Searched on Google with the first line of a JAVA stack trace?

We can recommend more relevant solutions and speed up debugging when you paste your entire stack trace with the exception message. Try a sample exception.

Recommended solutions based on your search

Solutions on the web

via sourceforge.net by Unknown author, 1 year ago
Plug-in "org.vaulttec.velocity.ui" was unable to instantiate class "org.vaulttec.velocity.ui.editor.VelocityEditor".
via Google Groups by Kaizah Kaiser, 1 year ago
Plug-in org.scala-ide.play2 was unable to load class org.scalaide.play2.templateeditor.sse.TemplateStructuredEditor.
via Stack Overflow by ravin
, 2 years ago
Plug-in "org.springsource.ide.eclipse.commons.gettingstarted" was unable to instantiate class "org.springsource.ide.eclipse.commons.gettingstarted.dashboard.WelcomeDashboard".
via springsource.com by Unknown author, 2 years ago
Plug-in "org.springsource.ide.eclipse.commons.gettingstarted" was unable to instantiate class "org.springsource.ide.eclipse.commons.gettingstarted.dashboard.WelcomeDashboard".
via GitHub by marklemay
, 2 years ago
Plug-in org.scala-ide.play2 was unable to load class org.scalaide.play2.templateeditor.TemplateEditor.
java.lang.NullPointerException: 	at org.vaulttec.velocity.ui.editor.text.VelocityCodeScanner.(VelocityCodeScanner.java:44)	at org.vaulttec.velocity.ui.editor.VelocityEditorEnvironment.connect(VelocityEditorEnvironment.java:37)	at org.vaulttec.velocity.ui.editor.VelocityEditor.initializeEditor(VelocityEditor.java:81)	at org.eclipse.ui.texteditor.AbstractDecoratedTextEditor.(AbstractDecoratedTextEditor.java:343)	at org.eclipse.ui.editors.text.TextEditor.(TextEditor.java:59)	at org.vaulttec.velocity.ui.editor.VelocityEditor.(VelocityEditor.java:50)	at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)	at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)	at java.lang.reflect.Constructor.newInstance(Constructor.java:408)	at java.lang.Class.newInstance(Class.java:433)	at org.eclipse.core.internal.registry.osgi.RegistryStrategyOSGI.createExecutableExtension(RegistryStrategyOSGI.java:184)	at org.eclipse.core.internal.registry.ExtensionRegistry.createExecutableExtension(ExtensionRegistry.java:905)	at org.eclipse.core.internal.registry.ConfigurationElement.createExecutableExtension(ConfigurationElement.java:243)	at org.eclipse.core.internal.registry.ConfigurationElementHandle.createExecutableExtension(ConfigurationElementHandle.java:55)	at org.eclipse.ui.internal.WorkbenchPlugin$1.run(WorkbenchPlugin.java:294)	at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:70)	at org.eclipse.ui.internal.WorkbenchPlugin.createExtension(WorkbenchPlugin.java:289)	at org.eclipse.ui.internal.registry.EditorDescriptor.createEditor(EditorDescriptor.java:235)	at org.eclipse.ui.internal.EditorReference.createPart(EditorReference.java:349)	at org.eclipse.ui.internal.e4.compatibility.CompatibilityPart.createPart(CompatibilityPart.java:265)	at org.eclipse.ui.internal.e4.compatibility.CompatibilityEditor.createPart(CompatibilityEditor.java:63)	at org.eclipse.ui.internal.e4.compatibility.CompatibilityPart.create(CompatibilityPart.java:303)	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)	at java.lang.reflect.Method.invoke(Method.java:483)	at org.eclipse.e4.core.internal.di.MethodRequestor.execute(MethodRequestor.java:55)	at org.eclipse.e4.core.internal.di.InjectorImpl.processAnnotated(InjectorImpl.java:888)	at org.eclipse.e4.core.internal.di.InjectorImpl.processAnnotated(InjectorImpl.java:869)	at org.eclipse.e4.core.internal.di.InjectorImpl.inject(InjectorImpl.java:120)	at org.eclipse.e4.core.internal.di.InjectorImpl.internalMake(InjectorImpl.java:337)	at org.eclipse.e4.core.internal.di.InjectorImpl.make(InjectorImpl.java:258)	at org.eclipse.e4.core.contexts.ContextInjectionFactory.make(ContextInjectionFactory.java:162)	at org.eclipse.e4.ui.internal.workbench.ReflectionContributionFactory.createFromBundle(ReflectionContributionFactory.java:104)	at org.eclipse.e4.ui.internal.workbench.ReflectionContributionFactory.doCreate(ReflectionContributionFactory.java:73)	