Internal Error WindowBuilder encountered unexpected internal error. This could be caused by a WindowBuilder bug or by a misconfiguration issue, conflict, partialupdate, etc. org.eclipse.core.runtime.CoreException: Plug-in "org.eclipse.wb.xwt" was unable to instantiate class "org.eclipse.wb.internal.xwt.gefTree.EditPartFactory". #913
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Esha-coder
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please, can anyone resolve this error.....................
Internal Error
WindowBuilder encountered unexpected internal error.
This could be caused by a WindowBuilder bug or by a misconfiguration issue, conflict, partialupdate, etc.
org.eclipse.core.runtime.CoreException: Plug-in "org.eclipse.wb.xwt" was unable to instantiate class "org.eclipse.wb.internal.xwt.gefTree.EditPartFactory".
Hide stack trace.
Stack trace:
java.lang.ClassNotFoundException: com.google.common.collect.ImmutableList cannot be found by org.eclipse.wb.xwt_1.9.0.201608250402
at org.eclipse.osgi.internal.loader.BundleLoader.generateException(BundleLoader.java:562)
at org.eclipse.osgi.internal.loader.BundleLoader.findClass0(BundleLoader.java:557)
at org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:434)
at org.eclipse.osgi.internal.loader.ModuleClassLoader.loadClass(ModuleClassLoader.java:174)
at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:525)
at org.eclipse.wb.internal.xwt.gefTree.EditPartFactory.(EditPartFactory.java:27)
at java.base/jdk.internal.misc.Unsafe.ensureClassInitialized0(Native Method)
at java.base/jdk.internal.misc.Unsafe.ensureClassInitialized(Unsafe.java:1160)
at java.base/jdk.internal.reflect.MethodHandleAccessorFactory.ensureClassInitialized(MethodHandleAccessorFactory.java:340)
at java.base/jdk.internal.reflect.MethodHandleAccessorFactory.newConstructorAccessor(MethodHandleAccessorFactory.java:103)
at java.base/jdk.internal.reflect.ReflectionFactory.newConstructorAccessor(ReflectionFactory.java:173)
at java.base/java.lang.reflect.Constructor.acquireConstructorAccessor(Constructor.java:549)
at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499)
at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:486)
at org.eclipse.core.internal.registry.osgi.RegistryStrategyOSGI.createExecutableExtension(RegistryStrategyOSGI.java:233)
at org.eclipse.core.internal.registry.ExtensionRegistry.createExecutableExtension(ExtensionRegistry.java:987)
at org.eclipse.core.internal.registry.ConfigurationElement.createExecutableExtension(ConfigurationElement.java:275)
at org.eclipse.core.internal.registry.ConfigurationElementHandle.createExecutableExtension(ConfigurationElementHandle.java:65)
at org.eclipse.wb.internal.core.utils.external.ExternalFactoriesHelper.lambda$1(ExternalFactoriesHelper.java:182)
at org.eclipse.wb.internal.core.utils.execution.ExecutionUtils.runObject(ExecutionUtils.java:249)
at org.eclipse.wb.internal.core.utils.external.ExternalFactoriesHelper.createExecutableExtension(ExternalFactoriesHelper.java:170)
at org.eclipse.wb.internal.core.utils.external.ExternalFactoriesHelper.getElementsInstances(ExternalFactoriesHelper.java:155)
at org.eclipse.wb.internal.core.gefTree.EditPartFactory.getFactories(EditPartFactory.java:117)
at org.eclipse.wb.internal.core.gefTree.EditPartFactory.createEditPartPure(EditPartFactory.java:81)
at org.eclipse.wb.internal.core.gefTree.EditPartFactory.createEditPart(EditPartFactory.java:56)
at org.eclipse.wb.internal.gef.core.AbstractEditPartViewer.setInput(AbstractEditPartViewer.java:95)
at org.eclipse.wb.internal.core.editor.structure.components.ComponentsTreePage.setInput(ComponentsTreePage.java:283)
at org.eclipse.wb.internal.core.editor.structure.DesignComponentsComposite.setInput(DesignComponentsComposite.java:90)
at org.eclipse.wb.internal.core.editor.JavaDesignComposite.refresh(JavaDesignComposite.java:139)
at org.eclipse.wb.internal.core.editor.DesignPage.internal_refreshGEF(DesignPage.java:602)
at org.eclipse.wb.internal.core.editor.DesignPage$8$1.run(DesignPage.java:466)
at org.eclipse.swt.widgets.Synchronizer.syncExec(Synchronizer.java:183)
at org.eclipse.ui.internal.UISynchronizer.syncExec(UISynchronizer.java:133)
at org.eclipse.swt.widgets.Display.syncExec(Display.java:4855)
at org.eclipse.wb.internal.core.editor.DesignPage$8.run(DesignPage.java:462)
at org.eclipse.jface.operation.ModalContext.runInCurrentThread(ModalContext.java:434)
at org.eclipse.jface.operation.ModalContext.run(ModalContext.java:354)
at org.eclipse.jface.dialogs.ProgressMonitorDialog.run(ProgressMonitorDialog.java:470)
at org.eclipse.wb.internal.core.editor.DesignPage.internal_refreshGEF_withProgress(DesignPage.java:482)
at org.eclipse.wb.internal.core.editor.DesignPage.internal_refreshGEF(DesignPage.java:430)
