严重: Servlet.service() for servlet default threw
exception
java.lang.IllegalStateException
at
org.apache.catalina.connector.ResponseFacade.sendError(ResponseFacade.java:407)
at
org.apache.struts2.dispatcher.Dispatcher.sendError(Dispatcher.java:725)
at
org.apache.struts2.dispatcher.Dispatcher.serviceAction(Dispatcher.java:485)
at
org.apache.struts2.dispatcher.ng.ExecuteOperations.executeAction(ExecuteOperations.java:77)
at
org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteF ilter.doFilter(StrutsPrepareAndExecuteF ilter.java:76)
at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
at
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
at
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)
at
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
at
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
at
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:293)
at
org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:849)
at
org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583)
at
org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:454)
at java.lang.Thread.run(Thread.java:619)
仔细看了看,原来是在strut2的Action当中return SUCCESS
改成null就行了
本文详细介绍了在使用 Struts2 框架时遇到的一个常见错误:Servlet.service() for servlet default threw exception java.lang.IllegalStateException。通过将 Action 方法中的 return SUCCESS 更改为 null,成功解决了该问题。文章提供了错误堆栈信息的分析和解决步骤,对于熟悉 Struts2 和 Java 开发者来说,是一篇实用的技术指导。
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