dispatch failed; nested exception is java.io.IOError: java.io.FileNotFoundException: NUL: (系统找不到指定的文件。) at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:982) ~[spring-webmvc-4.3.16.RELEASE.jar:4.3.16.RELEASE] at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:901) ~[spring-webmvc-4.3.16.RELEASE.jar:4.3.16.RELEASE] at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:970) ~[spring-webmvc-4.3.16.RELEASE.jar:4.3.16.RELEASE] at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:861) ~[spring-webmvc-4.3.16.RELEASE.jar:4.3.16.RELEASE] at javax.servlet.http.HttpServlet.service(HttpServlet.java:635) ~[tomcat-embed-core-8.5.29.jar:8.5.29] at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:846) ~[spring-webmvc-4.3.16.RELEASE.jar:4.3.16.RELEASE] at javax.servlet.http.HttpServlet.service(HttpServlet.java:742) ~[tomcat-embed-core-8.5.29.jar:8.5.29] at io.undertow.servlet.handlers.ServletHandler.handleRequest(ServletHandler.java:74) ~[undertow-servlet-1.4.23.Final.jar:1.4.23.Final] at io.undertow.servlet.handlers.FilterHandler$FilterChainImpl.doFilter(FilterHandler.java:129) ~[undertow-servlet-1.4.23.Final.jar:1.4.23.Final] at org.springframework.web.filter.RequestContextFilter.doFilterInternal(RequestContextFilter.java:99) ~[spring-web-4.3.16.RELEASE.jar:4.3.16.RELEASE] at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) ~[spring-web-4.3.16.RELEASE.jar:4.3.16.RELEASE] at io.undertow.servlet.core.ManagedFilter.doFilter(ManagedFilter.java:61) ~[undertow-servlet-1.4.23.Final.jar:1.4.23.Final] at io.undertow.servlet.handlers.FilterHandler$FilterChainImpl.doFilter(FilterHandler.java:131) ~[undertow-servlet-1.4.23.Final.jar:1.4.23.Final] at org.springframework.web.filter.HttpPutFormContentFilter.doFilterInternal(HttpPutFormContentFilter.java:109) ~[spring-web-4.3.16.RELEASE.jar:4.3.16.RELEASE] at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) ~[spring-web-4.3.16.RELEASE.jar:4.3.16.RELEASE] at io.undertow.servlet.core.ManagedFilter.doFilter(ManagedFilter.java:61) ~[undertow-servlet-1.4.23.Final.jar:1.4.23.Final] at io.undertow.servlet.handlers.FilterHandler$FilterChainImpl.doFilter(FilterHandler.java:131) ~[undertow-servlet-1.4.23.Final.jar:1.4.23.Final] at org.springframework.web.filter.HiddenHttpMethodFilter.doFilterInternal(HiddenHttpMethodFilter.java:81) ~[spring-web-4.3.16.RELEASE.jar:4.3.16.RELEASE] at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) ~[spring-web-4.3.16.RELEASE.jar:4.3.16.RELEASE] at io.undertow.servlet.core.ManagedFilter.doFilter(ManagedFilter.java:61) ~[undertow-servlet-1.4.23.Final.jar:1.4.23.Final] at io.undertow.servlet.handlers.FilterHandler$FilterChainImpl.doFilter(FilterHandler.java:131) ~[undertow-servlet-1.4.23.Final.jar:1.4.23.Final] at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:197) ~[spring-web-4.3.16.RELEASE.jar:4.3.16.RELEASE] at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) ~[spring-web-4.3.16.RELEASE.jar:4.3.16.RELEASE] at io.undertow.servlet.core.ManagedFilter.doFilter(ManagedFilter.java:61) ~[undertow-servlet-1.4.23.Final.jar:1.4.23.Final] at io.undertow.servlet.handlers.FilterHandler$FilterChainImpl.doFilter(FilterHandler.java:131) ~[undertow-servlet-1.4.23.Final.jar:1.4.23.Final] at io.undertow.servlet.handlers.FilterHandler.handleRequest(FilterHandler.java:84) ~[undertow-servlet-1.4.23.Final.jar:1.4.23.Final] at io.undertow.servlet.handlers.security.ServletSecurityRoleHandler.handleRequest(ServletSecurityRoleHandler.java:62) ~[undertow-servlet-1.4.23.Final.jar:1.4.23.Final] at io.undertow.servlet.handlers.ServletChain$1.handleRequest(ServletChain.java:64) ~[undertow-servlet-1.4.23.Final.jar:1.4.23.Final] at io.undertow.servlet.handlers.ServletDispatchingHandler.handleRequest(ServletDispatchingHandler.java:36) ~[undertow-servlet-1.4.23.Final.jar:1.4.23.Final] at io.undertow.servlet.handlers.security.SSLInformationAssociationHandler.handleRequest(SSLInformationAssociationHandler.java:132) ~[undertow-servlet-1.4.23.Final.jar:1.4.23.Final] at