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Unable to locate classes at runtime ???

 
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Hello,

Our application, has of late started giving a wird error oocaisonally. It is observed that this error is thrown sometimes. If the server is reatarted , this error stops.

My understanding is that :

This type of an error is usually seen when the CLASS files are NOT found by the application. I.e the application tries to parse the XML and generate a Java Object. However it DOES NOT find the required class and hence it is NOT able to parse the XML.So the question is WHY does it NOT find the class. Note : The JARS(class files) are naturally ok after a restart this issue was taken care of. So we need to find out why the server was NOT able to find the class at runtime � Maybe some issues with Class loader or can it be some other errors made the box unstable (I have never heard anything like that though).

I am posting it under websphere as I know for certain that this is NOT an issue related to classpath or JARS etc. We are using Websphere Application Server 5.0.2

Kindly advice.

Thanks for the help,
Milan

The error stacktrace :








java.lang.reflect.InvocationTargetException: com.wellsfargo.uw.perform.EcprXmlException: org.xml.sax.SAXException: Invalid element in com.wellsfargo.service.provider.ecpr.shared.memento2004.AccountInfo_Type - rpmAccountIndicator error going to the server at com.wellsfargo.uw.perform.StreamlinedAddressChange.getSacAddresses(StreamlinedAddressChange.java:61) at java.lang.reflect.Method.invoke(Native Method) at com.epiphany.shr.ecs.access.java.JavaPort.makeCall(JavaPort.java:139) at com.epiphany.shr.ecs.components.Port.makeCall(Port.java:226) at com.epiphany.shr.ecs.components.Port.invoke(Port.java:301) at com.epiphany.shr.ecs.components.Port.invoke(Port.java:316) at com.epiphany.shr.ecs.access.eai.EAIAccess.getSyncResponseParameter(EAIAccess.java:231) at com.epiphany.shr.ecs.access.eai.EAIAccess.getSyncResponse(EAIAccess.java:135) at com.epiphany.shr.mi.webservices.WSProviderImpl.invokeMethod(WSProviderImpl.java:67) at com.epiphany.shr.mi.shr.MIProviderImpl.query(MIProviderImpl.java:363) at com.epiphany.shr.util.async.EAIRunnable.internalRun(EAIRunnable.java(Compiled Code)) at com.epiphany.shr.util.threadpool.LocalBlockingRunnableWithTimeout.run(LocalBlockingRunnableWithTimeout.java:119) at EDU.oswego.cs.dl.util.concurrent.PooledExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Thread.java:513)com.epiphany.shr.ecs.exceptions.EEWSRuntimeException: Exception when calling com.wellsfargo.uw.perform.StreamlinedAddressChange.null() at com.epiphany.shr.ecs.access.java.JavaPort.makeCall(JavaPort.java:142) at com.epiphany.shr.ecs.components.Port.makeCall(Port.java:226) at com.epiphany.shr.ecs.components.Port.invoke(Port.java:301) at com.epiphany.shr.ecs.components.Port.invoke(Port.java:316) at com.epiphany.shr.ecs.access.eai.EAIAccess.getSyncResponseParameter(EAIAccess.java:231) at com.epiphany.shr.ecs.access.eai.EAIAccess.getSyncResponse(EAIAccess.java:135) at com.epiphany.shr.mi.webservices.WSProviderImpl.invokeMethod(WSProviderImpl.java:67) at com.epiphany.shr.mi.shr.MIProviderImpl.query(MIProviderImpl.java:363) at com.epiphany.shr.util.async.EAIRunnable.internalRun(EAIRunnable.java(Compiled Code)) at com.epiphany.shr.util.threadpool.LocalBlockingRunnableWithTimeout.run(LocalBlockingRunnableWithTimeout.java:119) at EDU.oswego.cs.dl.util.concurrent.PooledExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Thread.java:513)com.epiphany.shr.ecs.access.eai.EAINoResponseReceived: Exception while invoking external system method. at com.epiphany.shr.mi.webservices.WSProviderImpl.invokeMethod(WSProviderImpl.java:70) at com.epiphany.shr.mi.shr.MIProviderImpl.query(MIProviderImpl.java:363) at com.epiphany.shr.util.async.EAIRunnable.internalRun(EAIRunnable.java(Compiled