Error 500: java.lang.NoClassDefFoundError

I'm trying to setup a web app and I opened up it's index.faces page on internet explorer, but it's giving me this huge error message on the page instead:
Error 500: java.lang.NoClassDefFoundError: Error while defining class: <Class 1> This error indicates that the class: <Class 2> could not be located while defining the class: <Class 1> This is often caused by having the class at a higher point in the classloader hierarchy Dumping the current context classloader hierarchy: ==> indicates defining classloader *** indicates classloader where the missing class could have been found ***[0] com.ibm.ws.classloader.CompoundClassLoader@6a6cfd0b Local ClassPath: /mp/app/WebSphere6/AppServer/profiles/TestProfile01/installedApps/TestCell/ClarityPasswordResetEAR.ear/ClarityPasswordReset_WEB.war/WEB-INF/classes:/mp/app/WebSphere6/AppServer/profiles/TestProfile01/installedApps/TestCell/ClarityPasswordResetEAR.ear/ClarityPasswordReset_WEB.war/WEB-INF/lib/commons-collections.jar:/mp/app/WebSphere6/AppServer/profiles/TestProfile01/installedApps/TestCell/ClarityPasswordResetEAR.ear/ClarityPasswordReset_WEB.war/WEB-INF/lib/icu4j_3_4_1.jar:/mp/app/WebSphere6/AppServer/profiles/TestProfile01/installedApps/TestCell/ClarityPasswordResetEAR.ear/ClarityPasswordReset_WEB.war/WEB-INF/lib/wsac_taglib_210.jar:/mp/app/WebSphere6/AppServer/profiles/TestProfile01/installedApps/TestCell/ClarityPasswordResetEAR.ear/ClarityPasswordReset_WEB.war/WEB-INF/lib/commons-beanutils.jar:/mp/app/WebSphere6/AppServer/profiles/TestProfile01/installedApps/TestCell/ClarityPasswordResetEAR.ear/ClarityPasswordReset_WEB.war/WEB-INF/lib/commons-logging.jar:/mp/app/WebSphere6/AppServer/profiles/TestProfile01/installedApps/TestCell/ClarityPasswordResetEAR.ear/ClarityPasswordReset_WEB.war/WEB-INF/lib/commons-digester.jar:/mp/app/WebSphere6/AppServer/profiles/TestProfile01/installedApps/TestCell/ClarityPasswordResetEAR.ear/ClarityPasswordReset_WEB.war/WEB-INF/lib/wsf_core.jar:/mp/app/WebSphere6/AppServer/profiles/TestProfile01/installedApps/TestCell/ClarityPasswordResetEAR.ear/ClarityPasswordReset_WEB.war/WEB-INF/lib/wsf_persistence.jar:/mp/app/WebSphere6/AppServer/profiles/TestProfile01/installedApps/TestCell/ClarityPasswordResetEAR.ear/ClarityPasswordReset_WEB.war/WEB-INF/lib/struts.jar:/mp/app/WebSphere6/AppServer/profiles/TestProfile01/installedApps/TestCell/ClarityPasswordResetEAR.ear/ClarityPasswordReset_WEB.war/WEB-INF/lib/jsf-ibm.jar:/mp/app/WebSphere6/AppServer/profiles/TestProfile01/installedApps/TestCell/ClarityPasswordResetEAR.ear/ClarityPasswordReset_WEB.war/WEB-INF/lib/wsf_util.jar:/mp/app/WebSphere6/AppServer/profiles/TestProfile01/installedApps/TestCell/ClarityPasswordResetEAR.ear/ClarityPasswordReset_WEB.war Delegation Mode: PARENT_FIRST ==>[1] com.ibm.ws.classloader.JarClassLoader@1784790283 Local Classpath: /mp/app/WebSphere6/AppServer/profiles/TestProfile01/installedApps/TestCell/ClarityPasswordResetEAR.ear/ClarityPasswordReset_BO.jar:/mp/app/WebSphere6/Custom-Libs/WSF_supplement/wscommon.jar Delegation mode: PARENT_FIRST [2] com.ibm.ws.classloader.ProtectionClassLoader@6e37bd08 [3] com.ibm.ws.bootstrap.ExtClassLoader@7d213d09 [4] sun.misc.Launcher$AppClassLoader@7dc43d09 [5] sun.misc.Launcher$ExtClassLoader@7dc03d09 ---Original exception--- java.lang.NoClassDefFoundError: <Class 2> at java.lang.ClassLoader.defineClass0(Native Method) at java.lang.ClassLoader.defineClass(ClassLoader.java(Compiled Code)) at java.security.SecureClassLoader.defineClass(SecureClassLoader.java(Compiled Code)) at com.ibm.ws.classloader.CompoundClassLoader._defineClass(CompoundClassLoader.java(Compiled Code)) at com.ibm.ws.classloader.CompoundClassLoader.findClass(CompoundClassLoader.java(Compiled Code)) at com.ibm.ws.classloader.CompoundClassLoader.loadClass(CompoundClassLoader.java(Compiled Code)) at java.lang.ClassLoader.loadClass(ClassLoader.java(Compiled Code)) at com.ibm.ws.classloader.ReloadableClassLoader.loadClass(ReloadableClassLoader.java(Compiled Code)) at com.ibm.ws.classloader.CompoundClassLoader.loadClass(CompoundClassLoader.java(Compiled Code)) at java.lang.ClassLoader.loadClass(ClassLoader.java(Compiled Code)) at java.beans.Beans.instantiate(Beans.java:202) at java.beans.Beans.instantiate(Beans.java:63) at com.sun.faces.config.ManagedBeanFactory.newInstance(ManagedBeanFactory.java:204) at com.sun.faces.application.ApplicationImpl.createAndMaybeStoreManagedBeans(ApplicationImpl.java:913) at com.sun.faces.el.VariableResolverImpl.resolveVariable(VariableResolverImpl.java:84) at com.ibm.faces.databind.SelectItemsVarResolver.resolveVariable(SelectItemsVarResolver.java:38) at com.sun.faces.el.impl.NamedValue.evaluate(NamedValue.java:125) at com.sun.faces.el.impl.ComplexValue.evaluate(ComplexValue.java:146) at com.sun.faces.el.impl.ExpressionEvaluatorImpl.evaluate(ExpressionEvaluatorImpl.java:243) at com.sun.faces.el.ValueBindingImpl.getValue(ValueBindingImpl.java:156) at com.sun.faces.el.ValueBindingImpl.getValue(ValueBindingImpl.java:137) at javax.faces.component.UIOutput.getValue(UIOutput.java:147) at com.sun.faces.renderkit.html_basic.HtmlBasicInputRenderer.getValue(HtmlBasicInputRenderer.java:84) at com.sun.faces.renderkit.html_basic.HtmlBasicRenderer.getCurrentValue(HtmlBasicRenderer.java:204) at com.sun.faces.renderkit.html_basic.HtmlBasicRenderer.encodeEnd(HtmlBasicRenderer.java:171) at com.ibm.faces.renderkit.DefaultAjaxRenderer.encodeEnd(DefaultAjaxRenderer.java:83) at javax.faces.component.UIComponentBase.encodeEnd(UIComponentBase.java:762) at javax.faces.webapp.UIComponentTag.encodeEnd(UIComponentTag.java:604) at javax.faces.webapp.UIComponentTag.doEndTag(UIComponentTag.java:527) at com.sun.faces.taglib.html_basic.InputTextTag.doEndTag(InputTextTag.java:673) at