io.undertow.servlet.handlers.security.ServletAuthenticationCallHandler.handleRequest(ServletAuthenticationCallHandler.java:57) ~[undertow-servlet-1.4.23.Final.jar:1.4.23.Final] at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43) ~[undertow-core-1.4.23.Final.jar:1.4.23.Final] at io.undertow.security.handlers.AbstractConfidentialityHandler.handleRequest(AbstractConfidentialityHandler.java:46) ~[undertow-core-1.4.23.Final.jar:1.4.23.Final] at io.undertow.servlet.handlers.security.ServletConfidentialityConstraintHandler.handleRequest(ServletConfidentialityConstraintHandler.java:64) ~[undertow-servlet-1.4.23.Final.jar:1.4.23.Final] at io.undertow.security.handlers.AuthenticationMechanismsHandler.handleRequest(AuthenticationMechanismsHandler.java:60) ~[undertow-core-1.4.23.Final.jar:1.4.23.Final] at io.undertow.servlet.handlers.security.CachedAuthenticatedSessionHandler.handleRequest(CachedAuthenticatedSessionHandler.java:77) ~[undertow-servlet-1.4.23.Final.jar:1.4.23.Final] at io.undertow.security.handlers.AbstractSecurityContextAssociationHandler.handleRequest(AbstractSecurityContextAssociationHandler.java:43) ~[undertow-core-1.4.23.Final.jar:1.4.23.Final] at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43) ~[undertow-core-1.4.23.Final.jar:1.4.23.Final] at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43) ~[undertow-core-1.4.23.Final.jar:1.4.23.Final] at io.undertow.servlet.handlers.ServletInitialHandler.handleFirstRequest(ServletInitialHandler.java:292) ~[undertow-servlet-1.4.23.Final.jar:1.4.23.Final] at io.undertow.servlet.handlers.ServletInitialHandler.access$100(ServletInitialHandler.java:81) ~[undertow-servlet-1.4.23.Final.jar:1.4.23.Final] at io.undertow.servlet.handlers.ServletInitialHandler$2.call(ServletInitialHandler.java:138) ~[undertow-servlet-1.4.23.Final.jar:1.4.23.Final] at io.undertow.servlet.handlers.ServletInitialHandler$2.call(ServletInitialHandler.java:135) ~[undertow-servlet-1.4.23.Final.jar:1.4.23.Final] at io.undertow.servlet.core.ServletRequestContextThreadSetupAction$1.call(ServletRequestContextThreadSetupAction.java:48) ~[undertow-servlet-1.4.23.Final.jar:1.4.23.Final] at io.undertow.servlet.core.ContextClassLoaderSetupAction$1.call(ContextClassLoaderSetupAction.java:43) [undertow-servlet-1.4.23.Final.jar:1.4.23.Final] at io.undertow.servlet.handlers.ServletInitialHandler.dispatchRequest(ServletInitialHandler.java:272) ~[undertow-servlet-1.4.23.Final.jar:1.4.23.Final] at io.undertow.servlet.handlers.ServletInitialHandler.access$000(ServletInitialHandler.java:81) ~[undertow-servlet-1.4.23.Final.jar:1.4.23.Final] at io.undertow.servlet.handlers.ServletInitialHandler$1.handleRequest(ServletInitialHandler.java:104) [undertow-servlet-1.4.23.Final.jar:1.4.23.Final] at io.undertow.server.Connectors.executeRootHandler(Connectors.java:336) [undertow-core-1.4.23.Final.jar:1.4.23.Final] at io.undertow.server.HttpServerExchange$1.run(HttpServerExchange.java:830) [undertow-core-1.4.23.Final.jar:1.4.23.Final] at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) [na:1.8.0_161] at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) [na:1.8.0_161] at java.lang.Thread.run(Thread.java:748) [na:1.8.0_161] Caused by: java.io.IOError: java.io.FileNotFoundException: NUL: (系统找不到指定的文件。) at org.xnio.conduits.Conduits$1.run(Conduits.java:237) ~[xnio-api-3.3.8.Final.jar:3.3.8.Final] at org.xnio.conduits.Conduits$1.run(Conduits.java:227) ~[xnio-api-3.3.8.Final.jar:3.3.8.Final] at java.security.AccessController.doPrivileged(Native Method) ~[na:1.8.0_161] at org.xnio.conduits.Conduits.<clinit>(Conduits.java:227) ~[xnio-api-3.3.8.Final.jar:3.3.8.Final] at io.undertow.conduits.AbstractFixedLengthStreamSinkConduit.writeFinal(AbstractFixedLengthStreamSinkConduit.java:175) ~[undertow-core-1.4.23.Final.jar:1.4.23.Final] at org.xnio.conduits.ConduitStreamSinkChannel.writeFinal(ConduitStreamSinkChannel.java:104) ~[xnio-api-3.3.8.Final.jar:3.3.8.Final] at io.undertow.channels.DetachableStreamSinkChannel.writeFinal(DetachableStreamSinkChannel.java:195) ~[undertow-core-1.4.23.Final.jar:1.4.23.Final] at io.undertow.server.HttpServerExchange$WriteDispatchChannel.writeFinal(HttpServerExchange.java:2073) ~[undertow-core-1.4.23.Final.jar:1.4.23.Final] at