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Bug 339829 - NPE in PlotCommit#getRefCount
Summary: NPE in PlotCommit#getRefCount
Status: RESOLVED FIXED
Alias: None
Product: JGit
Classification: Technology
Component: JGit (show other bugs)
Version: 0.12   Edit
Hardware: PC Windows 7
: P3 normal (vote)
Target Milestone: 0.12-M1   Edit
Assignee: Project Inbox CLA
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Keywords:
Depends on:
Blocks:
 
Reported: 2011-03-13 11:57 EDT by Nicolas Bros CLA
Modified: 2011-03-14 10:49 EDT (History)
1 user (show)

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Description Nicolas Bros CLA 2011-03-13 11:57:53 EDT 
I got the following exception after doing "Compare With > Commit..."

java.lang.NullPointerException
	at org.eclipse.jgit.revplot.PlotCommit.getRefCount(PlotCommit.java:156)
	at org.eclipse.egit.ui.internal.history.CommitGraphTable$4.mouseHover(CommitGraphTable.java:198)
	at org.eclipse.swt.widgets.TypedListener.handleEvent(TypedListener.java:201)
	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.jface.window.Window.runEventLoop(Window.java:825)
	at org.eclipse.jface.window.Window.open(Window.java:801)
	at org.eclipse.egit.ui.internal.actions.CompareWithCommitActionHandler.execute(CompareWithCommitActionHandler.java:53)
	at org.eclipse.egit.ui.internal.actions.RepositoryAction.run(RepositoryAction.java:85)
	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.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(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)
Comment 1 Nicolas Bros CLA 2011-03-13 11:59:52 EDT 
This error happens when I hover the mouse over an element in the list.
Comment 2 Mathias Kinzler CLA 2011-03-14 10:48:29 EDT 
Code review at

http://egit.eclipse.org/r/#change,2702
Comment 3 Mathias Kinzler CLA 2011-03-14 10:49:49 EDT 
Merged as 9b941d017228a236d733abce183b2fecef69d682