com.ibm._jsp._passwordreset._jspx_meth_h_inputText_0(_passwordreset.java:133) at com.ibm._jsp._passwordreset._jspx_meth_h_form_0(_passwordreset.java:199) at com.ibm._jsp._passwordreset._jspx_meth_hx_scriptCollector_0(_passwordreset.java:227) at com.ibm._jsp._passwordreset._jspx_meth_f_view_0(_passwordreset.java:255) at com.ibm._jsp._passwordreset._jspService(_passwordreset.java:85) at com.ibm.ws.jsp.runtime.HttpJspBase.service(HttpJspBase.java:91) at javax.servlet.http.HttpServlet.service(HttpServlet.java:856) at com.ibm.ws.webcontainer.servlet.ServletWrapper.service(ServletWrapper.java:1284) at com.ibm.ws.webcontainer.servlet.ServletWrapper.handleRequest(ServletWrapper.java:674) at com.ibm.wsspi.webcontainer.servlet.GenericServletWrapper.handleRequest(GenericServletWrapper.java:117) at com.ibm.ws.jsp.webcontainerext.JSPExtensionServletWrapper.handleRequest(JSPExtensionServletWrapper.java:178) at com.ibm.ws.webcontainer.webapp.WebAppRequestDispatcher.forward(WebAppRequestDispatcher.java:334) at com.sun.faces.context.ExternalContextImpl.dispatch(ExternalContextImpl.java:325) at com.sun.faces.application.ViewHandlerImpl.renderView(ViewHandlerImpl.java:254) at com.sun.faces.lifecycle.RenderResponsePhase.execute(RenderResponsePhase.java:87) at com.sun.faces.lifecycle.LifecycleImpl.phase(LifecycleImpl.java:220) at com.sun.faces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:118) at javax.faces.webapp.FacesServlet.service(FacesServlet.java:198) at com.ibm.ws.webcontainer.servlet.ServletWrapper.service(ServletWrapper.java:1284) at com.ibm.ws.webcontainer.servlet.ServletWrapper.handleRequest(ServletWrapper.java:674) at com.ibm.ws.webcontainer.webapp.WebApp.handleRequest(WebApp.java:3004) at com.ibm.ws.webcontainer.webapp.WebGroup.handleRequest(WebGroup.java:221) at com.ibm.ws.webcontainer.VirtualHost.handleRequest(VirtualHost.java:210) at com.ibm.ws.webcontainer.WebContainer.handleRequest(WebContainer.java:1958) at com.ibm.ws.webcontainer.channel.WCChannelLink.ready(WCChannelLink.java:89) 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.HttpInboundLink.ready(HttpInboundLink.java:288) at com.ibm.ws.tcp.channel.impl.NewConnectionInitialReadCallback.sendToDiscriminaters(NewConnectionInitialReadCallback.java:207) at com.ibm.ws.tcp.channel.impl.NewConnectionInitialReadCallback.complete(NewConnectionInitialReadCallback.java:109) at com.ibm.ws.tcp.channel.impl.WorkQueueManager.requestComplete(WorkQueueManager.java(Compiled Code)) at com.ibm.ws.tcp.channel.impl.WorkQueueManager.attemptIO(WorkQueueManager.java(Compiled Code)) at com.ibm.ws.tcp.channel.impl.WorkQueueManager.workerRun(WorkQueueManager.java(Compiled Code)) at com.ibm.ws.tcp.channel.impl.WorkQueueManager$Worker.run(WorkQueueManager.java(Compiled Code)) at com.ibm.ws.util.ThreadPool$Worker.run(ThreadPool.java(Compiled Code)) --- end Original exception----
Any Help will be appreciated. Thank you.

