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Build Identifier: EGit 0.9.3 Somehow I seem to have a talent to find these corner cases... I tried to work with the history just after deleting the corresponding project, and this gave an NPE: Error Mon Dec 20 11:51:40 CET 2010 Unhandled event loop exception java.lang.NullPointerException at org.eclipse.egit.ui.internal.history.command.AbstractHistoryCommanndHandler.getRepository(AbstractHistoryCommanndHandler.java:145) at org.eclipse.egit.ui.internal.history.command.ResetHandler.execute(ResetHandler.java:31) at org.eclipse.ui.internal.handlers.HandlerProxy.execute(HandlerProxy.java:293) at org.eclipse.core.commands.Command.executeWithChecks(Command.java:476) at org.eclipse.core.commands.ParameterizedCommand.executeWithChecks(ParameterizedCommand.java:508) at org.eclipse.ui.internal.handlers.HandlerService.executeCommand(HandlerService.java:169) at org.eclipse.ui.internal.handlers.SlaveHandlerService.executeCommand(SlaveHandlerService.java:241) at org.eclipse.ui.internal.handlers.SlaveHandlerService.executeCommand(SlaveHandlerService.java:241) at org.eclipse.ui.internal.handlers.SlaveHandlerService.executeCommand(SlaveHandlerService.java:241) at org.eclipse.ui.menus.CommandContributionItem.handleWidgetSelection(CommandContributionItem.java:820) at org.eclipse.ui.menus.CommandContributionItem.access$19(CommandContributionItem.java:806) at org.eclipse.ui.menus.CommandContributionItem$5.handleEvent(CommandContributionItem.java:796) 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.Display.runDeferredEvents(Display.java:4066) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3657) at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java:2640) at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:2604) at org.eclipse.ui.internal.Workbench.access$4(Workbench.java:2438) at org.eclipse.ui.internal.Workbench$7.run(Workbench.java:671) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:664) 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(NativeMethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:597) 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) Reproducible: Always Steps to Reproduce: 1. Close all editors, open the history view, select a shared project 2. Close the project 3. Delete the project; the history view still shows the history 4. Select a commit an choose Reset > Hard Just in case this matters, the view was in the following mode: "Link with Editor and Selection", "Show find Toolbar", "Show all changes in Repository...".
Today I saw a similar error. After closing and removing a Git repository (that was shown in the history view before), I got the following error when clicking on commits in the - still opened - history view: org.eclipse.jgit.errors.MissingObjectException: Missing tree 44437440099c8757aaf0637567c98afb8c0945af at org.eclipse.jgit.storage.file.WindowCursor.open(WindowCursor.java:118) at org.eclipse.jgit.treewalk.CanonicalTreeParser.reset(CanonicalTreeParser.java:193) at org.eclipse.jgit.treewalk.TreeWalk.parserFor(TreeWalk.java:982) ... When clicking on an entry in the file list belonging to a commit the error is different: org.eclipse.jgit.errors.MissingObjectException: Missing blob 08bb2331e777f431177c40df6841c0034f89fb58 at org.eclipse.jgit.storage.file.WindowCursor.open(WindowCursor.java:118) at org.eclipse.jgit.diff.ContentSource$ObjectReaderSource.open(ContentSource.java:146) at org.eclipse.jgit.diff.ContentSource$Pair.open(ContentSource.java:329) ...
Fix proposed: http://egit.eclipse.org/r/2945
Fixed in nightly build.