io.undertow.servlet.spec.ServletOutputStreamImpl.writeBufferBlocking(ServletOutputStreamImpl.java:571) ~[undertow-servlet-1.4.23.Final.jar:1.4.23.Final] at io.undertow.servlet.spec.ServletOutputStreamImpl.close(ServletOutputStreamImpl.java:606) ~[undertow-servlet-1.4.23.Final.jar:1.4.23.Final] at io.undertow.servlet.spec.ServletOutputStreamImpl.updateWritten(ServletOutputStreamImpl.java:370) ~[undertow-servlet-1.4.23.Final.jar:1.4.23.Final] at io.undertow.servlet.spec.ServletOutputStreamImpl.write(ServletOutputStreamImpl.java:152) ~[undertow-servlet-1.4.23.Final.jar:1.4.23.Final] at org.springframework.util.StreamUtils.copy(StreamUtils.java:138) ~[spring-core-4.3.16.RELEASE.jar:4.3.16.RELEASE] at org.springframework.http.converter.ResourceHttpMessageConverter.writeContent(ResourceHttpMessageConverter.java:110) ~[spring-web-4.3.16.RELEASE.jar:4.3.16.RELEASE] at org.springframework.http.converter.ResourceHttpMessageConverter.writeInternal(ResourceHttpMessageConverter.java:102) ~[spring-web-4.3.16.RELEASE.jar:4.3.16.RELEASE] at org.springframework.http.converter.ResourceHttpMessageConverter.writeInternal(ResourceHttpMessageConverter.java:45) ~[spring-web-4.3.16.RELEASE.jar:4.3.16.RELEASE] at org.springframework.http.converter.AbstractHttpMessageConverter.write(AbstractHttpMessageConverter.java:226) ~[spring-web-4.3.16.RELEASE.jar:4.3.16.RELEASE] at org.springframework.web.servlet.resource.ResourceHttpRequestHandler.handleRequest(ResourceHttpRequestHandler.java:480) ~[spring-webmvc-4.3.16.RELEASE.jar:4.3.16.RELEASE] at org.springframework.web.servlet.mvc.HttpRequestHandlerAdapter.handle(HttpRequestHandlerAdapter.java:51) ~[spring-webmvc-4.3.16.RELEASE.jar:4.3.16.RELEASE] at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:967) ~[spring-webmvc-4.3.16.RELEASE.jar:4.3.16.RELEASE] ... 52 common frames omitted Caused by: java.io.FileNotFoundException: NUL: (系统找不到指定的文件。) at java.io.FileOutputStream.open0(Native Method) ~[na:1.8.0_161] at java.io.FileOutputStream.open(FileOutputStream.java:270) ~[na:1.8.0_161] at java.io.FileOutputStream.<init>(FileOutputStream.java:213) ~[na:1.8.0_161] at java.io.FileOutputStream.<init>(FileOutputStream.java:101) ~[na:1.8.0_161] at org.xnio.conduits.Conduits$1.run(Conduits.java:232) ~[xnio-api-3.3.8.Final.jar:3.3.8.Final] ... 71 common frames omitted

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因为oracle的jdbc驱动需要用户自己放到某个文件夹。然后我们的程序需要去调用这个jar来完成对oracle数据库的一个连接和验证,有没有什么好的方法可以解决

java.lang.reflect.InvocationTargetException: null

java.lang.reflect.InvocationTargetException: null at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) ~[na:1.8.0_77] at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62) ~[na:1.8.0_77] at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[na:1.8.0_77] at java.lang.reflect.Constructor.newInstance(Constructor.java:423) ~[na:1.8.0_77] at org.apache.cxf.bus.extension.Extension.load(Extension.java:249) ~[cxf-core-3.1.5.jar:3.1.5] at org.apache.cxf.bus.extension.ExtensionManagerImpl.loadAndRegister(ExtensionManagerImpl.java:213) [cxf-core-3.1.5.jar:3.1.5] at org.apache.cxf.bus.extension.ExtensionManagerImpl.getBeansOfType(ExtensionManagerImpl.java:348) [cxf-core-3.1.5.jar:3.1.5] at org.apache.cxf.bus.spring.SpringBeanLocator.getBeansOfType(SpringBeanLocator.java:153) [cxf-core-3.1.5.jar:3.1.5] at org.apache.cxf.bus.extension.ExtensionManagerBus.getExtension(ExtensionManagerBus.java:220) [cxf-core-3.1.5.jar:3.1.5] at org.apache.cxf.transport.http.HTTPTransportFactory.getDestination(HTTPTransportFactory.java:262) [cxf-rt-transports-http-3.1.5.jar:3.1.5] at org.apache.cxf.binding.soap.SoapTransportFactory.getDestination(SoapTransportFactory.java:131) [cxf-rt-bindings-soap-3.1.5.jar:3.1.5] at org.apache.cxf.endpoint.ServerImpl.initDestination(ServerImpl.java:84) [cxf-core-3.1.5.jar:3.1.5] at org.apache.cxf.endpoint.ServerImpl.