java.lang.ClassNotFoundException

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  • swt-designer (design view does not work)
    via by jayanandan thiagarajan,
  • ClassNotFoundException
    via shelled by scotte
    ,
  • Unusual eclipse plug-in problem
    via Stack Overflow by Nezzit
    ,
  • error after updating to 1.3.1.5
    via by Matt Williams,
  • Studie 1.0.1 - Schema Browser does not work
    via by Stefan Koeberle,
  • I can not use the plugin (see below). I have restarted eclipse using -clean. In the Plugins-View and the Plugin-Registriy View i can not found a maven entry. In Product Confiuration Window the maven entry seems to be ok. Thomas Problems: 1) if i try to vistit the preference page I got following message : Unable to create the selected prefenrens page. Reasen plugin was unable to load class ..Maven2Preference page 2) if i try to enable maven 2 plugin i got following 3 stacktraces: stacktrace 1################################### eclipse.buildId=M20060921-0945 java.version=1.5.0_08 java.vendor=Sun Microsystems Inc. BootLoader constants: OS=win32, ARCH=x86, WS=win32, NL=de_DE Command-line arguments: -os win32 -ws win32 -arch x86 -clean Error Wed Nov 01 16:38:38 CET 2006 Could not create action delegate for id: org.maven.ide.eclipse.enableAction stacktrace 2 ############################################## eclipse.buildId=M20060921-0945 java.version=1.5.0_08 java.vendor=Sun Microsystems Inc. BootLoader constants: OS=win32, ARCH=x86, WS=win32, NL=de_DE Command-line arguments: -os win32 -ws win32 -arch x86 -clean Error Wed Nov 01 16:38:38 CET 2006 An error occurred while automatically activating bundle org.maven.ide.eclipse (400). org.osgi.framework.BundleException: Exception in org.maven.ide.eclipse.Maven2Plugin.start() of bundle org.maven.ide.eclipse. at org.eclipse.osgi.framework.internal.core.BundleContextImpl.startActivator(BundleContextImpl.java:1010) at org.eclipse.osgi.framework.internal.core.BundleContextImpl.start(BundleContextImpl.java:966) at org.eclipse.osgi.framework.internal.core.BundleHost.startWorker(BundleHost.java:317) at org.eclipse.osgi.framework.internal.core.AbstractBundle.start(AbstractBundle.java:256) at org.eclipse.core.runtime.internal.adaptor.EclipseLazyStarter.preFindLocalClass(EclipseLazyStarter.java:86) at org.eclipse.osgi.baseadaptor.loader.ClasspathManager.findLocalClass(ClasspathManager.java:409) at org.eclipse.osgi.internal.baseadaptor.DefaultClassLoader.findLocalClass(DefaultClassLoader.java:188) at org.eclipse.osgi.framework.internal.core.BundleLoader.findLocalClass(BundleLoader.java:334) at org.eclipse.osgi.framework.internal.core.BundleLoader.findClass(BundleLoader.java:386) at org.eclipse.osgi.framework.internal.core.BundleLoader.findClass(BundleLoader.java:347) at org.eclipse.osgi.internal.baseadaptor.DefaultClassLoader.loadClass(DefaultClassLoader.java:83) at java.lang.ClassLoader.loadClass(Unknown Source) at org.eclipse.osgi.framework.internal.core.BundleLoader.loadClass(BundleLoader.java:278) at org.eclipse.osgi.framework.internal.core.BundleHost.loadClass(BundleHost.java:227) at org.eclipse.osgi.framework.internal.core.AbstractBundle.loadClass(AbstractBundle.java:1245) at org.eclipse.core.internal.registry.osgi.RegistryStrategyOSGI.createExecutableExtension(RegistryStrategyOSGI.java:147) at org.eclipse.core.internal.registry.ExtensionRegistry.createExecutableExtension(ExtensionRegistry.java:759) at org.eclipse.core.internal.registry.ConfigurationElement.createExecutableExtension(ConfigurationElement.java:243) at org.eclipse.core.internal.registry.ConfigurationElementHandle.createExecutableExtension(ConfigurationElementHandle.java:51) at org.eclipse.ui.internal.WorkbenchPlugin$1.run(WorkbenchPlugin.java:242) at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:67) at org.eclipse.ui.internal.WorkbenchPlugin.createExtension(WorkbenchPlugin.java:238) at org.eclipse.ui.internal.PluginAction.createDelegate(PluginAction.java:120) at org.eclipse.ui.internal.PluginAction.runWithEvent(PluginAction.java:225) at org.eclipse.jface.action.ActionContributionItem.handleWidgetSelection(ActionContributionItem.java:539) at org.eclipse.jface.action.ActionContributionItem.access$2(ActionContributionItem.java:488) at