The server encountered an internal error () that prevented it from fulfilling th

The server encountered an internal error () that prevented it from fulfilling this request是那里错

The server encountered an internal error () that prevented it from fulfilling this request是那里错了?
HTTP   Status   500   -  

--------------------------------------------

type   Exception   report

message  

description   The   server   encountered   an   internal   error   ()   that   prevented   it   from   fulfilling   this   request.

exception  

javax.servlet.ServletException
at   org.apache.struts.action.RequestProcessor.processException(RequestProcessor.java:523)
at   org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:421)
at   org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:224)
at   org.apache.struts.action.ActionServlet.process(ActionServlet.java:1194)
at   org.apache.struts.action.ActionServlet.doPost(ActionServlet.java:432)
at   javax.servlet.http.HttpServlet.service(HttpServlet.java:716)
at   javax.servlet.http.HttpServlet.service(HttpServlet.java:809)
at   org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:200)
at   org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:146)
at   fcube.util.CRMEncoding.doFilter(CRMEncoding.java:169)
at   org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:166)
at   org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:146)
at   org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:209)
at   org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:596)
at   org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:433)
at   org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:948)
at   org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:144)
at   org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:596)
at   org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:433)
at   org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:948)
at   org.apache.catalina.core.StandardContext.invoke(StandardContext.java:2358)
at   org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:133)
at   org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:596)
at   org.apache.catalina.valves.ErrorDispatcherValve.invoke(ErrorDispatcherValve.java:118)
at   org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:594)
at   org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:116)
at   org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:594)
at   org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:433)
at   org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:948)
at   org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:127)
at   org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:596)
at   org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:433)
at   org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:948)
at   org.apache.coyote.tomcat4.CoyoteAdapter.service(CoyoteAdapter.java:152)
at   org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:799)


at   org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11Protocol.java:705)
at   org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoint.java:577)
at   org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:683)
at   java.lang.Thread.run(Thread.java:534)


root   cause  

java.lang.NullPointerException
at   business.test.UserInsertAction.execute(UserInsertAction.java:46)
at   org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:419)
at   org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:224)
at   org.apache.struts.action.ActionServlet.process(ActionServlet.java:1194)
at   org.apache.struts.action.ActionServlet.doPost(ActionServlet.java:432)
at   javax.servlet.http.HttpServlet.service(HttpServlet.java:716)
at   javax.servlet.http.HttpServlet.service(HttpServlet.java:809)
at   org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:200)
at   org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:146)
at   fcube.util.CRMEncoding.doFilter(CRMEncoding.java:169)
at   org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:166)
at   org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:146)
at   org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:209)
at   org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:596)
at   org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:433)
at   org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:948)
at   org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:144)
at   org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:596)
at   org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:433)
at   org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:948)
at   org.apache.catalina.core.StandardContext.invoke(StandardContext.java:2358)
at   org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:133)
at   org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:596)
at   org.apache.catalina.valves.ErrorDispatcherValve.invoke(ErrorDispatcherValve.java:118)
at   org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:594)
at   org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:116)
at   org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:594)
at   org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:433)
at   org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:948)
at   org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:127)
at   org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:596)
at   org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:433)
at   org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:948)
at   org.apache.coyote.tomcat4.CoyoteAdapter.service(CoyoteAdapter.java:152)
at   org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:799)
at   org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11Protocol.java:705)


at   org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoint.java:577)
at   org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:683)
at   java.lang.Thread.run(Thread.java:534)


--------------------------------------------

Apache   Tomcat/4.1.31

[解决办法]
检查你的这个文件CRMEncoding.java,没猜错的话就是doFilter有错误
[解决办法]
java.lang.NullPointerException
at business.test.UserInsertAction.execute(UserInsertAction.java:46)

原因已经告诉你了~
[解决办法]
tomcat服务器没有启动.
我的异常网推荐解决方案:The server encountered an internal error () that prevented it from fulfilling this request.,http://www.myexception.cn/java-web/317.html