<init>(ServerImpl.java:63) [cxf-core-3.1.5.jar:3.1.5] at org.apache.cxf.frontend.ServerFactoryBean.create(ServerFactoryBean.java:179) [cxf-rt-frontend-simple-3.1.5.jar:3.1.5] at org.apache.cxf.jaxws.JaxWsServerFactoryBean.create(JaxWsServerFactoryBean.java:211) [cxf-rt-frontend-jaxws-3.1.5.jar:3.1.5] at org.apache.cxf.jaxws.spring.NamespaceHandler$SpringServerFactoryBean.create(NamespaceHandler.java:60) [cxf-rt-frontend-jaxws-3.1.5.jar:3.1.5] at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:1.8.0_77] at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[na:1.8.0_77] at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:1.8.0_77] at java.lang.reflect.Method.invoke(Method.java:498) ~[na:1.8.0_77] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeCustomInitMethod(AbstractAutowireCapableBeanFactory.java:1706) [spring-beans-4.2.4.RELEASE.jar:4.2.4.RELEASE] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeInitMethods(AbstractAutowireCapableBeanFactory.java:1645) [spring-beans-4.2.4.RELEASE.jar:4.2.4.RELEASE] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1574) [spring-beans-4.2.4.RELEASE.jar:4.2.4.RELEASE] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:545) [spring-beans-4.2.4.RELEASE.jar:4.2.4.RELEASE] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:482) [spring-beans-4.2.4.RELEASE.jar:4.2.4.RELEASE] at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:306) [spring-beans-4.2.4.RELEASE.jar:4.2.4.RELEASE] at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:230) [spring-beans-4.2.4.RELEASE.jar:4.2.4.RELEASE] at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:302) [spring-beans-4.2.4.RELEASE.jar:4.2.4.RELEASE] at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:197) [spring-beans-4.2.4.RELEASE.jar:4.2.4.RELEASE] at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:772) [spring-beans-4.2.4.RELEASE.jar:4.2.4.RELEASE] at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:839) [spring-context-4.2.4.RELEASE.jar:4.2.4.RELEASE] at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:538) [spring-context-4.2.4.RELEASE.jar:4.2.4.RELEASE] at org.springframework.web.context.ContextLoader.configureAndRefreshWebApplicationContext(ContextLoader.java:446) [spring-web-4.2.4.RELEASE.jar:4.2.4.RELEASE] at org.springframework.web.context.ContextLoader.initWebApplicationContext(ContextLoader.java:328) [spring-web-4.2.4.RELEASE.jar:4.2.4.RELEASE] at org.springframework.web.context.ContextLoaderListener.contextInitialized(ContextLoaderListener.java:107) [spring-web-4.2.4.RELEASE.jar:4.2.4.RELEASE] at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:4811) [catalina.jar:8.0.33] at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5251) [catalina.jar:8.0.33] at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:147) [catalina.jar:8.0.33] at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1408) [catalina.jar:8.0.33] at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1398) [catalina.jar:8.0.33] at java.util.concurrent.FutureTask.run(FutureTask.java:266) [na:1.8.0_77] at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) [na:1.8.0_77] at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) [na:1.8.0_77] at java.lang.Thread.run(Thread.java:745) [na:1.8.0_77] Caused by: java.lang.NoClassDefFoundError: io/netty/util/Version at org.apache.cxf.transport.http.netty.server.NettyHttpDestinationFactory.<init>(NettyHttpDestinationFactory.java:36) ~[cxf-rt-transports-http-netty-server-3.1.5.jar:3.1.5] ... 44 common frames omitted Caused by: java.lang.ClassNotFoundException: io.netty.util.Version at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1305) ~[catalina.jar:8.0.33] at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1139) ~[catalina.jar:8.0.33] ... 45 common frames omitted

JAVA 使用RXTXcomm.jar导出问题

![图片说明](https://img-ask.csdn.net/upload/201703/21/1490089659_875291.png)

Jmeter刚启动就报错,java.lang.StackOverflowError: null

