java.lang.ClassNotFoundException

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  • I configure Gradle in the Eclipse 4.3 preference pages. When I walked over the Gradle->WTP page (this shows WTP not installed, which is OK), I can't close the preference pages with OK. Only cancel is possible, losing the changes. The error log entry is: eclipse.buildId=4.3.0.I20130502-0800 java.version=1.7.0_21 java.vendor=Oracle Corporation BootLoader constants: OS=win32, ARCH=x86_64, WS=win32, NL=en_US Framework arguments: -showlocation Command-line arguments: -os win32 -ws win32 -arch x86_64 -showlocation Error Fri May 24 13:57:56 CEST 2013 org.eclipse.wst.common.componentcore.ComponentCore cannot be found by org.springsource.ide.eclipse.gradle.core_3.2.0.201303060652-RELEASE java.lang.ClassNotFoundException: org.eclipse.wst.common.componentcore.ComponentCore cannot be found by org.springsource.ide.eclipse.gradle.core_3.2.0.201303060652-RELEASE at org.eclipse.osgi.internal.loader.BundleLoader.findClassInternal(BundleLoader.java:501) at org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:421) at org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:412) at org.eclipse.osgi.internal.baseadaptor.DefaultClassLoader.loadClass(DefaultClassLoader.java:107) at java.lang.ClassLoader.loadClass(ClassLoader.java:356) at java.lang.Class.forName0(Native Method) at java.lang.Class.forName(Class.java:188) at org.springsource.ide.eclipse.gradle.core.wtp.WTPUtil.createImplementation(WTPUtil.java:252) at org.springsource.ide.eclipse.gradle.core.wtp.WTPUtil.<clinit>(WTPUtil.java:248) at org.springsource.ide.eclipse.gradle.ui.WTPPreferencesPage.createContents(WTPPreferencesPage.java:70) at org.eclipse.jface.preference.PreferencePage.createControl(PreferencePage.java:232) at org.eclipse.jface.preference.PreferenceDialog.createPageControl(PreferenceDialog.java:1502) at org.eclipse.jface.preference.PreferenceDialog$14.run(PreferenceDialog.java:1259) at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42) at org.eclipse.ui.internal.JFaceUtil$1.run(JFaceUtil.java:49) at org.eclipse.jface.util.SafeRunnable.run(SafeRunnable.java:175) at org.eclipse.jface.preference.PreferenceDialog.showPage(PreferenceDialog.java:1253) at org.eclipse.ui.internal.dialogs.FilteredPreferenceDialog.showPage(FilteredPreferenceDialog.java:675) at org.eclipse.jface.preference.PreferenceDialog$10.run(PreferenceDialog.java:709) at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:70) at org.eclipse.jface.preference.PreferenceDialog$9.selectionChanged(PreferenceDialog.java:705) at org.eclipse.jface.viewers.StructuredViewer$3.run(StructuredViewer.java:888) at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42) at org.eclipse.ui.internal.JFaceUtil$1.run(JFaceUtil.java:49) at org.eclipse.jface.util.SafeRunnable.run(SafeRunnable.java:175) at org.eclipse.jface.viewers.StructuredViewer.firePostSelectionChanged(StructuredViewer.java:886) at org.eclipse.jface.viewers.StructuredViewer.handlePostSelect(StructuredViewer.java:1226) at org.eclipse.jface.viewers.StructuredViewer$5.widgetSelected(StructuredViewer.java:1251) at org.eclipse.jface.util.OpenStrategy.firePostSelectionEvent(OpenStrategy.java:262) at org.eclipse.jface.util.OpenStrategy.access$5(OpenStrategy.java:256) at org.eclipse.jface.util.OpenStrategy$3.run(OpenStrategy.java:433) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:35) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:135) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4145) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3762) at org.eclipse.jface.window.Window.runEventLoop(Window.java:826) at org.eclipse.jface.window.Window.open(Window.java:802) at org.eclipse.ui.internal.dialogs.WorkbenchPreferenceDialog.open(WorkbenchPreferenceDialog.java:215) at org.eclipse.ui.internal.OpenPreferencesAction.run(OpenPreferencesAction.java:65) at org.eclipse.jface.action.Action.runWithEvent(Action.java:499) at org.eclipse.jface.action.ActionContributionItem.handleWidgetSelection(ActionContributionItem.java:584) at org.eclipse.jface.action.ActionContributionItem.access$2(ActionContributionItem.java:501) at org.eclipse.jface.action.ActionContributionItem$5.handleEvent(ActionContributionItem.java:411) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1057) at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:4170) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3759) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$9.run(PartRenderingEngine.java:1109) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:993) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:138) at org.eclipse.ui.internal.Workbench$5.run(Workbench.java:610) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:567) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:150) at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:124) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:196) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:110) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:79) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:354) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:181) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:601) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:636) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:591) at org.eclipse.equinox.launcher.Main.run(Main.java:1450)
