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Websphere Migration and Struts

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frunkee

frunkee

Programmer
Oct 23, 2006
1
US
I'm getting the following error when starting up an application migrated from Websphere 4 to 6. Any clue on what it could be? The application installs cleanly, but during startup it throws this error.

[10/20/06 16:01:17:692 EDT] 00000022 SystemErr R java.lang.NullPointerException
at com.ibm.ws.jsp.taglib.TldParser.endElement(TldParser.java(Compiled Code))
at org.apache.xerces.parsers.AbstractSAXParser.endElement(Unknown Source)
at org.apache.xerces.impl.dtd.XMLNSDTDValidator.endNamespaceScope(Unknown Source)
at org.apache.xerces.impl.dtd.XMLDTDValidator.handleEndElement(Unknown Source)
at org.apache.xerces.impl.dtd.XMLDTDValidator.endElement(Unknown Source)
at org.apache.xerces.impl.XMLNSDocumentScannerImpl.scanEndElement(Unknown Source)
at org.apache.xerces.impl.XMLDocumentFragmentScannerImpl$FragmentContentDispatcher.dispatch(Unknown Source)
at org.apache.xerces.impl.XMLDocumentFragmentScannerImpl.scanDocument(Unknown Source)
at org.apache.xerces.parsers.XML11Configuration.parse(Unknown Source)
at org.apache.xerces.parsers.XML11Configuration.parse(Unknown Source)
at org.apache.xerces.parsers.XMLParser.parse(Unknown Source)
at org.apache.xerces.parsers.AbstractSAXParser.parse(Unknown Source)
at javax.xml.parsers.SAXParser.parse(Unknown Source)
at javax.xml.parsers.SAXParser.parse(Unknown Source)
at com.ibm.ws.jsp.translator.visitor.xml.ParserFactory.parseDocument(ParserFactory.java:104)
at com.ibm.ws.jsp.taglib.TldParser.parse(TldParser.java:271)
at com.ibm.ws.jsp.taglib.TldParser.parseTLD(TldParser.java:231)
at com.ibm.ws.jsp.taglib.TagLibraryCache.loadWebXmlMap(TagLibraryCache.java:151)
at com.ibm.ws.jsp.taglib.TagLibraryCache.<init>(TagLibraryCache.java:93)
at com.ibm.ws.jsp.webcontainerext.JSPExtensionProcessor.<init>(JSPExtensionProcessor.java:165)
at com.ibm.ws.jsp.webcontainerext.JSPExtensionFactory.createExtensionProcessor(JSPExtensionFactory.java:96)
at com.ibm.ws.webcontainer.webapp.WebApp.initializeExtensionProcessors(WebApp.java:1102)
at com.ibm.ws.webcontainer.webapp.WebApp.initialize(WebApp.java:384)
at com.ibm.ws.webcontainer.webapp.WebGroup.addWebApplication(WebGroup.java:115)
at com.ibm.ws.webcontainer.VirtualHost.addWebApplication(VirtualHost.java:128)
at com.ibm.ws.webcontainer.WebContainer.addWebApp(WebContainer.java:905)
at com.ibm.ws.webcontainer.WebContainer.addWebApplication(WebContainer.java:858)
at com.ibm.ws.runtime.component.WebContainerImpl.install(WebContainerImpl.java:167)
at com.ibm.ws.runtime.component.WebContainerImpl.start(WebContainerImpl.java:391)
at com.ibm.ws.runtime.component.ApplicationMgrImpl.start(ApplicationMgrImpl.java:1228)
at com.ibm.ws.runtime.component.DeployedApplicationImpl.fireDeployedObjectStart(DeployedApplicationImpl.java:1067)
at com.ibm.ws.runtime.component.DeployedModuleImpl.start(DeployedModuleImpl.java:547)
at com.ibm.ws.runtime.component.DeployedApplicationImpl.start(DeployedApplicationImpl.java:751)
at com.ibm.ws.runtime.component.ApplicationMgrImpl.startApplication(ApplicationMgrImpl.java:892)
at com.ibm.ws.runtime.component.ApplicationMgrImpl.startApplication(ApplicationMgrImpl.java:1412)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java(Compiled Code))
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java(Compiled Code))
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java(Compiled Code))
at java.lang.reflect.Method.invoke(Method.java(Compiled Code))
at javax.management.modelmbean.RequiredModelMBean.invokeMethod(RequiredModelMBean.java:1366)
at javax.management.modelmbean.RequiredModelMBean.invoke(RequiredModelMBean.java:1012)
at mx4j.server.interceptor.InvokerMBeanServerInterceptor.invoke(InvokerMBeanServerInterceptor.java:233)
at mx4j.server.interceptor.DefaultMBeanServerInterceptor.invoke(DefaultMBeanServerInterceptor.java:128)
at mx4j.server.interceptor.SecurityMBeanServerInterceptor.invoke(SecurityMBeanServerInterceptor.java:86)
at mx4j.server.interceptor.DefaultMBeanServerInterceptor.invoke(DefaultMBeanServerInterceptor.java:128)
at mx4j.server.interceptor.DefaultMBeanServerInterceptor.invoke(DefaultMBeanServerInterceptor.java:128)
at mx4j.server.interceptor.ContextClassLoaderMBeanServerInterceptor.invoke(ContextClassLoaderMBeanServerInterceptor.java:167)
at mx4j.server.MX4JMBeanServer.invoke(MX4JMBeanServer.java:1249)
at com.ibm.ws.management.AdminServiceImpl$1.run(AdminServiceImpl.java:990)