at org.eclipse.wb.internal.core.editor.UndoManager.refreshDesignerEditor(UndoManager.java:385)
at org.eclipse.wb.internal.core.editor.UndoManager.activate(UndoManager.java:86)
at org.eclipse.wb.internal.core.editor.DesignPage.handleActiveState_True(DesignPage.java:273)
at org.eclipse.wb.internal.core.editor.DesignPage.handleActiveState(DesignPage.java:250)
at org.eclipse.wb.internal.core.editor.multi.DefaultMultiMode.showPage(DefaultMultiMode.java:127)
at org.eclipse.wb.internal.core.editor.multi.DefaultMultiMode$1.widgetSelected(DefaultMultiMode.java:63)
at org.eclipse.swt.widgets.TypedListener.handleEvent(TypedListener.java:265)
at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:91)
at org.eclipse.swt.widgets.Display.sendEvent(Display.java:4326)
at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1174)
at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1198)
at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1183)
at org.eclipse.swt.widgets.Widget.notifyListeners(Widget.java:853)
at org.eclipse.swt.custom.CTabFolder.setSelection(CTabFolder.java:3258)
at org.eclipse.swt.custom.CTabFolder.onMouse(CTabFolder.java:1897)
at org.eclipse.swt.custom.CTabFolder.lambda$0(CTabFolder.java:331)
at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:91)
at org.eclipse.swt.widgets.Display.sendEvent(Display.java:4326)
at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1174)
at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:4124)
at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3712)
at org.eclipse.jface.window.Window.runEventLoop(Window.java:823)
at org.eclipse.jface.window.Window.open(Window.java:799)
at org.eclipse.epp.internal.mpc.ui.commands.AbstractMarketplaceWizardCommand.openWizardDialog(AbstractMarketplaceWizardCommand.java:146)
at org.eclipse.epp.internal.mpc.ui.commands.AbstractMarketplaceWizardCommand.execute(AbstractMarketplaceWizardCommand.java:73)
at org.eclipse.ui.internal.handlers.HandlerProxy.execute(HandlerProxy.java:277)
at org.eclipse.ui.internal.handlers.E4HandlerProxy.execute(E4HandlerProxy.java:98)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)
at org.eclipse.e4.core.internal.di.MethodRequestor.execute(MethodRequestor.java:56)
at org.eclipse.e4.core.internal.di.InjectorImpl.invokeUsingClass(InjectorImpl.java:299)
at org.eclipse.e4.core.internal.di.InjectorImpl.invoke(InjectorImpl.java:233)
at org.eclipse.e4.core.contexts.ContextInjectionFactory.invoke(ContextInjectionFactory.java:174)
at org.eclipse.e4.core.commands.internal.HandlerServiceHandler.execute(HandlerServiceHandler.java:165)
at org.eclipse.core.commands.Command.executeWithChecks(Command.java:488)
at org.eclipse.core.commands.ParameterizedCommand.executeWithChecks(ParameterizedCommand.java:485)
at org.eclipse.e4.core.commands.internal.HandlerServiceImpl.executeHandler(HandlerServiceImpl.java:204)
at org.eclipse.e4.ui.workbench.renderers.swt.HandledContributionItem.executeItem(HandledContributionItem.java:444)
at org.eclipse.e4.ui.workbench.renderers.swt.AbstractContributionItem.handleWidgetSelection(AbstractContributionItem.java:442)
at org.eclipse.e4.ui.workbench.renderers.swt.AbstractContributionItem.lambda$2(AbstractContributionItem.java:464)
at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:91)
at org.eclipse.swt.widgets.Display.sendEvent(Display.java:4326)
at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1174)
at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:4124)
at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3712)
at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1151)
at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:339)
at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1042)
at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:153)
at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:639)
at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:339)
at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:546)
at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:173)
at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:152)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:208)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:143)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:109)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:439)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:271)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:668)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:605)
at org.eclipse.equinox.launcher.Main.run(Main.java:1481)
Full context stack trace:
org.eclipse.core.runtime.CoreException: Plug-in "org.eclipse.wb.xwt" was unable to instantiate class "org.eclipse.wb.internal.xwt.gefTree.EditPartFactory".