    via by Martin Skorsky,
  • I configure Gradle in the Eclipse 4.3 preference pages. When I walked over the Gradle->WTP page (this shows WTP not installed, which is OK), I can't close the preference pages with OK. Only cancel is possible, losing the changes. The error log entry is: eclipse.buildId=4.3.0.I20130502-0800 java.version=1.7.0_21 java.vendor=Oracle Corporation BootLoader constants: OS=win32, ARCH=x86_64, WS=win32, NL=en_US Framework arguments: -showlocation Command-line arguments: -os win32 -ws win32 -arch x86_64 -showlocation Error Fri May 24 13:57:56 CEST 2013 org.eclipse.wst.common.componentcore.ComponentCore cannot be found by org.springsource.ide.eclipse.gradle.core_3.2.0.201303060652-RELEASE java.lang.ClassNotFoundException: org.eclipse.wst.common.componentcore.ComponentCore cannot be found by org.springsource.ide.eclipse.gradle.core_3.2.0.201303060652-RELEASE at org.eclipse.osgi.internal.loader.BundleLoader.findClassInternal(BundleLoader.java:501) at org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:421) at org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:412) at org.eclipse.osgi.internal.baseadaptor.DefaultClassLoader.loadClass(DefaultClassLoader.java:107) at java.lang.ClassLoader.loadClass(ClassLoader.java:356) at java.lang.Class.forName0(Native Method) at java.lang.Class.forName(Class.java:188) at org.springsource.ide.eclipse.gradle.core.wtp.WTPUtil.createImplementation(WTPUtil.java:252) at org.springsource.ide.eclipse.gradle.core.wtp.WTPUtil.<clinit>(WTPUtil.java:248) at org.springsource.ide.eclipse.gradle.ui.WTPPreferencesPage.createContents(WTPPreferencesPage.java:70) at org.eclipse.jface.preference.PreferencePage.createControl(PreferencePage.java:232) at org.eclipse.jface.preference.PreferenceDialog.createPageControl(PreferenceDialog.java:1502) at org.eclipse.jface.preference.PreferenceDialog$14.run(PreferenceDialog.java:1259) at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42) at org.eclipse.ui.internal.JFaceUtil$1.run(JFaceUtil.java:49) at org.eclipse.jface.util.SafeRunnable.run(SafeRunnable.java:175) at org.eclipse.jface.preference.PreferenceDialog.showPage(PreferenceDialog.java:1253) at org.eclipse.ui.internal.dialogs.FilteredPreferenceDialog.showPage(FilteredPreferenceDialog.java:675) at org.eclipse.jface.preference.PreferenceDialog$10.run(PreferenceDialog.java:709) at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:70) at org.eclipse.jface.preference.PreferenceDialog$9.selectionChanged(PreferenceDialog.java:705) at org.eclipse.jface.viewers.StructuredViewer$3.run(StructuredViewer.java:888) at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42) at org.eclipse.ui.internal.JFaceUtil$1.run(JFaceUtil.java:49) at org.eclipse.jface.util.SafeRunnable.run(SafeRunnable.java:175) at org.eclipse.jface.viewers.StructuredViewer.firePostSelectionChanged(StructuredViewer.java:886) at org.eclipse.jface.viewers.StructuredViewer.handlePostSelect(StructuredViewer.java:1226) at org.eclipse.jface.viewers.StructuredViewer$5.widgetSelected(StructuredViewer.java:1251) at org.eclipse.jface.util.OpenStrategy.firePostSelectionEvent(OpenStrategy.java:262) at org.eclipse.jface.util.OpenStrategy.access$5(OpenStrategy.java:256) at org.eclipse.jface.util.OpenStrategy$3.run(OpenStrategy.java:433) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:35) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:135) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4145) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3762) at org.eclipse.jface.window.Window.runEventLoop(Window.java:826) at org.eclipse.jface.window.Window.open(Window.java:802) at org.eclipse.ui.internal.dialogs.WorkbenchPreferenceDialog.open(WorkbenchPreferenceDialog.java:215) at org.eclipse.ui.internal.OpenPreferencesAction.run(OpenPreferencesAction.java:65) at org.eclipse.jface.action.Action.runWithEvent(Action.java:499) at org.eclipse.jface.action.ActionContributionItem.handleWidgetSelection(ActionContributionItem.java:584) at org.eclipse.jface.action.ActionContributionItem.access$2(ActionContributionItem.java:501) at org.eclipse.jface.action.ActionContributionItem$5.handleEvent(ActionContributionItem.java:411) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1057) at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:4170) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3759) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$9.run(PartRenderingEngine.java:1109) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:993) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:138) at