* 刚启动就报错,反射错误?? ``` 2019-10-15 19:25:30,381 INFO o.j.r.JARSourceHTTP: Found cached repo 2019-10-15 19:25:30,490 INFO o.j.r.PluginManager: Plugins Status: [jpgc-graphs-basic=2.0, jpgc-graphs-additional=Extras, jpgc-autostop=Extras, jpgc-sense=Standard, jpgc-cmd=Standard, jpgc-graphs-composite=Standard, jpgc-csl=Standard, jpgc-functions=2.1, jpgc-casutg=2.7, jpgc-dbmon=Extras, jpgc-graphs-dist=Extras, jpgc-dummy=Standard, jpgc-filterresults=Standard, jpgc-ffw=Standard, jpgc-ggl=Extras, jpgc-httpraw=Extras, jpgc-sts=Extras, jpgc-fifo=Standard, jpgc-jmxmon=Extras, jpgc-graphs-vs=Extras, jpgc-lockfile=Extras, jpgc-mergeresults=Standard, jpgc-pde=Extras, jpgc-prmctl=Extras, jpgc-perfmon=Standard, jpgc-plugins-manager=1.3, jpgc-synthesis=Standard, jpgc-plancheck=Standard, jpgc-tst=Standard, jpgc-udp=Extras, jpgc-csvars=Extras, jpgc-wsc=Standard, jpgc-xml=Extras, jmeter-core=5.1, jmeter-ftp=5.1, jmeter-http=5.1, jmeter-jdbc=5.1, jmeter-jms=5.1, jmeter-junit=5.1, jmeter-java=5.1, jmeter-ldap=5.1, jmeter-mail=5.1, jmeter-mongodb=5.1, jmeter-native=5.1, jmeter-tcp=5.1, jmeter-components=5.1, jpgc-standard=2.0] 2019-10-15 19:25:30,490 INFO o.j.r.PluginManagerMenuItem: Plugins Manager has upgrades: [jpgc-casutg] 2019-10-15 19:25:30,928 WARN o.a.j.g.u.MenuFactory: Could not instantiate class: kg.apc.jmeter.reporters.LoadosophiaUploaderGui java.lang.reflect.InvocationTargetException: null at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) ~[?:1.8.0_131] at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62) ~[?:1.8.0_131] at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[?:1.8.0_131] at java.lang.reflect.Constructor.newInstance(Constructor.java:423) ~[?:1.8.0_131] at org.apache.jmeter.gui.util.MenuFactory.getGUIComponent(MenuFactory.java:174) ~[ApacheJMeter_core.jar:5.1 r1853635] at org.apache.jmeter.gui.util.MenuFactory.initializeMenus(MenuFactory.java:141) ~[ApacheJMeter_core.jar:5.1 r1853635] at org.apache.jmeter.gui.util.MenuFactory.<clinit>(MenuFactory.java:106) ~[ApacheJMeter_core.jar:5.1 r1853635] at org.apache.jmeter.control.gui.TestPlanGui.createPopupMenu(TestPlanGui.java:92) ~[ApacheJMeter_core.jar:5.1 r1853635] at org.apache.jmeter.gui.tree.JMeterTreeNode.createPopupMenu(JMeterTreeNode.java:185) ~[ApacheJMeter_core.jar:5.1 r1853635] at org.apache.jmeter.gui.action.EditCommand.doAction(EditCommand.java:46) ~[ApacheJMeter_core.jar:5.1 r1853635] at org.apache.jmeter.gui.action.ActionRouter.performAction(ActionRouter.java:88) ~[ApacheJMeter_core.jar:5.1 r1853635] at org.apache.jmeter.gui.action.ActionRouter.lambda$actionPerformed$0(ActionRouter.java:70) ~[ApacheJMeter_core.jar:5.1 r1853635] at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:311) [?:1.8.0_131] at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:756) [?:1.8.0_131] at java.awt.EventQueue.access$500(EventQueue.java:97) [?:1.8.0_131] at java.awt.EventQueue$3.run(EventQueue.java:709) [?:1.8.0_131] at java.awt.EventQueue$3.run(EventQueue.java:703) [?:1.8.0_131] at java.security.AccessController.doPrivileged(Native Method) [?:1.8.0_131] at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:80) [?:1.8.0_131] at java.awt.EventQueue.dispatchEvent(EventQueue.java:726) [?:1.8.0_131] at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:201) [?:1.8.0_131] at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:116) [?:1.8.0_131] at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:105) [?:1.8.0_131] at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:101) [?:1.8.0_131] at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:93) [?:1.8.0_131] at java.awt.EventDispatchThread.run(EventDispatchThread.java:82) [?:1.8.0_131] Caused by: java.lang.NoClassDefFoundError: org/apache/commons/httpclient/methods/multipart/PartSource at kg.apc.jmeter.reporters.LoadosophiaUploaderGui.init(LoadosophiaUploaderGui.java:114) ~[JMeterPlugins-Standard.jar:?] at kg.apc.jmeter.reporters.LoadosophiaUploaderGui.<init>(LoadosophiaUploaderGui.java:28) ~[JMeterPlugins-Standard.jar:?] ... 26 more Caused by: java.lang.ClassNotFoundException: org.apache.commons.httpclient.methods.multipart.PartSource at java.net.URLClassLoader.findClass(URLClassLoader.java:381) ~[?:1.8.0_131] at java.lang.ClassLoader.loadClass(ClassLoader.java:424) ~[?:1.8.0_131] at java.lang.ClassLoader.loadClass(ClassLoader.java:357) ~[?:1.8.0_131] at kg.apc.jmeter.reporters.LoadosophiaUploaderGui.init(LoadosophiaUploaderGui.java:114) ~[JMeterPlugins-Standard.jar:?] at kg.apc.jmeter.reporters.LoadosophiaUploaderGui.