at org.eclipse.core.internal.registry.osgi.RegistryStrategyOSGI.throwException(RegistryStrategyOSGI.java:242)
at org.eclipse.core.internal.registry.osgi.RegistryStrategyOSGI.createExecutableExtension(RegistryStrategyOSGI.java:235)
at org.eclipse.core.internal.registry.ExtensionRegistry.createExecutableExtension(ExtensionRegistry.java:987)
at org.eclipse.core.internal.registry.ConfigurationElement.createExecutableExtension(ConfigurationElement.java:275)
at org.eclipse.core.internal.registry.ConfigurationElementHandle.createExecutableExtension(ConfigurationElementHandle.java:65)
at org.eclipse.wb.internal.core.utils.external.ExternalFactoriesHelper.lambda$1(ExternalFactoriesHelper.java:182)
at org.eclipse.wb.internal.core.utils.execution.ExecutionUtils.runObject(ExecutionUtils.java:249)
at org.eclipse.wb.internal.core.utils.external.ExternalFactoriesHelper.createExecutableExtension(ExternalFactoriesHelper.java:170)
at org.eclipse.wb.internal.core.utils.external.ExternalFactoriesHelper.getElementsInstances(ExternalFactoriesHelper.java:155)
at org.eclipse.wb.internal.core.gefTree.EditPartFactory.getFactories(EditPartFactory.java:117)
at org.eclipse.wb.internal.core.gefTree.EditPartFactory.createEditPartPure(EditPartFactory.java:81)
at org.eclipse.wb.internal.core.gefTree.EditPartFactory.createEditPart(EditPartFactory.java:56)
at org.eclipse.wb.internal.gef.core.AbstractEditPartViewer.setInput(AbstractEditPartViewer.java:95)
at org.eclipse.wb.internal.core.editor.structure.components.ComponentsTreePage.setInput(ComponentsTreePage.java:283)
at org.eclipse.wb.internal.core.editor.structure.DesignComponentsComposite.setInput(DesignComponentsComposite.java:90)
at org.eclipse.wb.internal.core.editor.JavaDesignComposite.refresh(JavaDesignComposite.java:139)
at org.eclipse.wb.internal.core.editor.DesignPage.internal_refreshGEF(DesignPage.java:602)
at org.eclipse.wb.internal.core.editor.DesignPage$8$1.run(DesignPage.java:466)
at org.eclipse.swt.widgets.Synchronizer.syncExec(Synchronizer.java:183)
at org.eclipse.ui.internal.UISynchronizer.syncExec(UISynchronizer.java:133)
at org.eclipse.swt.widgets.Display.syncExec(Display.java:4855)
at org.eclipse.wb.internal.core.editor.DesignPage$8.run(DesignPage.java:462)
at org.eclipse.jface.operation.ModalContext.runInCurrentThread(ModalContext.java:434)
at org.eclipse.jface.operation.ModalContext.run(ModalContext.java:354)
at org.eclipse.jface.dialogs.ProgressMonitorDialog.run(ProgressMonitorDialog.java:470)
at org.eclipse.wb.internal.core.editor.DesignPage.internal_refreshGEF_withProgress(DesignPage.java:482)
at org.eclipse.wb.internal.core.editor.DesignPage.internal_refreshGEF(DesignPage.java:430)
at org.eclipse.wb.internal.core.editor.UndoManager.refreshDesignerEditor(UndoManager.java:385)
at org.eclipse.wb.internal.core.editor.UndoManager.activate(UndoManager.java:86)
at org.eclipse.wb.internal.core.editor.DesignPage.handleActiveState_True(DesignPage.java:273)
at org.eclipse.wb.internal.core.editor.DesignPage.handleActiveState(DesignPage.java:250)
at org.eclipse.wb.internal.core.editor.multi.DefaultMultiMode.showPage(DefaultMultiMode.java:127)
at org.eclipse.wb.internal.core.editor.multi.DefaultMultiMode$1.widgetSelected(DefaultMultiMode.java:63)
at org.eclipse.swt.widgets.TypedListener.handleEvent(TypedListener.java:265)
at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:91)
at org.eclipse.swt.widgets.Display.sendEvent(Display.java:4326)
at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1174)
at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1198)
at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1183)
at org.eclipse.swt.widgets.Widget.notifyListeners(Widget.java:853)
at org.eclipse.swt.custom.CTabFolder.setSelection(CTabFolder.java:3258)
at org.eclipse.swt.custom.CTabFolder.onMouse(CTabFolder.java:1897)
at org.eclipse.swt.custom.CTabFolder.lambda$0(CTabFolder.java:331)
at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:91)
at org.eclipse.swt.widgets.Display.sendEvent(Display.java:4326)
at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1174)
at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:4124)
at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3712)
at org.eclipse.jface.window.Window.runEventLoop(Window.java:823)
at org.eclipse.jface.window.Window.open(Window.java:799)
at org.eclipse.epp.internal.mpc.ui.commands.AbstractMarketplaceWizardCommand.openWizardDialog(AbstractMarketplaceWizardCommand.java:146)