org.eclipse.ui.internal.Workbench$5.run(Workbench.java:610) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:567) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:150) at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:124) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:196) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:110) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:79) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:354) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:181) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:601) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:636) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:591) at org.eclipse.equinox.launcher.Main.run(Main.java:1450)
    via by Martin Skorsky,
  • I imported spring framework as a gradle project and cannot get it compiling. I selected the spring-oxm project and clicked Gradle-> Enable dependency management. I got the exception below. I am running with E4.3, Spring-IDE, and gradle tooling. Perhaps there is an implicit dependency that was not installed. {code} java.lang.ClassNotFoundException: org.eclipse.wst.common.componentcore.ComponentCore cannot be found by org.springsource.ide.eclipse.gradle.core_3.2.0.201303060652-RELEASE at org.eclipse.osgi.internal.loader.BundleLoader.findClassInternal(BundleLoader.java:501) at org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:421) at org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:412) at org.eclipse.osgi.internal.baseadaptor.DefaultClassLoader.loadClass(DefaultClassLoader.java:107) at java.lang.ClassLoader.loadClass(ClassLoader.java:356) at java.lang.Class.forName0(Native Method) at java.lang.Class.forName(Class.java:186) at org.springsource.ide.eclipse.gradle.core.wtp.WTPUtil.createImplementation(WTPUtil.java:252) at org.springsource.ide.eclipse.gradle.core.wtp.WTPUtil.<clinit>(WTPUtil.java:248) at org.springsource.ide.eclipse.gradle.core.classpathcontainer.GradleClassPathContainer.addTo(GradleClassPathContainer.java:284) at org.springsource.ide.eclipse.gradle.ui.actions.EnableDisableDependencyManagementActionDelegate$1.doit(EnableDisableDependencyManagementActionDelegate.java:51) at org.springsource.ide.eclipse.gradle.core.util.GradleRunnable.run(GradleRunnable.java:85) at org.eclipse.jface.operation.ModalContext.runInCurrentThread(ModalContext.java:464) at org.eclipse.jface.operation.ModalContext.run(ModalContext.java:372) at org.eclipse.ui.internal.WorkbenchWindow$13.run(WorkbenchWindow.java:1671) at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:70) at org.eclipse.ui.internal.WorkbenchWindow.run(WorkbenchWindow.java:1668) at org.eclipse.ui.internal.progress.ProgressManager$RunnableWithStatus.run(ProgressManager.java:1346) at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:70) at org.eclipse.ui.internal.progress.ProgressManager$5.run(ProgressManager.java:1184) at org.eclipse.swt.widgets.Synchronizer.syncExec(Synchronizer.java:180) at org.eclipse.ui.internal.UISynchronizer.syncExec(UISynchronizer.java:150) at org.eclipse.swt.widgets.Display.syncExec(Display.java:4648) at org.eclipse.ui.internal.progress.ProgressManager.runInUI(ProgressManager.java:1182) at org.springsource.ide.eclipse.gradle.ui.actions.GradleProjectActionDelegate.runInUi(GradleProjectActionDelegate.java:151) at org.springsource.ide.eclipse.gradle.ui.actions.EnableDisableDependencyManagementActionDelegate.run(EnableDisableDependencyManagementActionDelegate.java:39) at org.eclipse.ui.internal.PluginAction.runWithEvent(PluginAction.java:251) at org.eclipse.jface.action.ActionContributionItem.handleWidgetSelection(ActionContributionItem.java:584) at org.eclipse.jface.action.ActionContributionItem.access$2(ActionContributionItem.java:501) at org.eclipse.jface.action.ActionContributionItem$5.handleEvent(ActionContributionItem.java:411) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84) at org.eclipse.swt.widgets.Display.sendEvent(Display.java:4164) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1466) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1489) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1474) at org.eclipse.swt.widgets.Widget.notifyListeners(Widget.java:1279) at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:4010) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3649) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$9.run(PartRenderingEngine.java:1108) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:992) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:137) at org.eclipse.ui.internal.Workbench$5.run(Workbench.java:600) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:555) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:149) at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:124) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:196) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:110) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:79) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:354) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:181) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:601) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:636) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:591) at org.eclipse.equinox.launcher.Main.run(Main.java:1450) {code}