Code)) at com.epiphany.shr.util.threadpool.LocalBlockingRunnableWithTimeout.run(LocalBlockingRunnableWithTimeout.java:119) at EDU.oswego.cs.dl.util.concurrent.PooledExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Thread.java:513)com.epiphany.shr.data.dp.exception.DPException: Exception while performing a QUERY operation. at com.epiphany.shr.mi.shr.MIProviderImpl.query(MIProviderImpl.java:385) at com.epiphany.shr.util.async.EAIRunnable.internalRun(EAIRunnable.java(Compiled Code)) at com.epiphany.shr.util.threadpool.LocalBlockingRunnableWithTimeout.run(LocalBlockingRunnableWithTimeout.java:119) at EDU.oswego.cs.dl.util.concurrent.PooledExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Thread.java:513)com.epiphany.shr.ui.view.tags.EpiTagException: System exception while firing customization extensions at com.epiphany.shr.ui.view.tags.FormTag.fireExtensions(FormTag.java(Compiled Code)) at com.epiphany.shr.ui.view.tags.FormTag.doEpnyStartTag(FormTag.java(Compiled Code)) at com.epiphany.shr.ui.view.tags.EpnyBodyTagSupport.doStartTag(EpnyBodyTagSupport.java(Compiled Code)) at org.apache.jsp._Sales_5F_Detail_5F_Shell_5F_F0A6224493564E619CDF3AD54FD3301C._jspService(_Sales_5F_Detail_5F_Shell_5F_F0A6224493564E619CDF3AD54FD3301C.java:105) at com.ibm.ws.webcontainer.jsp.runtime.HttpJspBase.service(HttpJspBase.java(Compiled Code)) at javax.servlet.http.HttpServlet.service(HttpServlet.java(Compiled Code)) at com.ibm.ws.webcontainer.jsp.servlet.JspServlet$JspServletWrapper.service(JspServlet.java(Compiled Code)) at com.ibm.ws.webcontainer.jsp.servlet.JspServlet.serviceJspFile(JspServlet.java(Compiled Code)) at com.ibm.ws.webcontainer.jsp.servlet.JspServlet.service(JspServlet.java(Compiled Code)) at javax.servlet.http.HttpServlet.service(HttpServlet.java(Compiled Code)) at com.ibm.ws.webcontainer.servlet.StrictServletInstance.doService(StrictServletInstance.java(Compiled Code)) at com.ibm.ws.webcontainer.servlet.StrictLifecycleServlet._service(StrictLifecycleServlet.java(Compiled Code)) at com.ibm.ws.webcontainer.servlet.ServicingServletState.service(StrictLifecycleServlet.java(Compiled Code)) at com.ibm.ws.webcontainer.servlet.StrictLifecycleServlet.service(StrictLifecycleServlet.java(Inlined Compiled Code)) at com.ibm.ws.webcontainer.servlet.ServletInstance.service(ServletInstance.java(Compiled Code)) at com.ibm.ws.webcontainer.servlet.ValidServletReferenceState.dispatch(ValidServletReferenceState.java(Compiled Code)) at com.ibm.ws.webcontainer.servlet.ServletInstanceReference.dispatch(ServletInstanceReference.java(Inlined Compiled Code)) at com.ibm.ws.webcontainer.webapp.WebAppRequestDispatcher.handleWebAppDispatch(WebAppRequestDispatcher.java(Compiled Code)) at com.ibm.ws.webcontainer.webapp.WebAppRequestDispatcher.dispatch(WebAppRequestDispatcher.java(Compiled Code)) at com.ibm.ws.webcontainer.webapp.WebAppRequestDispatcher.include(WebAppRequestDispatcher.java(Compiled Code)) at com.epiphany.shr.ui.controller.ControllerServlet.includePage(ControllerServlet.java(Compiled Code)) at com.epiphany.shr.ui.controller.ControllerServlet.includeForm(ControllerServlet.java(Compiled Code)) at com.epiphany.shr.ui.view.tags.UseFormTag.doEpnyEndTag(UseFormTag.java(Compiled Code)) at com.epiphany.shr.ui.view.tags.EpnyBodyTagSupport.doEndTag(EpnyBodyTagSupport.java(Compiled Code)) at org.apache.jsp._root._jspService(_root.java:570) at com.ibm.ws.webcontainer.jsp.runtime.HttpJspBase.service(HttpJspBase.java(Compiled Code)) at javax.servlet.http.HttpServlet.service(HttpServlet.java(Compiled Code)) at com.ibm.ws.webcontainer.jsp.servlet.JspServlet$JspServletWrapper.service(JspServlet.java(Compiled Code)) at com.ibm.ws.webcontainer.jsp.servlet.JspServlet.serviceJspFile(JspServlet.java(Compiled Code)) at com.ibm.ws.webcontainer.jsp.servlet.JspServlet.service(JspServlet.java(Compiled Code)) at