Amongst many problems this is a repeatable error now. Anyone have any ideas?

HTTP Status 500 -

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type Exception report

message

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

exception

javax.servlet.ServletException: Servlet execution threw an exception
at org.apache.catalina.core.ApplicationFilterChain.in ternalDoFilter(ApplicationFilterChain.java:222)
at org.apache.catalina.core.ApplicationFilterChain.do Filter(ApplicationFilterChain.java:146)
at org.apache.catalina.core.StandardWrapperValve.invo ke(StandardWrapperValve.java:209)
at org.apache.catalina.core.StandardPipeline$Standard PipelineValveContext.invokeNext(StandardPipeline.j ava:596)
at org.apache.catalina.core.StandardPipeline.invoke(S tandardPipeline.java:433)
at org.apache.catalina.core.ContainerBase.invoke(Cont ainerBase.java:948)
at org.apache.catalina.core.StandardContextValve.invo ke(StandardContextValve.java:144)
at org.apache.catalina.core.StandardPipeline$Standard PipelineValveContext.invokeNext(StandardPipeline.j ava:596)
at org.apache.catalina.authenticator.AuthenticatorBas e.invoke(AuthenticatorBase.java:504)
at org.apache.catalina.core.StandardPipeline$Standard PipelineValveContext.invokeNext(StandardPipeline.j ava:594)
at org.apache.catalina.core.StandardPipeline.invoke(S tandardPipeline.java:433)
at org.apache.catalina.core.ContainerBase.invoke(Cont ainerBase.java:948)
at org.apache.catalina.core.StandardContext.invoke(St andardContext.java:2358)
at org.apache.catalina.core.StandardHostValve.invoke( StandardHostValve.java:133)
at org.apache.catalina.core.StandardPipeline$Standard PipelineValveContext.invokeNext(StandardPipeline.j ava:596)
at org.apache.catalina.valves.ErrorDispatcherValve.in voke(ErrorDispatcherValve.java:118)
at org.apache.catalina.core.StandardPipeline$Standard PipelineValveContext.invokeNext(StandardPipeline.j ava:594)
at org.apache.catalina.valves.ErrorReportValve.invoke (ErrorReportValve.java:116)
at org.apache.catalina.core.StandardPipeline$Standard PipelineValveContext.invokeNext(StandardPipeline.j ava:594)
at org.apache.catalina.core.StandardPipeline.invoke(S tandardPipeline.java:433)
at org.apache.catalina.core.ContainerBase.invoke(Cont ainerBase.java:948)
at org.apache.catalina.core.StandardEngineValve.invok e(StandardEngineValve.java:127)
at org.apache.catalina.core.StandardPipeline$Standard PipelineValveContext.invokeNext(StandardPipeline.j ava:596)
at org.apache.catalina.core.StandardPipeline.invoke(S tandardPipeline.java:433)
at org.apache.catalina.core.ContainerBase.invoke(Cont ainerBase.java:948)
at org.apache.coyote.tomcat4.CoyoteAdapter.service(Co yoteAdapter.java:152)
at org.apache.jk.server.JkCoyoteHandler.invoke(JkCoyo teHandler.java:300)
at org.apache.jk.common.HandlerRequest.invoke(Handler Request.java:374)
at org.apache.jk.common.ChannelSocket.invoke(ChannelS ocket.java:743)
at org.apache.jk.common.ChannelSocket.processConnecti on(ChannelSocket.java:675)
at org.apache.jk.common.SocketConnection.runIt(Channe lSocket.java:866)
at org.apache.tomcat.util.threads.ThreadPool$ControlR unnable.run(ThreadPool.java:683)
at java.lang.Thread.run(Thread.java:534)


root cause

java.lang.NoClassDefFoundError: com/novell/nps/debug/DebugLogEvent
at com.novell.emframe.dev.D.log(D.java:213)
at com.novell.emframe.dev.D.log(D.java:186)
at com.novell.emframe.fw.servlet.AuthenticatorServlet .service(AuthenticatorServlet.java:295)
at javax.servlet.http.HttpServlet.service(HttpServlet .java:809)
at org.apache.catalina.core.ApplicationFilterChain.in ternalDoFilter(ApplicationFilterChain.java:200)
at org.apache.catalina.core.ApplicationFilterChain.do Filter(ApplicationFilterChain.java:146)
at org.apache.catalina.core.StandardWrapperValve.invo ke(StandardWrapperValve.java:209)
at org.apache.catalina.core.StandardPipeline$Standard PipelineValveContext.invokeNext(StandardPipeline.j ava:596)
at org.apache.catalina.core.StandardPipeline.invoke(S tandardPipeline.java:433)
at org.apache.catalina.core.ContainerBase.invoke(Cont ainerBase.java:948)
at org.apache.catalina.core.StandardContextValve.invo ke(StandardContextValve.java:144)
at org.apache.catalina.core.StandardPipeline$Standard PipelineValveContext.invokeNext(StandardPipeline.j ava:596)
at org.apache.catalina.authenticator.AuthenticatorBas e.invoke(AuthenticatorBase.java:504)
at org.apache.catalina.core.StandardPipeline$Standard PipelineValveContext.invokeNext(StandardPipeline.j ava:594)
at org.apache.catalina.core.StandardPipeline.invoke(S tandardPipeline.java:433)
at org.apache.catalina.core.ContainerBase.invoke(Cont ainerBase.java:948)
at org.apache.catalina.core.StandardContext.invoke(St andardContext.java:2358)
at org.apache.catalina.core.StandardHostValve.invoke( StandardHostValve.java:133)
at org.apache.catalina.core.StandardPipeline$Standard PipelineValveContext.invokeNext(StandardPipeline.j ava:596)
at org.apache.catalina.valves.ErrorDispatcherValve.in voke(ErrorDispatcherValve.java:118)
at org.apache.catalina.core.StandardPipeline$Standard PipelineValveContext.invokeNext(StandardPipeline.j ava:594)
at org.apache.catalina.valves.ErrorReportValve.invoke (ErrorReportValve.java:116)
at org.apache.catalina.core.StandardPipeline$Standard PipelineValveContext.invokeNext(StandardPipeline.j ava:594)
at org.apache.catalina.core.StandardPipeline.invoke(S tandardPipeline.java:433)
at org.apache.catalina.core.ContainerBase.invoke(Cont ainerBase.java:948)
at org.apache.catalina.core.StandardEngineValve.invok e(StandardEngineValve.java:127)
at org.apache.catalina.core.StandardPipeline$Standard PipelineValveContext.invokeNext(StandardPipeline.j ava:596)
at org.apache.catalina.core.StandardPipeline.invoke(S tandardPipeline.java:433)
at org.apache.catalina.core.ContainerBase.invoke(Cont ainerBase.java:948)
at org.apache.coyote.tomcat4.CoyoteAdapter.service(Co yoteAdapter.java:152)
at org.apache.jk.server.JkCoyoteHandler.invoke(JkCoyo teHandler.java:300)
at org.apache.jk.common.HandlerRequest.invoke(Handler Request.java:374)
at org.apache.jk.common.ChannelSocket.invoke(ChannelS ocket.java:743)
at org.apache.jk.common.ChannelSocket.processConnecti on(ChannelSocket.java:675)
at org.apache.jk.common.SocketConnection.runIt(Channe lSocket.java:866)
at org.apache.tomcat.util.threads.ThreadPool$ControlR unnable.run(ThreadPool.java:683)
at java.lang.Thread.run(Thread.java:534)



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Apache Tomcat/4.1.31