Bug 321846

Description Tomasz Zarna 2010-08-05 06:12:40 EDT

I've installed Eclipse EGit and JGit (Incubation) 0.9.0.201008041537. Currently, I have no git cloned projects in my workspace. Nevertheless, after a while I noticed two entries in the Error Log:

-- Error Details --
Date: Thu Aug 05 12:05:59 CEST 2010
Message: Could not create action delegate for id: org.eclipse.egit.ui.internal.actions.DiscardChangesAction
Severity: Error
Product: Eclipse SDK 3.7.0.v201007270800 (org.eclipse.sdk.ide)
Plugin: org.eclipse.ui
Session Data:
eclipse.buildId=I20100727-0800
java.version=1.6.0_17
java.vendor=Sun Microsystems Inc.
BootLoader constants: OS=win32, ARCH=x86, WS=win32, NL=pl_PL
Command-line arguments:  -os win32 -ws win32 -arch x86

eclipse.buildId=I20100727-0800
java.version=1.6.0_17
java.vendor=Sun Microsystems Inc.
BootLoader constants: OS=win32, ARCH=x86, WS=win32, NL=pl_PL
Command-line arguments:  -os win32 -ws win32 -arch x86

Followed by:

Error
Thu Aug 05 12:05:59 CEST 2010
Internal plug-in action delegate error on creation.

java.lang.ArrayIndexOutOfBoundsException: 0
	at org.eclipse.egit.ui.internal.actions.DiscardChangesActionHandler.isEnabled(DiscardChangesActionHandler.java:65)
	at org.eclipse.egit.ui.internal.actions.RepositoryAction.isEnabled(RepositoryAction.java:123)
	at org.eclipse.egit.ui.internal.actions.RepositoryAction.selectionChanged(RepositoryAction.java:100)
	at org.eclipse.ui.internal.PluginAction.refreshEnablement(PluginAction.java:206)
	at org.eclipse.ui.internal.PluginAction.createDelegate(PluginAction.java:126)
	at org.eclipse.ui.internal.PluginAction.selectionChanged(PluginAction.java:275)
	at org.eclipse.ui.internal.PluginAction.<init>(PluginAction.java:112)
	at org.eclipse.ui.internal.ObjectPluginAction.<init>(ObjectPluginAction.java:83)
	at org.eclipse.ui.internal.ActionDescriptor.createAction(ActionDescriptor.java:272)
	at org.eclipse.ui.internal.ActionDescriptor.<init>(ActionDescriptor.java:176)
	at org.eclipse.ui.internal.ActionDescriptor.<init>(ActionDescriptor.java:103)
	at org.eclipse.ui.internal.ObjectActionContributor.createActionDescriptor(ObjectActionContributor.java:201)
	at org.eclipse.ui.internal.PluginActionBuilder.readElement(PluginActionBuilder.java:161)
	at org.eclipse.ui.internal.ObjectActionContributor.readElement(ObjectActionContributor.java:280)
	at org.eclipse.ui.internal.registry.RegistryReader.readElements(RegistryReader.java:144)
	at org.eclipse.ui.internal.registry.RegistryReader.readElementChildren(RegistryReader.java:133)
	at org.eclipse.ui.internal.ObjectActionContributor.readConfigElement(ObjectActionContributor.java:251)
	at org.eclipse.ui.internal.ObjectActionContributor.isApplicableTo(ObjectActionContributor.java:217)
	at org.eclipse.ui.internal.ObjectContributorManager.isApplicableTo(ObjectContributorManager.java:303)
	at org.eclipse.ui.internal.ObjectActionContributorManager.contributeObjectActions(ObjectActionContributorManager.java:83)
	at org.eclipse.ui.internal.PopupMenuExtender.addObjectActions(PopupMenuExtender.java:262)
	at org.eclipse.ui.internal.PopupMenuExtender.menuAboutToShow(PopupMenuExtender.java:339)
	at org.eclipse.jface.action.MenuManager.fireAboutToShow(MenuManager.java:338)
	at org.eclipse.jface.action.MenuManager.handleAboutToShow(MenuManager.java:469)
	at org.eclipse.jface.action.MenuManager.access$1(MenuManager.java:465)
	at org.eclipse.jface.action.MenuManager$2.menuShown(MenuManager.java:491)
	at org.eclipse.swt.widgets.TypedListener.handleEvent(TypedListener.java:241)
	at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84)
	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1053)
	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1077)
	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1058)
	at org.eclipse.swt.widgets.Control.WM_INITMENUPOPUP(Control.java:4488)
	at org.eclipse.swt.widgets.Control.windowProc(Control.java:4191)
	at org.eclipse.swt.widgets.Canvas.windowProc(Canvas.java:341)
	at org.eclipse.swt.widgets.Decorations.windowProc(Decorations.java:1598)
	at org.eclipse.swt.widgets.Shell.windowProc(Shell.java:2038)
	at org.eclipse.swt.widgets.Display.windowProc(Display.java:4873)
	at org.eclipse.swt.internal.win32.OS.TrackPopupMenu(Native Method)
	at org.eclipse.swt.widgets.Menu._setVisible(Menu.java:256)
	at org.eclipse.swt.widgets.Display.runPopups(Display.java:4107)
	at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3651)
	at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java:2629)
	at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:2593)
	at org.eclipse.ui.internal.Workbench.access$4(Workbench.java:2427)
	at org.eclipse.ui.internal.Workbench$7.run(Workbench.java:670)
	at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332)
	at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:663)
	at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:149)
	at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:115)
	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:369)
	at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:179)
	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.equinox.launcher.Main.invokeFramework(Main.java:619)
	at org.eclipse.equinox.launcher.Main.basicRun(Main.java:574)
	at org.eclipse.equinox.launcher.Main.run(Main.java:1407)