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Bug 352920

Summary:	NPE while opening history view
Product:	[Technology] EGit	Reporter:	Benjamin Muskalla <b.muskalla>
Component:	UI	Assignee:	Kevin Sawicki <kevin>
Status:	RESOLVED FIXED	QA Contact:
Severity:	normal
Priority:	P3	CC:	daniel_megert, markus.kell.r, matthias.sohn
Version:	unspecified
Target Milestone:	---
Hardware:	PC
OS:	Linux
Whiteboard:

Description Benjamin Muskalla

2011-07-22 18:35:40 EDT

What steps will reproduce the problem?
1. Happened while I activated History view


-- Error Details --
Date: Sat Jul 23 00:33:59 CEST 2011
Message: Unhandled event loop exception
Severity: Error
Product: Eclipse 1.4.0.20110609-1120 (org.eclipse.epp.package.rcp.product)
Plugin: org.eclipse.ui
Session Data:
eclipse.buildId=I20110613-1736
java.version=1.6.0_22
java.vendor=Sun Microsystems Inc.
BootLoader constants: OS=linux, ARCH=x86, WS=gtk, NL=en_US
Framework arguments:  -product org.eclipse.epp.package.rcp.product
Command-line arguments:  -os linux -ws gtk -arch x86 -product org.eclipse.epp.package.rcp.product

Exception Stack Trace:
org.eclipse.swt.SWTException: Failed to execute runnable (java.lang.NullPointerException)
	at org.eclipse.swt.SWT.error(SWT.java:4282)
	at org.eclipse.swt.SWT.error(SWT.java:4197)
	at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:138)
	at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:3563)
	at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3212)
	at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java:2696)
	at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:2660)
	at org.eclipse.ui.internal.Workbench.access$4(Workbench.java:2494)
	at org.eclipse.ui.internal.Workbench$7.run(Workbench.java:674)
	at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332)
	at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:667)
	at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:149)
	at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:123)
	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:344)
	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:57)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:616)
	at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:622)
	at org.eclipse.equinox.launcher.Main.basicRun(Main.java:577)
	at org.eclipse.equinox.launcher.Main.run(Main.java:1410)
Caused by: java.lang.NullPointerException
	at org.eclipse.egit.ui.internal.history.CommitMessageViewer$7$1.run(CommitMessageViewer.java:246)
	at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:35)
	at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:135)
	... 22 more

Comment 1 Dani Megert

2011-09-27 11:00:52 EDT

Got this too using 1.1.0.201109151100-r.

Comment 2 Markus Keller

2011-10-04 11:13:28 EDT

1.2.0.201110021920

I had Link with Editor and Selection enabled. When I brought the History view to front, it was set to file mode. I clicked the repository mode button while the view was still refreshing and then got the NPE after a while. Could not reproduce.

Comment 3 Kevin Sawicki

2011-11-16 20:41:28 EST

Proposed fix pushed to: http://egit.eclipse.org/r/4633

Comment 4 Matthias Sohn

2011-11-17 16:46:58 EST

merged as 4437b2270058f9d1108aa72a2c6b6a1ea278dc01