at org.eclipse.epp.internal.mpc.ui.commands.AbstractMarketplaceWizardCommand.execute(AbstractMarketplaceWizardCommand.java:73)
at org.eclipse.ui.internal.handlers.HandlerProxy.execute(HandlerProxy.java:277)
at org.eclipse.ui.internal.handlers.E4HandlerProxy.execute(E4HandlerProxy.java:98)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)
at org.eclipse.e4.core.internal.di.MethodRequestor.execute(MethodRequestor.java:56)
at org.eclipse.e4.core.internal.di.InjectorImpl.invokeUsingClass(InjectorImpl.java:299)
at org.eclipse.e4.core.internal.di.InjectorImpl.invoke(InjectorImpl.java:233)
at org.eclipse.e4.core.contexts.ContextInjectionFactory.invoke(ContextInjectionFactory.java:174)
at org.eclipse.e4.core.commands.internal.HandlerServiceHandler.execute(HandlerServiceHandler.java:165)
at org.eclipse.core.commands.Command.executeWithChecks(Command.java:488)
at org.eclipse.core.commands.ParameterizedCommand.executeWithChecks(ParameterizedCommand.java:485)
at org.eclipse.e4.core.commands.internal.HandlerServiceImpl.executeHandler(HandlerServiceImpl.java:204)
at org.eclipse.e4.ui.workbench.renderers.swt.HandledContributionItem.executeItem(HandledContributionItem.java:444)
at org.eclipse.e4.ui.workbench.renderers.swt.AbstractContributionItem.handleWidgetSelection(AbstractContributionItem.java:442)
at org.eclipse.e4.ui.workbench.renderers.swt.AbstractContributionItem.lambda$2(AbstractContributionItem.java:464)
at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:91)
at org.eclipse.swt.widgets.Display.sendEvent(Display.java:4326)
at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1174)
at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:4124)
at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3712)
at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1151)
at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:339)
at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1042)
at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:153)
at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:639)
at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:339)
at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:546)
at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:173)
at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:152)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:208)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:143)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:109)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:439)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:271)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:668)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:605)
at org.eclipse.equinox.launcher.Main.run(Main.java:1481)
Caused by: java.lang.NoClassDefFoundError: com/google/common/collect/ImmutableList
at org.eclipse.wb.internal.xwt.gefTree.EditPartFactory.(EditPartFactory.java:27)
at java.base/jdk.internal.misc.Unsafe.ensureClassInitialized0(Native Method)
at java.base/jdk.internal.misc.Unsafe.ensureClassInitialized(Unsafe.java:1160)
at java.base/jdk.internal.reflect.MethodHandleAccessorFactory.ensureClassInitialized(MethodHandleAccessorFactory.java:340)
at java.base/jdk.internal.reflect.MethodHandleAccessorFactory.newConstructorAccessor(MethodHandleAccessorFactory.java:103)
at java.base/jdk.internal.reflect.ReflectionFactory.newConstructorAccessor(ReflectionFactory.java:173)
at java.base/java.lang.reflect.Constructor.acquireConstructorAccessor(Constructor.java:549)
at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499)
at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:486)
at org.eclipse.core.internal.registry.osgi.RegistryStrategyOSGI.createExecutableExtension(RegistryStrategyOSGI.java:233)
... 89 more
Caused by: java.lang.ClassNotFoundException: com.google.common.collect.ImmutableList cannot be found by org.eclipse.wb.xwt_1.9.0.201608250402
at org.eclipse.osgi.internal.loader.BundleLoader.generateException(BundleLoader.java:562)
at org.eclipse.osgi.internal.loader.BundleLoader.findClass0(BundleLoader.java:557)
at org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:434)
at org.eclipse.osgi.internal.loader.ModuleClassLoader.loadClass(ModuleClassLoader.java:174)
at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:525)
... 99 more
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