Hi,
I am using JBoss3.0.7+Tomcat4.1.24 on RedHat9.0
there is a tt.war project in /server/all/deploy/ directory
it includes JSP and servlet.

Last week, I had found some error message, it just said servlet.service() Exception, and something like SocketOutputStream, and I can't tell which JSP or servlet throw this error... how can I debug this problem?

thanks for reply~~~ ^_^

JBoss server.log error message here :
2003-12-02 14:42:23,952 ERROR [org.jboss.web.localhost.Engine] StandardWrapperValve[default]: Servlet.service() for servlet default threw exception
java.net.SocketException: Connection reset
at java.net.SocketOutputStream.socketWrite(SocketOutputStream.java:96)
at java.net.SocketOutputStream.write(SocketOutputStream.java:136)
at org.apache.coyote.http11.InternalOutputBuffer$OutputStreamOutputBuffer.doWrite(InternalOutputBuffer.java:668)
at org.apache.coyote.http11.filters.IdentityOutputFilter.doWrite(IdentityOutputFilter.java:160)
at org.apache.coyote.http11.InternalOutputBuffer.doWrite(InternalOutputBuffer.java:523)
at org.apache.coyote.Response.doWrite(Response.java:524)
at org.apache.coyote.tomcat4.OutputBuffer.realWriteBytes(OutputBuffer.java:384)
at org.apache.tomcat.util.buf.ByteChunk.flushBuffer(ByteChunk.java:439)
at org.apache.tomcat.util.buf.ByteChunk.append(ByteChunk.java:359)
at org.apache.coyote.tomcat4.OutputBuffer.writeBytes(OutputBuffer.java:411)
at org.apache.coyote.tomcat4.OutputBuffer.write(OutputBuffer.java:398)
at org.apache.coyote.tomcat4.CoyoteOutputStream.write(CoyoteOutputStream.java:110)
at org.apache.catalina.servlets.DefaultServlet.copyRange(DefaultServlet.java:1996)
at org.apache.catalina.servlets.DefaultServlet.copy(DefaultServlet.java:1745)
at org.apache.catalina.servlets.DefaultServlet.serveResource(DefaultServlet.java:1073)
at org.apache.catalina.servlets.DefaultServlet.doGet(DefaultServlet.java:506)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:740)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:247)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:193)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:256)
at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:643)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:643)
at org.apache.catalina.valves.CertificatesValve.invoke(CertificatesValve.java:246)
at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:641)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
at org.apache.catalina.core.StandardContext.invoke(StandardContext.java:2415)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:180)
at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:643)
at org.apache.catalina.valves.ErrorDispatcherValve.invoke(ErrorDispatcherValve.java:171)
at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:641)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:172)
at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:641)
at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:509)
at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:641)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:174)
at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:643)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
at org.apache.coyote.tomcat4.CoyoteAdapter.service(CoyoteAdapter.java:223)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:594)
at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11Protocol.java:392)
at org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoint.java:565)
at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:619)
at java.lang.Thread.run(Thread.java:534)