at com.ibm.ws.security.util.AccessController.doPrivileged(AccessController.java(Compiled Code))
at com.ibm.ws.management.AdminServiceImpl.invoke(AdminServiceImpl.java:906)
at com.ibm.ws.management.application.sync.StartDeploymentTask.startDeployment(StartDeploymentTask.java:196)
at com.ibm.ws.management.application.sync.StartDeploymentTask.fullAppUpdate(StartDeploymentTask.java:92)
at com.ibm.ws.management.application.sync.StartDeploymentTask.performTask(StartDeploymentTask.java:81)
at com.ibm.ws.management.application.sync.AppBinaryProcessor$AppBinThread.run(AppBinaryProcessor.java:785)
at com.ibm.ws.management.application.sync.AppBinaryProcessor.postProcess(AppBinaryProcessor.java:556)
at com.ibm.ws.management.application.sync.AppBinaryProcessor._onChangeCompletion(AppBinaryProcessor.java:368)
at com.ibm.ws.management.application.sync.AppBinaryProcessor$2.run(AppBinaryProcessor.java:340)
at com.ibm.ws.security.util.AccessController.doPrivileged(AccessController.java(Compiled Code))
at com.ibm.ws.management.application.sync.AppBinaryProcessor.onChangeCompletion(AppBinaryProcessor.java:334)
at com.ibm.ws.management.repository.FileRepository.postNotify(FileRepository.java:1674)
at com.ibm.ws.management.repository.FileRepository.update(FileRepository.java:1220)
at com.ibm.ws.management.repository.client.LocalConfigRepositoryClient.update(LocalConfigRepositoryClient.java:189)
at com.ibm.ws.sm.workspace.impl.WorkSpaceMasterRepositoryAdapter.update(WorkSpaceMasterRepositoryAdapter.java:552)
at com.ibm.ws.sm.workspace.impl.RepositoryContextImpl.update(RepositoryContextImpl.java:1767)
at com.ibm.ws.sm.workspace.impl.RepositoryContextImpl.synch(RepositoryContextImpl.java:1713)
at com.ibm.ws.sm.workspace.impl.WorkSpaceImpl.synch(WorkSpaceImpl.java:473)
at com.ibm.ws.console.core.action.SyncWorkSpaceAction.execute(SyncWorkSpaceAction.java:183)
at org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:484)
at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:275)
at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1486)
at org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:510)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:743)
at javax.servlet.http.HttpServlet.service(HttpServlet.java(Compiled Code))
at com.ibm.ws.webcontainer.servlet.ServletWrapper.service(ServletWrapper.java(Compiled Code))
at com.ibm.ws.webcontainer.servlet.ServletWrapper.service(ServletWrapper.java(Compiled Code))
at com.ibm.ws.webcontainer.filter.WebAppFilterChain.doFilter(WebAppFilterChain.java(Compiled Code))
at com.ibm.ws.console.core.servlet.WSCUrlFilter.continueStoringTaskState(WSCUrlFilter.java:306)
at com.ibm.ws.console.core.servlet.WSCUrlFilter.doFilter(WSCUrlFilter.java:185)
at com.ibm.ws.webcontainer.filter.FilterInstanceWrapper.doFilter(FilterInstanceWrapper.java:142)
at com.ibm.ws.webcontainer.filter.WebAppFilterChain.doFilter(WebAppFilterChain.java(Compiled Code))
at com.ibm.ws.webcontainer.filter.WebAppFilterChain._doFilter(WebAppFilterChain.java(Compiled Code))
at com.ibm.ws.webcontainer.servlet.ServletWrapper.handleRequest(ServletWrapper.java(Compiled Code))
at com.ibm.ws.webcontainer.servlet.CacheServletWrapper.handleRequest(CacheServletWrapper.java:89)
at com.ibm.ws.webcontainer.WebContainer.handleRequest(WebContainer.java:1878)
at com.ibm.ws.webcontainer.channel.WCChannelLink.ready(WCChannelLink.java:84)
at com.ibm.ws.http.channel.inbound.impl.HttpInboundLink.handleDiscrimination(HttpInboundLink.java:472)
at com.ibm.ws.http.channel.inbound.impl.HttpInboundLink.handleNewInformation(HttpInboundLink.java:411)
at com.ibm.ws.http.channel.inbound.impl.HttpICLReadCallback.complete(HttpICLReadCallback.java:101)
at com.ibm.ws.tcp.channel.impl.WorkQueueManager.requestComplete(WorkQueueManager.java:566)
at com.ibm.ws.tcp.channel.impl.WorkQueueManager.attemptIO(WorkQueueManager.java(Compiled Code))
at com.ibm.ws.tcp.channel.impl.WorkQueueManager.workerRun(WorkQueueManager.java:952)
at com.ibm.ws.tcp.channel.impl.WorkQueueManager$Worker.run(WorkQueueManager.java:1039)
at com.ibm.ws.util.ThreadPool$Worker.run(ThreadPool.java(Compiled Code))
 
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I too am getting a similar error. I am going from WebSphere 5.1 to 6.1 - it seems to not like the Struts Taglib jar. I haven't found any solution yet - should I find something, I'll post again.

Einstein47
(For best results: hand wash in cold, tumble dry low. For not so good results: drag through puddles, pound on rocks, air dry on tree branch.)
 
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