org.eclipse.jface.action.ActionContributionItem$5.handleEvent(ActionContributionItem.java:400) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:66) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:928) at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:3348) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:2968) at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java:1914) at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:1878) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:419) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:149) at org.eclipse.ui.internal.ide.IDEApplication.run(IDEApplication.java:95) at org.eclipse.core.internal.runtime.PlatformActivator$1.run(PlatformActivator.java:78) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:92) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:68) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:400) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:177) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.eclipse.core.launcher.Main.invokeFramework(Main.java:336) at org.eclipse.core.launcher.Main.basicRun(Main.java:280) at org.eclipse.core.launcher.Main.run(Main.java:977) at org.eclipse.core.launcher.Main.main(Main.java:952) Caused by: java.lang.IllegalArgumentException: When not aligning with a user install you must specify a local repository location using the setLocalRepositoryDirectory( File ) method. at org.apache.maven.embedder.MavenEmbedder.createMavenSettings(MavenEmbedder.java:699) at org.apache.maven.embedder.MavenEmbedder.start(MavenEmbedder.java:628) at org.maven.ide.eclipse.Maven2Plugin.createEmbedder(Maven2Plugin.java:269) at org.maven.ide.eclipse.Maven2Plugin.getMavenEmbedder(Maven2Plugin.java:157) at org.maven.ide.eclipse.Maven2Plugin.executeInEmbedder(Maven2Plugin.java:167) at org.maven.ide.eclipse.Maven2Plugin.start(Maven2Plugin.java:112) at org.eclipse.osgi.framework.internal.core.BundleContextImpl$2.run(BundleContextImpl.java:991) at java.security.AccessController.doPrivileged(Native Method) at org.eclipse.osgi.framework.internal.core.BundleContextImpl.startActivator(BundleContextImpl.java:985) ... 48 more Root exception: java.lang.IllegalArgumentException: When not aligning with a user install you must specify a local repository location using the setLocalRepositoryDirectory( File ) method. at org.apache.maven.embedder.MavenEmbedder.createMavenSettings(MavenEmbedder.java:699) at org.apache.maven.embedder.MavenEmbedder.start(MavenEmbedder.java:628) at org.maven.ide.eclipse.Maven2Plugin.createEmbedder(Maven2Plugin.java:269) at org.maven.ide.eclipse.Maven2Plugin.getMavenEmbedder(Maven2Plugin.java:157) at org.maven.ide.eclipse.Maven2Plugin.executeInEmbedder(Maven2Plugin.java:167) at org.maven.ide.eclipse.Maven2Plugin.start(Maven2Plugin.java:112) at org.eclipse.osgi.framework.internal.core.BundleContextImpl$2.run(BundleContextImpl.java:991) at java.security.AccessController.doPrivileged(Native Method) at org.eclipse.osgi.framework.internal.core.BundleContextImpl.startActivator(BundleContextImpl.java:985) at org.eclipse.osgi.framework.internal.core.BundleContextImpl.start(BundleContextImpl.java:966) at org.eclipse.osgi.framework.internal.core.BundleHost.startWorker(BundleHost.java:317) at org.eclipse.osgi.framework.internal.core.AbstractBundle.start(AbstractBundle.java:256) at org.eclipse.core.runtime.internal.adaptor.EclipseLazyStarter.preFindLocalClass(EclipseLazyStarter.java:86) at org.eclipse.osgi.baseadaptor.loader.ClasspathManager.findLocalClass(ClasspathManager.java:409) at org.eclipse.osgi.internal.baseadaptor.DefaultClassLoader.findLocalClass(DefaultClassLoader.java:188) at org.eclipse.osgi.framework.internal.core.BundleLoader.findLocalClass(BundleLoader.java:334) at org.eclipse.osgi.framework.internal.core.BundleLoader.findClass(BundleLoader.java:386) at org.eclipse.osgi.framework.internal.core.BundleLoader.findClass(BundleLoader.java:347) at org.eclipse.osgi.internal.baseadaptor.DefaultClassLoader.loadClass(DefaultClassLoader.java:83) at java.lang.ClassLoader.loadClass(Unknown Source) at org.eclipse.osgi.framework.internal.core.BundleLoader.loadClass(BundleLoader.java:278) at org.eclipse.osgi.framework.internal.core.BundleHost.loadClass(BundleHost.java:227) at org.eclipse.osgi.framework.internal.core.AbstractBundle.loadClass(AbstractBundle.java:1245) at org.eclipse.core.internal.registry.osgi.RegistryStrategyOSGI.createExecutableExtension(RegistryStrategyOSGI.java:147) at