<init>(LoadosophiaUploaderGui.java:28) ~[JMeterPlugins-Standard.jar:?] ... 26 more ```’ * 接着启动线程,又报错StackOverflowError, ``` 2019-10-15 19:25:44,875 INFO o.a.j.t.JMeterThread: Thread started: 线程组 2-1 2019-10-15 19:25:44,876 INFO o.a.j.t.JMeterThread: Thread is done: 线程组 2-1 2019-10-15 19:25:44,876 INFO o.a.j.t.JMeterThread: Thread finished: 线程组 2-1 2019-10-15 19:25:45,703 INFO o.a.j.t.JMeterThread: Thread started: jp@gc - Stepping Thread Group (deprecated) 1-2 2019-10-15 19:25:46,703 INFO o.a.j.t.JMeterThread: Thread started: jp@gc - Stepping Thread Group (deprecated) 1-3 2019-10-15 19:25:47,696 INFO o.a.j.t.JMeterThread: Thread started: jp@gc - Stepping Thread Group (deprecated) 1-4 2019-10-15 19:25:48,195 INFO o.a.j.t.JMeterThread: Thread finished: jp@gc - Stepping Thread Group (deprecated) 1-1 2019-10-15 19:25:48,196 ERROR o.a.j.JMeter: Uncaught exception: java.lang.StackOverflowError: null at org.apache.jmeter.testelement.AbstractTestElement.recoverRunningVersion(AbstractTestElement.java:514) ~[ApacheJMeter_core.jar:5.1 r1853635] at org.apache.jmeter.testelement.property.TestElementProperty.recoverRunningVersion(TestElementProperty.java:125) ~[ApacheJMeter_core.jar:5.1 r1853635] at org.apache.jmeter.testelement.property.MultiProperty.recoverRunningVersionOfSubElements(MultiProperty.java:75) ~[ApacheJMeter_core.jar:5.1 r1853635] at org.apache.jmeter.testelement.property.CollectionProperty.recoverRunningVersion(CollectionProperty.java:205) ~[ApacheJMeter_core.jar:5.1 r1853635] at org.apache.jmeter.testelement.AbstractTestElement.recoverRunningVersion(AbstractTestElement.java:514) ~[ApacheJMeter_core.jar:5.1 r1853635] at org.apache.jmeter.testelement.property.TestElementProperty.recoverRunningVersion(TestElementProperty.java:125) ~[ApacheJMeter_core.jar:5.1 r1853635] at org.apache.jmeter.testelement.AbstractTestElement.recoverRunningVersion(AbstractTestElement.java:514) ~[ApacheJMeter_core.jar:5.1 r1853635] at org.apache.jmeter.threads.JMeterThread.notifyTestListeners(JMeterThread.java:973) ~[ApacheJMeter_core.jar:5.1 r1853635] at org.apache.jmeter.threads.JMeterThread$IterationListener.iterationStart(JMeterThread.java:1054) ~[ApacheJMeter_core.jar:5.1 r1853635] at org.apache.jmeter.control.GenericController.fireIterationStart(GenericController.java:399) ~[ApacheJMeter_core.jar:5.1 r1853635] at org.apache.jmeter.control.GenericController.fireIterEvents(GenericController.java:391) ~[ApacheJMeter_core.jar:5.1 r1853635] at org.apache.jmeter.control.GenericController.next(GenericController.java:160) ~[ApacheJMeter_core.jar:5.1 r1853635] at org.apache.jmeter.control.LoopController.next(LoopController.java:135) ~[ApacheJMeter_core.jar:5.1 r1853635] at org.apache.jmeter.control.LoopController.nextIsNull(LoopController.java:167) ~[ApacheJMeter_core.jar:5.1 r1853635] at org.apache.jmeter.control.GenericController.next(GenericController.java:170) ~[ApacheJMeter_core.jar:5.1 r1853635] at org.apache.jmeter.control.LoopController.next(LoopController.java:135) ~[ApacheJMeter_core.jar:5.1 r1853635] at org.apache.jmeter.control.GenericController.nextIsAController(GenericController.java:225) ~[ApacheJMeter_core.jar:5.1 r1853635] at org.apache.jmeter.control.GenericController.next(GenericController.java:175) ~[ApacheJMeter_core.jar:5.1 r1853635] at org.apache.jmeter.control.LoopController.next(LoopController.java:135) ~[ApacheJMeter_core.jar:5.1 r1853635] at org.apache.jmeter.control.LoopController.nextIsNull(LoopController.java:167) ~[ApacheJMeter_core.jar:5.1 r1853635] at org.apache.jmeter.control.GenericController.next(GenericController.java:170) ~[ApacheJMeter_core.jar:5.1 r1853635] at org.apache.jmeter.control.LoopController.next(LoopController.java:135) ~[ApacheJMeter_core.jar:5.1 r1853635] at org.apache.jmeter.control.GenericController.nextIsAController(GenericController.java:225) ~[ApacheJMeter_core.jar:5.1 r1853635] at org.apache.jmeter.control.GenericController.next(GenericController.java:175) ~[ApacheJMeter_core.jar:5.1 r1853635] at org.apache.jmeter.control.LoopController.next(LoopController.java:135) ~[ApacheJMeter_core.jar:5.1 