at org.eclipse.e4.ui.internal.workbench.ReflectionContributionFactory.create(ReflectionContributionFactory.java:55)	at org.eclipse.e4.ui.workbench.renderers.swt.ContributedPartRenderer.createWidget(ContributedPartRenderer.java:127)	at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.createWidget(PartRenderingEngine.java:983)	at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.safeCreateGui(PartRenderingEngine.java:662)	at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.safeCreateGui(PartRenderingEngine.java:766)	at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.access$2(PartRenderingEngine.java:737)	at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$7.run(PartRenderingEngine.java:731)	at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)	at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.createGui(PartRenderingEngine.java:715)	at org.eclipse.e4.ui.internal.workbench.PartServiceImpl$1.handleEvent(PartServiceImpl.java:94)	at org.eclipse.e4.ui.services.internal.events.UIEventHandler$1.run(UIEventHandler.java:40)	at org.eclipse.swt.widgets.Synchronizer.syncExec(Synchronizer.java:187)	at org.eclipse.ui.internal.UISynchronizer.syncExec(UISynchronizer.java:156)	at org.eclipse.swt.widgets.Display.syncExec(Display.java:4721)	at org.eclipse.e4.ui.internal.workbench.swt.E4Application$1.syncExec(E4Application.java:218)	at org.eclipse.e4.ui.services.internal.events.UIEventHandler.handleEvent(UIEventHandler.java:36)	at org.eclipse.equinox.internal.event.EventHandlerWrapper.handleEvent(EventHandlerWrapper.java:197)	at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:197)	at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:1)	at org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:230)	at org.eclipse.osgi.framework.eventmgr.ListenerQueue.dispatchEventSynchronous(ListenerQueue.java:148)	at org.eclipse.equinox.internal.event.EventAdminImpl.dispatchEvent(EventAdminImpl.java:135)	at org.eclipse.equinox.internal.event.EventAdminImpl.sendEvent(EventAdminImpl.java:78)	at org.eclipse.equinox.internal.event.EventComponent.sendEvent(EventComponent.java:39)	at org.eclipse.e4.ui.services.internal.events.EventBroker.send(EventBroker.java:81)	at org.eclipse.e4.ui.internal.workbench.UIEventPublisher.notifyChanged(UIEventPublisher.java:59)	at org.eclipse.emf.common.notify.impl.BasicNotifierImpl.eNotify(BasicNotifierImpl.java:374)	at org.eclipse.e4.ui.model.application.ui.impl.ElementContainerImpl.setSelectedElement(ElementContainerImpl.java:171)	at org.eclipse.e4.ui.internal.workbench.ModelServiceImpl.showElementInWindow(ModelServiceImpl.java:488)	at org.eclipse.e4.ui.internal.workbench.ModelServiceImpl.bringToTop(ModelServiceImpl.java:454)	at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.delegateBringToTop(PartServiceImpl.java:694)	at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.bringToTop(PartServiceImpl.java:387)	at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.showPart(PartServiceImpl.java:1134)	at org.eclipse.ui.internal.WorkbenchPage.busyOpenEditor(WorkbenchPage.java:3210)	at org.eclipse.ui.internal.WorkbenchPage.access$23(WorkbenchPage.java:3125)	at org.eclipse.ui.internal.WorkbenchPage$9.run(WorkbenchPage.java:3107)	at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:70)	at org.eclipse.ui.internal.WorkbenchPage.openEditor(WorkbenchPage.java:3102)	at org.eclipse.ui.internal.WorkbenchPage.openEditor(WorkbenchPage.java:3066)	at org.eclipse.ui.internal.WorkbenchPage.openEditor(WorkbenchPage.java:3056)	at org.eclipse.ui.ide.IDE.openEditor(IDE.java:541)	at org.eclipse.ui.ide.IDE.openEditor(IDE.java:500)	at org.eclipse.ui.internal.ide.handlers.OpenResourceHandler.execute(OpenResourceHandler.java:129)	at org.eclipse.ui.internal.ide.handlers.OpenResourceHandler.run(OpenResourceHandler.java:181)	at org.eclipse.ui.internal.handlers.ActionDelegateHandlerProxy.execute(ActionDelegateHandlerProxy.java:299)	at org.eclipse.ui.internal.handlers.E4HandlerProxy.execute(E4HandlerProxy.java:90)	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)	at java.lang.reflect.Method.invoke(Method.java:483)	