org.eclipse.core.internal.registry.ExtensionRegistry.createExecutableExtension(ExtensionRegistry.java:759) at org.eclipse.core.internal.registry.ConfigurationElement.createExecutableExtension(ConfigurationElement.java:243) at org.eclipse.core.internal.registry.ConfigurationElementHandle.createExecutableExtension(ConfigurationElementHandle.java:51) at org.eclipse.ui.internal.WorkbenchPlugin$1.run(WorkbenchPlugin.java:242) at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:67) at org.eclipse.ui.internal.WorkbenchPlugin.createExtension(WorkbenchPlugin.java:238) at org.eclipse.ui.internal.PluginAction.createDelegate(PluginAction.java:120) at org.eclipse.ui.internal.PluginAction.runWithEvent(PluginAction.java:225) at org.eclipse.jface.action.ActionContributionItem.handleWidgetSelection(ActionContributionItem.java:539) at org.eclipse.jface.action.ActionContributionItem.access$2(ActionContributionItem.java:488) at org.eclipse.jface.action.ActionContributionItem$5.handleEvent(ActionContributionItem.java:400) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:66) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:928) at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:3348) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:2968) at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java:1914) at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:1878) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:419) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:149) at org.eclipse.ui.internal.ide.IDEApplication.run(IDEApplication.java:95) at org.eclipse.core.internal.runtime.PlatformActivator$1.run(PlatformActivator.java:78) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:92) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:68) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:400) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:177) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.eclipse.core.launcher.Main.invokeFramework(Main.java:336) at org.eclipse.core.launcher.Main.basicRun(Main.java:280) at org.eclipse.core.launcher.Main.run(Main.java:977) at org.eclipse.core.launcher.Main.main(Main.java:952) stacktrace 3############################ eclipse.buildId=M20060629-1905 java.version=1.5.0_08 java.vendor=Sun Microsystems Inc. BootLoader constants: OS=win32, ARCH=x86, WS=win32, NL=de_DE Framework arguments: -showLocation Command-line arguments: -os win32 -ws win32 -arch x86 -clean -showLocation Error Wed Nov 01 16:10:22 CET 2006 Plug-in org.maven.ide.eclipse was unable to load class org.maven.ide.eclipse.actions.EnableNatureAction. java.lang.ClassNotFoundException: org.maven.ide.eclipse.actions.EnableNatureAction at org.eclipse.osgi.framework.internal.core.BundleLoader.findClass(BundleLoader.java:407) at org.eclipse.osgi.framework.internal.core.BundleLoader.findClass(BundleLoader.java:352) at org.eclipse.osgi.internal.baseadaptor.DefaultClassLoader.loadClass(DefaultClassLoader.java:83) at java.lang.ClassLoader.loadClass(Unknown Source) at org.eclipse.osgi.framework.internal.core.BundleLoader.loadClass(BundleLoader.java:276) at org.eclipse.osgi.framework.internal.core.BundleHost.loadClass(BundleHost.java:227) at org.eclipse.osgi.framework.internal.core.AbstractBundle.loadClass(AbstractBundle.java:1245) at org.eclipse.core.internal.registry.osgi.RegistryStrategyOSGI.createExecutableExtension(RegistryStrategyOSGI.java:147) at org.eclipse.core.internal.registry.ExtensionRegistry.createExecutableExtension(ExtensionRegistry.java:759) at org.eclipse.core.internal.registry.ConfigurationElement.createExecutableExtension(ConfigurationElement.java:243) at org.eclipse.core.internal.registry.ConfigurationElementHandle.createExecutableExtension(ConfigurationElementHandle.java:51) at org.eclipse.ui.internal.WorkbenchPlugin$1.run(WorkbenchPlugin.java:242) at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:67) at org.eclipse.ui.internal.WorkbenchPlugin.createExtension(WorkbenchPlugin.java:238) at org.eclipse.ui.internal.PluginAction.createDelegate(PluginAction.java:120) at org.eclipse.ui.internal.PluginAction.runWithEvent(PluginAction.java:225) at org.eclipse.jface.action.ActionContributionItem.handleWidgetSelection(ActionContributionItem.java:539) at org.eclipse.jface.action.ActionContributionItem.access$2(ActionContributionItem.java:488) at