sounds like your deployment isn't right - either your classpath isn't set correctly or you haven't included all the classes necessary in your deployment - or if this was working but now it's not then perhaps you removed something?

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        at com.sapportals.wcm.portal.component.base.ControllerComponent.doContent(ControllerComponent.java:75)
        at com.sapportals.portal.prt.component.AbstractPortalComponent.serviceDeprecated(AbstractPortalComponent.java:209)
        at com.sapportals.portal.prt.component.AbstractPortalComponent.service(AbstractPortalComponent.java:114)
        at com.sapportals.portal.prt.core.PortalRequestManager.callPortalComponent(PortalRequestManager.java:328)
        at com.sapportals.portal.prt.core.PortalRequestManager.dispatchRequest(PortalRequestManager.java:136)
        at com.sapportals.portal.prt.core.PortalRequestManager.dispatchRequest(PortalRequestManager.java:189)
        at com.sapportals.portal.prt.component.PortalComponentResponse.include(PortalComponentResponse.java:215)
        at com.sapportals.portal.prt.pom.PortalNode.service(PortalNode.java:646)
        at com.sapportals.portal.prt.core.PortalRequestManager.callPortalComponent(PortalRequestManager.java:328)
        at com.sapportals.portal.prt.core.PortalRequestManager.dispatchRequest(PortalRequestManager.java:136)
        at com.sapportals.portal.prt.core.PortalRequestManager.dispatchRequest(PortalRequestManager.java:189)
        at com.sapportals.portal.prt.core.PortalRequestManager.runRequestCycle(PortalRequestManager.java:753)
        at com.sapportals.portal.prt.connection.ServletConnection.handleRequest(ServletConnection.java:240)
        at com.sapportals.portal.prt.dispatcher.Dispatcher$doService.run(Dispatcher.java:545)
        at java.security.AccessController.doPrivileged(Native Method)
        at com.sapportals.portal.prt.dispatcher.Dispatcher.service(Dispatcher.java:405)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
        at com.sap.engine.services.servlets_jsp.server.servlet.InvokerServlet.service(InvokerServlet.java:156)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
        at com.sap.engine.services.servlets_jsp.server.HttpHandlerImpl.runServlet(HttpHandlerImpl.java:390)
        at com.sap.engine.services.servlets_jsp.server.HttpHandlerImpl.handleRequest(HttpHandlerImpl.java:264)
        at com.sap.engine.services.httpserver.server.RequestAnalizer.startServlet(RequestAnalizer.java:347)
        at com.sap.engine.services.httpserver.server.RequestAnalizer.startServlet(RequestAnalizer.java:325)
        at com.sap.engine.services.httpserver.server.RequestAnalizer.invokeWebContainer(RequestAnalizer.java:887)
        at com.sap.engine.services.httpserver.server.RequestAnalizer.handle(RequestAnalizer.java:241)
        at com.sap.engine.services.httpserver.server.Client.handle(Client.java:92)
        at com.sap.engine.services.httpserver.server.Processor.request(Processor.java:148)
Note: This is not a permanent error, after 15-30mins we are able to upload the Documents. We are not able to analyse it.
with regards,
Mohamed Thahir

hi,
I can suggest you check the Generator URL setting. Or May be there is connectivity prob with content server . so check both of them.
Regards
RS