    via by Andrew Eisenberg (c),
  • I imported spring framework as a gradle project and cannot get it compiling. I selected the spring-oxm project and clicked Gradle-> Enable dependency management. I got the exception below. I am running with E4.3, Spring-IDE, and gradle tooling. Perhaps there is an implicit dependency that was not installed. {code} java.lang.ClassNotFoundException: org.eclipse.wst.common.componentcore.ComponentCore cannot be found by org.springsource.ide.eclipse.gradle.core_3.2.0.201303060652-RELEASE at org.eclipse.osgi.internal.loader.BundleLoader.findClassInternal(BundleLoader.java:501) at org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:421) at org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:412) at org.eclipse.osgi.internal.baseadaptor.DefaultClassLoader.loadClass(DefaultClassLoader.java:107) at java.lang.ClassLoader.loadClass(ClassLoader.java:356) at java.lang.Class.forName0(Native Method) at java.lang.Class.forName(Class.java:186) at org.springsource.ide.eclipse.gradle.core.wtp.WTPUtil.createImplementation(WTPUtil.java:252) at org.springsource.ide.eclipse.gradle.core.wtp.WTPUtil.<clinit>(WTPUtil.java:248) at org.springsource.ide.eclipse.gradle.core.classpathcontainer.GradleClassPathContainer.addTo(GradleClassPathContainer.java:284) at org.springsource.ide.eclipse.gradle.ui.actions.EnableDisableDependencyManagementActionDelegate$1.doit(EnableDisableDependencyManagementActionDelegate.java:51) at org.springsource.ide.eclipse.gradle.core.util.GradleRunnable.run(GradleRunnable.java:85) at org.eclipse.jface.operation.ModalContext.runInCurrentThread(ModalContext.java:464) at org.eclipse.jface.operation.ModalContext.run(ModalContext.java:372) at org.eclipse.ui.internal.WorkbenchWindow$13.run(WorkbenchWindow.java:1671) at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:70) at org.eclipse.ui.internal.WorkbenchWindow.run(WorkbenchWindow.java:1668) at org.eclipse.ui.internal.progress.ProgressManager$RunnableWithStatus.run(ProgressManager.java:1346) at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:70) at org.eclipse.ui.internal.progress.ProgressManager$5.run(ProgressManager.java:1184) at org.eclipse.swt.widgets.Synchronizer.syncExec(Synchronizer.java:180) at org.eclipse.ui.internal.UISynchronizer.syncExec(UISynchronizer.java:150) at org.eclipse.swt.widgets.Display.syncExec(Display.java:4648) at org.eclipse.ui.internal.progress.ProgressManager.runInUI(ProgressManager.java:1182) at org.springsource.ide.eclipse.gradle.ui.actions.GradleProjectActionDelegate.runInUi(GradleProjectActionDelegate.java:151) at org.springsource.ide.eclipse.gradle.ui.actions.EnableDisableDependencyManagementActionDelegate.run(EnableDisableDependencyManagementActionDelegate.java:39) at org.eclipse.ui.internal.PluginAction.runWithEvent(PluginAction.java:251) at org.eclipse.jface.action.ActionContributionItem.handleWidgetSelection(ActionContributionItem.java:584) at org.eclipse.jface.action.ActionContributionItem.access$2(ActionContributionItem.java:501) at org.eclipse.jface.action.ActionContributionItem$5.handleEvent(ActionContributionItem.java:411) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84) at org.eclipse.swt.widgets.Display.sendEvent(Display.java:4164) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1466) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1489) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1474) at org.eclipse.swt.widgets.Widget.notifyListeners(Widget.java:1279) at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:4010) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3649) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$9.run(PartRenderingEngine.java:1108) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:992) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:137) at org.eclipse.ui.internal.Workbench$5.run(Workbench.java:600) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:555) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:149) at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:124) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:196) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:110) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:79) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:354) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:181) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:601) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:636) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:591) at org.eclipse.equinox.launcher.Main.run(Main.java:1450) {code}