javax.servlet.http.HttpServlet.service(HttpServlet.java(Compiled Code)) at com.ibm.ws.webcontainer.servlet.StrictServletInstance.doService(StrictServletInstance.java(Compiled Code)) at com.ibm.ws.webcontainer.servlet.StrictLifecycleServlet._service(StrictLifecycleServlet.java(Compiled Code)) at com.ibm.ws.webcontainer.servlet.IdleServletState.service(StrictLifecycleServlet.java:313) at com.ibm.ws.webcontainer.servlet.StrictLifecycleServlet.service(StrictLifecycleServlet.java(Inlined Compiled Code)) at com.ibm.ws.webcontainer.servlet.ServletInstance.service(ServletInstance.java(Compiled Code)) at com.ibm.ws.webcontainer.servlet.ValidServletReferenceState.dispatch(ValidServletReferenceState.java(Compiled Code)) at com.ibm.ws.webcontainer.servlet.ServletInstanceReference.dispatch(ServletInstanceReference.java(Inlined Compiled Code)) at com.ibm.ws.webcontainer.webapp.WebAppRequestDispatcher.handleWebAppDispatch(WebAppRequestDispatcher.java(Compiled Code)) at com.ibm.ws.webcontainer.webapp.WebAppRequestDispatcher.dispatch(WebAppRequestDispatcher.java(Compiled Code)) at com.ibm.ws.webcontainer.webapp.WebAppRequestDispatcher.include(WebAppRequestDispatcher.java(Compiled Code)) at com.epiphany.shr.ui.controller.ControllerServlet.includePage(ControllerServlet.java(Compiled Code)) at com.epiphany.shr.ui.controller.ControllerServlet.includeScreen(ControllerServlet.java:1716) at com.epiphany.shr.ui.controller.ControllerServlet.process(ControllerServlet.java:1495) at com.epiphany.shr.ui.controller.EpnyServlet.doPost(EpnyServlet.java:531) at com.epiphany.shr.ui.controller.EpnyServlet.doPost(EpnyServlet.java:396) at javax.servlet.http.HttpServlet.service(HttpServlet.java:760) at com.epiphany.shr.ui.controller.EpnyServlet.service(EpnyServlet.java:413) at javax.servlet.http.HttpServlet.service(HttpServlet.java(Compiled Code)) at com.ibm.ws.webcontainer.servlet.StrictServletInstance.doService(StrictServletInstance.java(Compiled Code)) at com.ibm.ws.webcontainer.servlet.StrictLifecycleServlet._service(StrictLifecycleServlet.java(Compiled Code)) at com.ibm.ws.webcontainer.servlet.IdleServletState.service(StrictLifecycleServlet.java:313) at com.ibm.ws.webcontainer.servlet.StrictLifecycleServlet.service(StrictLifecycleServlet.java(Inlined Compiled Code)) at com.ibm.ws.webcontainer.servlet.ServletInstance.service(ServletInstance.java(Compiled Code)) at com.ibm.ws.webcontainer.servlet.ValidServletReferenceState.dispatch(ValidServletReferenceState.java(Compiled Code)) at com.ibm.ws.webcontainer.servlet.ServletInstanceReference.dispatch(ServletInstanceReference.java(Inlined Compiled Code)) at com.ibm.ws.webcontainer.webapp.WebAppRequestDispatcher.handleWebAppDispatch(WebAppRequestDispatcher.java(Compiled Code)) at com.ibm.ws.webcontainer.webapp.WebAppRequestDispatcher.dispatch(WebAppRequestDispatcher.java(Compiled Code)) at com.ibm.ws.webcontainer.webapp.WebAppRequestDispatcher.forward(WebAppRequestDispatcher.java:176) at com.ibm.ws.webcontainer.srt.WebAppInvoker.doForward(WebAppInvoker.java:79) at com.ibm.ws.webcontainer.srt.WebAppInvoker.handleInvocationHook(WebAppInvoker.java:201) at com.ibm.ws.webcontainer.cache.invocation.CachedInvocation.handleInvocation(CachedInvocation.java:71) at com.ibm.ws.webcontainer.cache.invocation.CacheableInvocationContext.invoke(CacheableInvocationContext.java:114) at com.ibm.ws.webcontainer.srp.ServletRequestProcessor.dispatchByURI(ServletRequestProcessor.java:186) at com.ibm.ws.webcontainer.oselistener.OSEListenerDispatcher.service(OSEListener.java:334) at com.ibm.ws.webcontainer.http.HttpConnection.handleRequest(HttpConnection.java:56) at com.ibm.ws.http.HttpConnection.readAndHandleRequest(HttpConnection.java(Compiled Code)) at com.ibm.ws.http.HttpConnection.run(HttpConnection.java:435) at com.ibm.ws.util.ThreadPool$Worker.run(ThreadPool.java:593)
 
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