JSP Throws java.lang.NoClassDefFoundError =Weird Error

Hi,
JSP suddenly throws an error(please see error below) when i add a code in the program something like this:
System.out.println("the ErrorMail address in SubmitErrorEMail is=="+AlterMisc.getVar(HashMap, "ErrorEmailTo"));
if i remove this jsp executes properly.i am using IBM Websphere 3.0.2 on WindowsNT .can anybody tell me how to debug this type of errors and what could be the reason.any help
in this regard is appreciated.
Thanks
Jack
Error Message:
java.lang.NoClassDefFoundError: D_0003a/IBM/IBM_00020HTTP_00020SERVER/htd_00025cs/alter/jsp/alter_jsp_SubmitOrder_jsp_1
     at java.lang.ClassLoader.resolveClass(ClassLoader.java:230)
     at com.sun.jsp.runtime.JspLoader.loadClass(JspLoader.java:136)
     at com.sun.jsp.runtime.JspLoader.loadJSP(JspLoader.java:223)
     at com.sun.jsp.runtime.JspServlet$JspServletWrapper.loadIfNecessary(JspServlet.java:103)
     at com.sun.jsp.runtime.JspServlet$JspServletWrapper.service(JspServlet.java:114)
     at com.sun.jsp.runtime.JspServlet.serviceJspFile(JspServlet.java:460)
     at com.sun.jsp.runtime.JspServlet.service(JspServlet.java:570)
     at javax.servlet.http.HttpServlet.service(HttpServlet.java:639)
     at com.ibm.servlet.engine.webapp.StrictServletInstance.doService(ServletManager.java:557)
     at com.ibm.servlet.engine.webapp.StrictLifecycleServlet._service(StrictLifecycleServlet.java:160)
     at com.ibm.servlet.engine.webapp.IdleServletState.service(StrictLifecycleServlet.java:287)
     at com.ibm.servlet.engine.webapp.StrictLifecycleServlet.service(StrictLifecycleServlet.java:105)
     at com.ibm.servlet.engine.webapp.ServletInstance.service(ServletManager.java:349)
     at com.ibm.servlet.engine.webapp.ValidServletReferenceState.dispatch(ServletManager.java:705)
     at com.ibm.servlet.engine.webapp.ServletInstanceReference.dispatch(ServletManager.java:631)
     at com.ibm.servlet.engine.webapp.WebAppRequestDispatcher.handleWebAppDispatch(WebApp.java:1234)
     at com.ibm.servlet.engine.webapp.WebAppRequestDispatcher.dispatch(WebApp.java:1084)
     at com.ibm.servlet.engine.webapp.WebAppRequestDispatcher.forward(WebApp.java:1043)
     at com.ibm.servlet.engine.srt.WebAppInvoker.handleInvocationHook(WebGroup.java:670)
     at com.ibm.servlet.engine.invocation.CachedInvocation.handleInvocation(CachedInvocation.java:67)
     at com.ibm.servlet.engine.invocation.CacheableInvocationContext.invoke(CacheableInvocationContext.java:106)
     at com.ibm.servlet.engine.srp.ServletRequestProcessor.dispatchByURI(ServletRequestProcessor.java:160)
     at com.ibm.servlet.engine.oselistener.OSEListenerDispatcher.service(OSEListener.java:300)
     at com.ibm.servlet.engine.oselistener.SQEventListenerImp$ServiceRunnable.run(SQEventListenerImp.java:230)
     at com.ibm.servlet.engine.oselistener.SQEventListenerImp.notifySQEvent(SQEventListenerImp.java:104)
     at com.ibm.servlet.engine.oselistener.serverqueue.SQEventSource.notifyEvent(SQEventSource.java:212)
     at com.ibm.servlet.engine.oselistener.serverqueue.SQWrapperEventSource$SelectRunnable.notifyService(SQWrapperEventSource.java:353)
     at com.ibm.servlet.engine.oselistener.serverqueue.SQWrapperEventSource$SelectRunnable.run(SQWrapperEventSource.java:220)
     at com.ibm.servlet.engine.oselistener.outofproc.OutOfProcThread$CtlRunnable.run(OutOfProcThread.java:248)
     at java.lang.Thread.run(Thread.java:492)

it looks like the server cant locate the class AlterMisc
is it in the same package as this file? or imported correctly?
i'm only guessin from problems i've had myself

Java.lang.NoClassDefFoundError with Novell GroupWise WebAccess Version 6.5

Before I upgraded to Tiger (10.4.4) yesterday from Panther (10.3.9) & the latest version of Safari (I did not write down the exact version as I wiped out my hard drive when upgrading), the Novell GroupWise WebAccess version 6.5 was working perfectly fine.
However, since the upgrade & using Safari 2.0.3 (417.8), I am getting the following error message after submitting my loginID and password.
500 java.lang.NoClassDefFoundError java.lang.Exception
Novell Servlet Gateway v2.00 Feb 2000
If I use Netscape 7.2 (Mozilla/5.0 (Macintosh; U; PPC Mac OS X Mach-O; en-US; rv:1.7.2) Gecko/20040804 Netscape/7.2), this site works fine.
Both Safari and Netscape has out of the box setting, and both have Java/Javascript enabled.
Both have Java 1.3.1 Plug-ins
Any advice?
Powerbook Pismo updgd to G4 550MHz Mac OS X (10.4.4) Mac OS X (10.3.9) on another partition
Powerbook Pismo updgd to G4 550MHz Mac OS X (10.4.4)

Never mind. I found the solution myself...
The language preference for the OS had to be set to English for this page to work in Safari.