    via by Andrew Eisenberg (c),
    • java.lang.ClassNotFoundException: org.eclipse.wst.common.componentcore.ComponentCore cannot be found by org.springsource.ide.eclipse.gradle.core_3.2.0.201303060652-RELEASE at org.eclipse.osgi.internal.loader.BundleLoader.findClassInternal(BundleLoader.java:501) at org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:421) at org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:412) at org.eclipse.osgi.internal.baseadaptor.DefaultClassLoader.loadClass(DefaultClassLoader.java:107) at java.lang.ClassLoader.loadClass(ClassLoader.java:356) at java.lang.Class.forName0(Native Method) at java.lang.Class.forName(Class.java:188) at org.springsource.ide.eclipse.gradle.core.wtp.WTPUtil.createImplementation(WTPUtil.java:252) at org.springsource.ide.eclipse.gradle.core.wtp.WTPUtil.<clinit>(WTPUtil.java:248) at org.springsource.ide.eclipse.gradle.ui.WTPPreferencesPage.createContents(WTPPreferencesPage.java:70) at org.eclipse.jface.preference.PreferencePage.createControl(PreferencePage.java:232) at org.eclipse.jface.preference.PreferenceDialog.createPageControl(PreferenceDialog.java:1502) at org.eclipse.jface.preference.PreferenceDialog$14.run(PreferenceDialog.java:1259) at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42) at org.eclipse.ui.internal.JFaceUtil$1.run(JFaceUtil.java:49) at org.eclipse.jface.util.SafeRunnable.run(SafeRunnable.java:175) at org.eclipse.jface.preference.PreferenceDialog.showPage(PreferenceDialog.java:1253) at org.eclipse.ui.internal.dialogs.FilteredPreferenceDialog.showPage(FilteredPreferenceDialog.java:675) at org.eclipse.jface.preference.PreferenceDialog$10.run(PreferenceDialog.java:709) at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:70) at org.eclipse.jface.preference.PreferenceDialog$9.selectionChanged(PreferenceDialog.java:705) at org.eclipse.jface.viewers.StructuredViewer$3.run(StructuredViewer.java:888) at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42) at org.eclipse.ui.internal.JFaceUtil$1.run(JFaceUtil.java:49) at org.eclipse.jface.util.SafeRunnable.run(SafeRunnable.java:175) at org.eclipse.jface.viewers.StructuredViewer.firePostSelectionChanged(StructuredViewer.java:886) at org.eclipse.jface.viewers.StructuredViewer.handlePostSelect(StructuredViewer.java:1226) at org.eclipse.jface.viewers.StructuredViewer$5.widgetSelected(StructuredViewer.java:1251) at org.eclipse.jface.util.OpenStrategy.firePostSelectionEvent(OpenStrategy.java:262) at org.eclipse.jface.util.OpenStrategy.access$5(OpenStrategy.java:256) at org.eclipse.jface.util.OpenStrategy$3.run(OpenStrategy.java:433) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:35) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:135) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4145) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3762) at org.eclipse.jface.window.Window.runEventLoop(Window.java:826) at org.eclipse.jface.window.Window.open(Window.java:802) at org.eclipse.ui.internal.dialogs.WorkbenchPreferenceDialog.open(WorkbenchPreferenceDialog.java:215) at org.eclipse.ui.internal.OpenPreferencesAction.run(OpenPreferencesAction.java:65) at org.eclipse.jface.action.Action.runWithEvent(Action.java:499) at org.eclipse.jface.action.ActionContributionItem.handleWidgetSelection(ActionContributionItem.java:584) at org.eclipse.jface.action.ActionContributionItem.access$2(ActionContributionItem.java:501) at org.eclipse.jface.action.ActionContributionItem$5.handleEvent(ActionContributionItem.java:411) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1057) at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:4170) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3759) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$9.run(PartRenderingEngine.java:1109) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:993) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:138) at org.eclipse.ui.internal.Workbench$5.run(Workbench.java:610) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:567) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:150) at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:124) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:196) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:110) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:79) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:354) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:181) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:601) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:636) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:591) at org.eclipse.equinox.launcher.Main.run(Main.java:1450)

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