通过STS eclipse连接到ClearCase（CCRC）时，在日志中出现以下错误。
Spring Tool Suite
Version: 3.6.2.RELEASE
Build Id: 201410091308
Platform: Eclipse Luna SR1 (4.4.1)
ClearCase
Version: 7.1.0.10
Error
!ENTRY org.eclipse.jface 4 0 2015-02-05 10:25:39.807
!MESSAGE Unhandled event loop exception during blocked modal context.
!STACK 0
org.eclipse.swt.SWTException: Failed to execute runnable (java.lang.ClassCastException: org.eclipse.ui.internal.WorkbenchWindow cannot be cast to org.eclipse.jface.window.ApplicationWindow)
at org.eclipse.swt.SWT.error(SWT.java:4441)
at org.eclipse.swt.SWT.error(SWT.java:4356)
at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:139)
at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4147)
at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3764)
at org.eclipse.jface.operation.ModalContext$ModalContextThread.block(ModalContext.java:175)
at org.eclipse.jface.operation.ModalContext.run(ModalContext.java:390)
at org.eclipse.jface.dialogs.ProgressMonitorDialog.run(ProgressMonitorDialog.java:527)
at com.ibm.rational.clearcase.ui.util.CcProviderFactory$2.run(CcProviderFactory.java:663)
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:4734)
at com.ibm.rational.clearcase.ui.util.CcProviderFactory.showLoginDialog(CcProviderFactory.java:658)
at com.ibm.rational.clearcase.ui.util.CcProviderFactory.eventFired(CcProviderFactory.java:361)
at com.ibm.rational.team.client.rpm.events.GUIEventDispatcher.fireEvent(GUIEventDispatcher.java:48)
at com.ibm.rational.team.client.ui.actions.ConnectAction.run(ConnectAction.java:91)
at com.ibm.rational.clearcase.ui.wizards.joinProject.ServerComponent.onConnect(ServerComponent.java:118)
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:606)
at com.ibm.rational.team.client.ui.component.renderer.WidgetRenderer$1.widgetSelected(WidgetRenderer.java:278)
at org.eclipse.swt.widgets.TypedListener.handleEvent(TypedListener.java:248)
at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84)
at org.eclipse.swt.widgets.Display.sendEvent(Display.java:4353)
at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1061)
at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:4172)
at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3761)
at org.eclipse.jface.window.Window.runEventLoop(Window.java:832)
at org.eclipse.jface.window.Window.open(Window.java:808)
at com.ibm.rational.clearcase.ui.wizards.joinProject.ViewWizard.run(ViewWizard.java:94)
at com.ibm.rational.clearcase.ui.actions.CreateViewAction.run(CreateViewAction.java:63)
at com.ibm.rational.team.client.ui.actions.GIWorkbenchActionDelegate.run(GIWorkbenchActionDelegate.java:76)
at com.ibm.rational.clearcase.ui.actions.CCWorkbenchActionDelegate.run(CCWorkbenchActionDelegate.java:73)
at com.ibm.rational.team.client.ui.actions.GIActionDelegate.runWithEvent(GIActionDelegate.java:260)
at org.eclipse.ui.internal.PluginAction.runWithEvent(PluginAction.java:243)
at org.eclipse.ui.internal.WWinPluginAction.runWithEvent(WWinPluginAction.java:237)
at org.eclipse.jface.action.ActionContributionItem.handleWidgetSelection(ActionContributionItem.java:595)
at org.eclipse.jface.action.ActionContributionItem.access$2(ActionContributionItem.java:511)
at org.eclipse.jface.action.ActionContributionItem$5.handleEvent(ActionContributionItem.java:420)
at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84)
at org.eclipse.swt.widgets.Display.sendEvent(Display.java:4353)
at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1061)
at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:4172)
at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3761)
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:57)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:606)
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)
at org.eclipse.equinox.launcher.Main.main(Main.java:1438)
Caused by: java.lang.ClassCastException: org.eclipse.ui.internal.WorkbenchWindow cannot be cast to org.eclipse.jface.window.ApplicationWindow
at com.ibm.rational.clearcase.ui.toolbar.activities.ActivitiesToolbar.getCoolbarManager(ActivitiesToolbar.java:547)
at com.ibm.rational.clearcase.ui.toolbar.activities.ActivitiesToolbar.getActivitiesToolbarManager(ActivitiesToolbar.java:564)
at com.ibm.rational.clearcase.ui.toolbar.activities.ActivitiesToolbar.activitiesToolbarShouldBeShown(ActivitiesToolbar.java:332)
at com.ibm.rational.clearcase.ui.toolbar.activities.ActivitiesToolbar.updateToolbarForComboBox(ActivitiesToolbar.java:392)
at com.ibm.rational.clearcase.ui.toolbar.activities.ActivitiesToolbar.setCurrentWorkspaceContext(ActivitiesToolbar.java:128)
at com.ibm.rational.clearcase.ui.toolbar.activities.ActivitiesToolbar$3.eventFired(ActivitiesToolbar.java:308)
at com.ibm.rational.team.client.rpm.events.GUIEventDispatcher.fireEvent(GUIEventDispatcher.java:48)
at com.ibm.rational.clearcase.ui.util.CcProviderFactory$10.run(CcProviderFactory.java:2119)
at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:35)
at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:136)
... 64 more
答案 0 :(得分：1)
这可能表明CCRC eclipse插件3.6.2与最近的Eclipse Luna 4.4之间存在不兼容。
检查是否可以使用较旧的Eclipse安装/运行相同的插件，其中一个列在“System Requirements for the ClearCase Remote Client”中