Java.lang.NoClassDefFoundError: com/sap/tc/logging/Configurator

I have installed this NWDS 2.0.12. When I click on the icon from desktop, I see a splash screen for a second and then immediately an error message saying 'Problem during startup. Check the .log file in .metadata folder of your workspace.'
Following is the log file
!SESSION -
!ENTRY org.eclipse.core.launcher 4 0 Jun 29, 2006 16:09:37.302
!MESSAGE Exception launching the Eclipse Platform:
!STACK
java.lang.NoClassDefFoundError: com/sap/tc/logging/Configurator
     at java.lang.Class.getDeclaredConstructors0(Native Method)
     at java.lang.Class.privateGetDeclaredConstructors(Class.java:1618)
     at java.lang.Class.getConstructor0(Class.java:1930)
     at java.lang.Class.getConstructor(Class.java:1027)
     at org.eclipse.core.internal.plugins.PluginDescriptor.internalDoPluginActivation(PluginDescriptor.java:709)
     at org.eclipse.core.internal.plugins.PluginDescriptor.doPluginActivation(PluginDescriptor.java:188)
     at org.eclipse.core.internal.plugins.PluginClassLoader.activatePlugin(PluginClassLoader.java:112)
     at org.eclipse.core.internal.plugins.PluginClassLoader.internalFindClassParentsSelf(PluginClassLoader.java:185)
     at org.eclipse.core.internal.boot.DelegatingURLClassLoader.findClassParentsSelf(DelegatingURLClassLoader.java:485)
     at org.eclipse.core.internal.boot.DelegatingURLClassLoader.loadClass(DelegatingURLClassLoader.java:882)
     at org.eclipse.core.internal.boot.DelegatingURLClassLoader.loadClass(DelegatingURLClassLoader.java:862)
     at java.lang.ClassLoader.loadClass(ClassLoader.java:235)
     at org.eclipse.core.internal.plugins.PluginDescriptor.createExecutableExtension(PluginDescriptor.java:130)
     at org.eclipse.core.internal.plugins.PluginDescriptor.createExecutableExtension(PluginDescriptor.java:167)
     at org.eclipse.core.internal.plugins.ConfigurationElement.createExecutableExtension(ConfigurationElement.java:103)
     at org.eclipse.core.internal.runtime.InternalPlatform.loaderGetRunnable(InternalPlatform.java:578)
     at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
     at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
     at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
     at java.lang.reflect.Method.invoke(Method.java:324)
     at org.eclipse.core.internal.boot.InternalBootLoader.getRunnable(InternalBootLoader.java:471)
     at org.eclipse.core.internal.boot.InternalBootLoader.run(InternalBootLoader.java:854)
     at org.eclipse.core.boot.BootLoader.run(BootLoader.java:461)
     at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
     at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
     at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
     at java.lang.reflect.Method.invoke(Method.java:324)
     at com.sap.ide.eclipse.startup.Main.basicRun(Main.java:286)
     at com.sap.ide.eclipse.startup.Main.run(Main.java:784)
     at com.sap.ide.eclipse.startup.Main.main(Main.java:602)
Can somebody help me to resolve this? What should be the potential cause for the error?

java.lang.NoClassDefFoundError: <b>com/sap/tc/logging/Configurator</b>
Either a missing jar or the classpath is not defined right.

Error 500: java.lang.NoClassDefFoundError

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