org.eclipse.jface.action.ActionContributionItem$5.handleEvent(ActionContributionItem.java:400) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:66) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:928) at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:3348) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:2968) at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java:1914) at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:1878) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:419) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:149) at org.eclipse.ui.internal.ide.IDEApplication.run(IDEApplication.java:95) at org.eclipse.core.internal.runtime.PlatformActivator$1.run(PlatformActivator.java:78) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:92) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:68) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:400) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:177) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.eclipse.core.launcher.Main.invokeFramework(Main.java:336) at org.eclipse.core.launcher.Main.basicRun(Main.java:280) at org.eclipse.core.launcher.Main.run(Main.java:977) at org.eclipse.core.launcher.Main.main(Main.java:952)
    via by Deleted User,
    • java.lang.ClassNotFoundException: com.swtdesigner.actions.wizard.OpenSWTProjectWizardAction at org.eclipse.osgi.framework.internal.core.BundleLoader.findClass(BundleLoader.java:402) at org.eclipse.osgi.framework.internal.core.BundleLoader.findClass(BundleLoader.java:347) at org.eclipse.osgi.internal.baseadaptor.DefaultClassLoader.loadClass(DefaultClassLoader.java:83) at java.lang.ClassLoader.loadClass(ClassLoader.java:251) at org.eclipse.osgi.framework.internal.core.BundleLoader.loadClass(BundleLoader.java:278) at org.eclipse.osgi.framework.internal.core.BundleHost.loadClass(BundleHost.java:227) at org.eclipse.osgi.framework.internal.core.AbstractBundle.loadClass(AbstractBundle.java:1245) at org.eclipse.core.internal.registry.osgi.RegistryStrategyOSGI.createExecutableExtension(RegistryStrategyOSGI.java:147) at org.eclipse.core.internal.registry.ExtensionRegistry.createExecutableExtension(ExtensionRegistry.java:759) at org.eclipse.core.internal.registry.ConfigurationElement.createExecutableExtension(ConfigurationElement.java:243) at org.eclipse.core.internal.registry.ConfigurationElementHandle.createExecutableExtension(ConfigurationElementHandle.java:51) at org.eclipse.ui.internal.WorkbenchPlugin$1.run(WorkbenchPlugin.java:242) at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:67) at org.eclipse.ui.internal.WorkbenchPlugin.createExtension(WorkbenchPlugin.java:238) at org.eclipse.ui.internal.PluginAction.createDelegate(PluginAction.java:120) at org.eclipse.ui.internal.PluginAction.runWithEvent(PluginAction.java:225) at org.eclipse.ui.internal.WWinPluginAction.runWithEvent(WWinPluginAction.java:229) at org.eclipse.jface.action.ActionContributionItem.handleWidgetSelection(ActionContributionItem.java:539) at org.eclipse.jface.action.ActionContributionItem.access$2(ActionContributionItem.java:488) at org.eclipse.jface.action.ActionContributionItem$6.handleEvent(ActionContributionItem.java:441) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:66) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1085) at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:3166) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:2842) at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java:1914) at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:1878) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:419) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:149) at org.eclipse.ui.internal.ide.IDEApplication.run(IDEApplication.java:95) at org.eclipse.core.internal.runtime.PlatformActivator$1.run(PlatformActivator.java:78) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:92) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:68) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:400) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:177) 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:585) at org.eclipse.core.launcher.Main.invokeFramework(Main.java:336) at org.eclipse.core.launcher.Main.basicRun(Main.java:280) at org.eclipse.core.launcher.Main.run(Main.java:977) at org.eclipse.core.launcher.Main.main(Main.java:952)
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