Howdy, It works OK normally, and then during stress test throws a NoClassDefFound error????
How do you have your connector configured? Specifically, min/maxProcessors and acceptCount? Yoav Shapira Millennium ChemInformatics >-----Original Message----- >From: Chakravarthy, Sundar [mailto:[EMAIL PROTECTED] >Sent: Wednesday, February 26, 2003 9:02 AM >To: Tomcat Users List >Subject: Tomcat 4.1.18 - Scalability Issue ? > >Hi , > >I have a single instance of Tomcat in the following environment, > >Apache 2.x - Mod_jk2 - Tomcat 4.1.18 - - - Solaris 5.8 > > - 2 GB RAM , Xms512m, Xmx512m > >However, when I try to stress-test Tomcat with 10 or more Threads using >Jmeter, I get the following exception quite consistently. > >Is is a bug ? > > >Thanks >Sundar > >2003-02-25 11:34:03 StandardWrapperValve[jsp]: Servlet.service() for >servlet jsp threw exception >javax.servlet.ServletException: org/apache/jasper/runtime/HttpJspBase > at >org.apache.jasper.servlet.JspServlet.service(JspServlet.java:249) > at javax.servlet.http.HttpServlet.service(HttpServlet.java:853) > at >org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Applic a >tionFilterChain.java:247) > at >org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFil t >erChain.java:193) > at >org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperVal v >e.java:260) > at >org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext. i >nvokeNext(StandardPipeline.java:643) > at >org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java: 4 >80) > at >org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995) > at >org.apache.catalina.core.StandardContextValve.invoke(StandardContextVal v >e.java:191) > at >org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext. i >nvokeNext(StandardPipeline.java:643) > at >org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java: 4 >80) > at >org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995) > at >org.apache.catalina.core.StandardContext.invoke(StandardContext.java:24 1 >5) > at >org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.jav a >:180) > at >org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext. i >nvokeNext(StandardPipeline.java:643) > at >org.apache.catalina.valves.ErrorDispatcherValve.invoke(ErrorDispatcherV a >lve.java:170) > at >org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext. i >nvokeNext(StandardPipeline.java:641) > at >org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.jav a >:172) > at >org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext. i >nvokeNext(StandardPipeline.java:641) > at >org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java: 4 >80) > at >org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995) > at >org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve . >java:174) > at >org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext. i >nvokeNext(StandardPipeline.java:643) > at >org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java: 4 >80) > at >org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995) > at >org.apache.coyote.tomcat4.CoyoteAdapter.service(CoyoteAdapter.java:223) > at >org.apache.jk.server.JkCoyoteHandler.invoke(JkCoyoteHandler.java:261) > at >org.apache.jk.common.HandlerRequest.invoke(HandlerRequest.java:360) > at >org.apache.jk.common.ChannelSocket.invoke(ChannelSocket.java:632) > at >org.apache.jk.common.ChannelSocket.processConnection(ChannelSocket.java : >590) > at >org.apache.jk.common.SocketConnection.runIt(ChannelSocket.java:707) > at >org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPoo l >.java:530) > at java.lang.Thread.run(Thread.java:536) >----- Root Cause ----- >java.lang.NoClassDefFoundError: org/apache/jasper/runtime/HttpJspBase > at java.lang.ClassLoader.defineClass0(Native Method) > at java.lang.ClassLoader.defineClass(ClassLoader.java:502) > at java.lang.ClassLoader.defineClass(ClassLoader.java:431) > at >org.apache.jasper.servlet.JasperLoader.loadClass(JasperLoader.java:215) > at >org.apache.jasper.servlet.JasperLoader.loadClass(JasperLoader.java:131) > at >org.apache.jasper.JspCompilationContext.load(JspCompilationContext.java : >504) > at >org.apache.jasper.servlet.JspServletWrapper.getServlet(JspServletWrappe r >.java:145) > at >org.apache.jasper.compiler.Compiler.isOutDated(Compiler.java:411) > at >org.apache.jasper.compiler.Compiler.isOutDated(Compiler.java:361) > at >org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.j a >va:472) > at >org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.j a >va:184) > at >org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:295 ) > at >org.apache.jasper.servlet.JspServlet.service(JspServlet.java:241) > at javax.servlet.http.HttpServlet.service(HttpServlet.java:853) > at >org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Applic a >tionFilterChain.java:247) > at >org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFil t >erChain.java:193) > at >org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperVal v >e.java:260) > at >org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext. i >nvokeNext(StandardPipeline.java:643) > at >org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java: 4 >80) > at >org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995) > at >org.apache.catalina.core.StandardContextValve.invoke(StandardContextVal v >e.java:191) > at >org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext. i >nvokeNext(StandardPipeline.java:643) > at >org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java: 4 >80) > at >org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995) > at >org.apache.catalina.core.StandardContext.invoke(StandardContext.java:24 1 >5) > at >org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.jav a >:180) > at >org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext. i >nvokeNext(StandardPipeline.java:643) > at >org.apache.catalina.valves.ErrorDispatcherValve.invoke(ErrorDispatcherV a >lve.java:170) > at >org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext. i >nvokeNext(StandardPipeline.java:641) > at >org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.jav a >:172) > at >org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext. i >nvokeNext(StandardPipeline.java:641) > at >org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java: 4 >80) > 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$StandardPipelineValveContext. i >nvokeNext(StandardPipeline.java:643) > at >org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java: 4 >80) > at >org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995) > at >org.apache.coyote.tomcat4.CoyoteAdapter.service(CoyoteAdapter.java:223) > at >org.apache.jk.server.JkCoyoteHandler.invoke(JkCoyoteHandler.java:261) > at >org.apache.jk.common.HandlerRequest.invoke(HandlerRequest.java:360) > at >org.apache.jk.common.ChannelSocket.invoke(ChannelSocket.java:632) > at >org.apache.jk.common.ChannelSocket.processConnection(ChannelSocket.java : >590) > at >org.apache.jk.common.SocketConnection.runIt(ChannelSocket.java:707) > at >org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPoo l >.java:530) > at java.lang.Thread.run(Thread.java:536) > > >Thanks >Sundar > >--------------------------------------------------------------------- >To unsubscribe, e-mail: [EMAIL PROTECTED] >For additional commands, e-mail: [EMAIL PROTECTED] > > >--------------------------------------------------------------------- >To unsubscribe, e-mail: [EMAIL PROTECTED] >For additional 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