at org.eclipse.e4.core.internal.di.MethodRequestor.execute(MethodRequestor.java:55)	at org.eclipse.e4.core.internal.di.InjectorImpl.invokeUsingClass(InjectorImpl.java:247)	at org.eclipse.e4.core.internal.di.InjectorImpl.invoke(InjectorImpl.java:229)	at org.eclipse.e4.core.contexts.ContextInjectionFactory.invoke(ContextInjectionFactory.java:132)	at org.eclipse.e4.core.commands.internal.HandlerServiceHandler.execute(HandlerServiceHandler.java:149)	at org.eclipse.core.commands.Command.executeWithChecks(Command.java:499)	at org.eclipse.core.commands.ParameterizedCommand.executeWithChecks(ParameterizedCommand.java:508)	at org.eclipse.e4.core.commands.internal.HandlerServiceImpl.executeHandler(HandlerServiceImpl.java:210)	at org.eclipse.e4.ui.bindings.keys.KeyBindingDispatcher.executeCommand(KeyBindingDispatcher.java:286)	at org.eclipse.e4.ui.bindings.keys.KeyBindingDispatcher.press(KeyBindingDispatcher.java:507)	at org.eclipse.e4.ui.bindings.keys.KeyBindingDispatcher.processKeyEvent(KeyBindingDispatcher.java:558)	at org.eclipse.e4.ui.bindings.keys.KeyBindingDispatcher.filterKeySequenceBindings(KeyBindingDispatcher.java:378)	at org.eclipse.e4.ui.bindings.keys.KeyBindingDispatcher.access$0(KeyBindingDispatcher.java:324)	at org.eclipse.e4.ui.bindings.keys.KeyBindingDispatcher$KeyDownFilter.handleEvent(KeyBindingDispatcher.java:86)	at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84)	at org.eclipse.swt.widgets.Display.filterEvent(Display.java:1087)	at org.eclipse.swt.widgets.Display.sendEvent(Display.java:4184)	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1467)	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1490)	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1475)	at org.eclipse.swt.widgets.Widget.sendKeyEvent(Widget.java:1504)	at org.eclipse.swt.widgets.Widget.sendKeyEvent(Widget.java:1500)	at org.eclipse.swt.widgets.Tree.sendKeyEvent(Tree.java:2572)	at org.eclipse.swt.widgets.Control.keyDown(Control.java:2396)	at org.eclipse.swt.widgets.Composite.keyDown(Composite.java:607)	at org.eclipse.swt.widgets.Tree.keyDown(Tree.java:1971)	at org.eclipse.swt.widgets.Display.windowProc(Display.java:5629)	at org.eclipse.swt.internal.cocoa.OS.objc_msgSendSuper(Native Method)	at org.eclipse.swt.widgets.Widget.callSuper(Widget.java:221)	at org.eclipse.swt.widgets.Widget.windowSendEvent(Widget.java:2105)	at org.eclipse.swt.widgets.Shell.windowSendEvent(Shell.java:2329)	at org.eclipse.swt.widgets.Display.windowProc(Display.java:5691)	at org.eclipse.swt.internal.cocoa.OS.objc_msgSendSuper(Native Method)	at org.eclipse.swt.widgets.Display.applicationSendEvent(Display.java:5128)	at org.eclipse.swt.widgets.Display.applicationProc(Display.java:5277)	at org.eclipse.swt.internal.cocoa.OS.objc_msgSend(Native Method)	at org.eclipse.swt.internal.cocoa.NSApplication.sendEvent(NSApplication.java:128)	at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3655)	at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$9.run(PartRenderingEngine.java:1151)	at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332)	at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1032)	at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:148)	at org.eclipse.ui.internal.Workbench$5.run(Workbench.java:636)	at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332)	at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:579)	at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:150)	at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:135)	at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:196)	at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134)	at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104)	at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:380)	at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:235)	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)	at java.lang.reflect.Method.invoke(Method.java:483)	at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:648)	at org.eclipse.equinox.launcher.Main.basicRun(Main.java:603)	at org.eclipse.equinox.launcher.Main.run(Main.java:1465)