r1853635] at org.apache.jmeter.control.LoopController.nextIsNull(LoopController.java:167) ~[ApacheJMeter_core.jar:5.1 r1853635] at org.apache.jmeter.control.GenericController.next(GenericController.java:170) ~[ApacheJMeter_core.jar:5.1 r1853635] at org.apache.jmeter.control.LoopController.next(LoopController.java:135) ~[ApacheJMeter_core.jar:5.1 r1853635] at org.apache.jmeter.control.GenericController.nextIsAController(GenericController.java:225) ~[ApacheJMeter_core.jar:5.1 r1853635] at org.apache.jmeter.control.GenericController.next(GenericController.java:175) ~[ApacheJMeter_core.jar:5.1 r1853635] ``` 前辈们帮忙看看

java.io.IOException: APR error: -120001

导出文件时发生的错误,可能是因为文件过大?文件大概300MB,有时成功,有时报这个错误 ``` java.io.IOException: APR error: -120001 at org.apache.coyote.http11.InternalAprOutputBuffer.writeToSocket(InternalAprOutputBuffer.java:292) ~[tomcat-coyote.jar:8.0.47] at org.apache.coyote.http11.InternalAprOutputBuffer.writeToSocket(InternalAprOutputBuffer.java:245) ~[tomcat-coyote.jar:8.0.47] at org.apache.coyote.http11.InternalAprOutputBuffer.flushBuffer(InternalAprOutputBuffer.java:214) ~[tomcat-coyote.jar:8.0.47] at org.apache.coyote.http11.InternalAprOutputBuffer.addToBB(InternalAprOutputBuffer.java:175) ~[tomcat-coyote.jar:8.0.47] at org.apache.coyote.http11.InternalAprOutputBuffer.access$000(InternalAprOutputBuffer.java:41) ~[tomcat-coyote.jar:8.0.47] at org.apache.coyote.http11.InternalAprOutputBuffer$SocketOutputBuffer.doWrite(InternalAprOutputBuffer.java:350) ~[tomcat-coyote.jar:8.0.47] at org.apache.coyote.http11.filters.IdentityOutputFilter.doWrite(IdentityOutputFilter.java:93) ~[tomcat-coyote.jar:8.0.47] at org.apache.coyote.http11.AbstractOutputBuffer.doWrite(AbstractOutputBuffer.java:256) ~[tomcat-coyote.jar:8.0.47] at org.apache.coyote.Response.doWrite(Response.java:491) ~[tomcat-coyote.jar:8.0.47] at org.apache.catalina.connector.OutputBuffer.realWriteBytes(OutputBuffer.java:391) ~[catalina.jar:8.0.47] at org.apache.tomcat.util.buf.ByteChunk.append(ByteChunk.java:344) ~[tomcat-util.jar:8.0.47] at org.apache.catalina.connector.OutputBuffer.writeBytes(OutputBuffer.java:421) ~[catalina.jar:8.0.47] at org.apache.catalina.connector.OutputBuffer.write(OutputBuffer.java:409) ~[catalina.jar:8.0.47] at org.apache.catalina.connector.CoyoteOutputStream.write(CoyoteOutputStream.java:97) ~[catalina.jar:8.0.47] at java.io.BufferedOutputStream.write(BufferedOutputStream.java:122) ~[na:1.8.0_74] at magicsoft.base.io.IOUtils.copy(IOUtils.java:112) ~[bm-base-3.8.0-SNAPSHOT.jar:na] at magicsoft.base.io.IOUtils.copy(IOUtils.java:89) ~[bm-base-3.8.0-SNAPSHOT.jar:na] at magicsoft.jersey.common.UploadFiles.download(UploadFiles.java:60) ~[bm-jersey-3.8.0-SNAPSHOT.jar:na] at magicsoft.jersey.common.UploadFiles.download(UploadFiles.java:36) ~[bm-jersey-3.8.0-SNAPSHOT.jar:na] at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:1.8.0_74] at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[na:1.8.0_74] at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:1.8.0_74] at java.lang.reflect.Method.invoke(Method.java:498) ~[na:1.8.0_74] at org.glassfish.jersey.server.model.internal.ResourceMethodInvocationHandlerFactory$1.invoke(ResourceMethodInvocationHandlerFactory.java:81) ~[jersey-server-2.22.2.jar:na] at org.glassfish.jersey.server.model.internal.AbstractJavaResourceMethodDispatcher$1.run(AbstractJavaResourceMethodDispatcher.java:144) ~[jersey-server-2.22.2.jar:na] at org.glassfish.jersey.server.model.internal.AbstractJavaResourceMethodDispatcher.invoke(AbstractJavaResourceMethodDispatcher.java:161) ~[jersey-server-2.22.2.jar:na] at org.glassfish.jersey.server.model.internal.JavaResourceMethodDispatcherProvider$ResponseOutInvoker.doDispatch(JavaResourceMethodDispatcherProvider.java:160) ~[jersey-server-2.22.2.jar:na] at org.glassfish.jersey.server.model.internal.AbstractJavaResourceMethodDispatcher.dispatch(AbstractJavaResourceMethodDispatcher.java:99) ~[jersey-server-2.22.2.jar:na] at org.glassfish.jersey.server.model.ResourceMethodInvoker.invoke(ResourceMethodInvoker.java:389) ~[jersey-server-2.22.2.jar:na] at org.glassfish.jersey.server.model.ResourceMethodInvoker.apply(ResourceMethodInvoker.java:347) ~[jersey-server-2.22.2.jar:na] at org.glassfish.jersey.server.model.ResourceMethodInvoker.apply(ResourceMethodInvoker.java:102) ~[jersey-server-2.22.2.jar:na] at org.glassfish.jersey.server.ServerRuntime$2.run(ServerRuntime.java:326) ~[jersey-server-2.22.2.jar:na] at org.glassfish.jersey.internal.Errors$1.call(Errors.java:271) [jersey-common-2.22.2.jar:na] at org.glassfish.jersey.internal.Errors$1.call(Errors.java:267) [jersey-common-2.22.2.jar:na] at org.glassfish.jersey.internal.Errors.process(Errors.java:315) [jersey-common-2.22.2.jar:na] at org.glassfish.jersey.internal.Errors.process(Errors.java:297) [jersey-common-2.22.2.jar:na] at org.glassfish.jersey.internal.Errors.process(Errors.java:267) [jersey-common-2.22.2.jar:na] at org.glassfish.jersey.process.internal.RequestScope.runInScope(RequestScope.java:317) [jersey-common-2.22.2.jar:na] at org.glassfish.jersey.server.ServerRuntime.process(ServerRuntime.java:305) [jersey-server-2.22.2.jar:na] at org.glassfish.jersey.server.ApplicationHandler.handle(ApplicationHandler.java:1154) [jersey-server-2.22.2.jar:na] at org.glassfish.jersey.servlet.WebComponent.serviceImpl(WebComponent.java:473) [jersey-container-servlet-core-2.22.2.jar:na] at org.glassfish.jersey.servlet.WebComponent.service(WebComponent.java:427) [jersey-container-servlet-core-2.22.2.jar:na] at org.glassfish.jersey.servlet.ServletContainer.service(ServletContainer.java:388) [jersey-container-servlet-core-2.22.2.jar:na] at org.glassfish.jersey.servlet.ServletContainer.service(ServletContainer.java:341) [jersey-container-servlet-core-2.22.2.jar:na] at magicsoft.jersey.MyJerseyServlet.service(MyJerseyServlet.java:35) [bm-jersey-3.8.0-SNAPSHOT.jar:na] at magicsoft.jersey.MyJerseyServletNTSW.service(MyJerseyServletNTSW.java:64) [classes/:na] at org.glassfish.jersey.servlet.ServletContainer.service(ServletContainer.java:228) [jersey-container-servlet-core-2.22.2.jar:na] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:292) [catalina.jar:8.0.47] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:207) [catalina.jar:8.0.47] at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52) [tomcat-websocket.jar:8.0.47] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:240) [catalina.jar:8.0.47] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:207) [catalina.jar:8.0.47] at com.alibaba.druid.support.http.WebStatFilter.doFilter(WebStatFilter.java:123) [druid-1.1.6.jar:1.1.6] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:240) [catalina.jar:8.0.47] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:207) [catalina.jar:8.0.47] at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:212) [catalina.jar:8.0.47] at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:94) [catalina.jar:8.0.47] at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:504) [catalina.jar:8.0.47] at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:141) [catalina.jar:8.0.47] at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:79) [catalina.jar:8.0.47] at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:620) [catalina.jar:8.0.47] at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:88) [catalina.jar:8.0.47] at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:502) [catalina.jar:8.0.47] at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1132) [tomcat-coyote.jar:8.0.47] at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:684) [tomcat-coyote.jar:8.0.47] at org.apache.tomcat.util.net.AprEndpoint$SocketProcessor.doRun(AprEndpoint.java:2527) [tomcat-coyote.jar:8.0.47] at org.apache.tomcat.util.net.AprEndpoint$SocketProcessor.run(AprEndpoint.java:2516) [tomcat-coyote.jar:8.0.47] at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) [na:1.8.0_74] at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) [na:1.8.0_74] at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) [tomcat-util.jar:8.0.47] at java.lang.Thread.run(Thread.java:745) [na:1.8.0_74] ```

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