Description George Lindholm 2013-03-15 19:30:02 EDT

What steps will reproduce the problem?
1. Show sleeping and system operations in the Progress view
2. no idea. Had just started a Perforce consistency check when it happened
3. 


-- Error Details --
Date: Fri Mar 15 16:15:24 PDT 2013
Message: An internal error has occurred.
Severity: Error
Product: Eclipse 1.5.2.20130110-1126 (org.eclipse.epp.package.java.product)
Plugin: org.eclipse.ui
Session Data:
eclipse.buildId=M20130204-1200
java.version=1.7.0_17
java.vendor=Oracle Corporation
BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US
Framework arguments:  -product org.eclipse.epp.package.java.product
Command-line arguments:  -os linux -ws gtk -arch x86_64 -product org.eclipse.epp.package.java.product

Exception Stack Trace:
java.lang.IllegalArgumentException: Comparison method violates its general contract!
	at java.util.TimSort.mergeHi(TimSort.java:868)
	at java.util.TimSort.mergeAt(TimSort.java:485)
	at java.util.TimSort.mergeForceCollapse(TimSort.java:426)
	at java.util.TimSort.sort(TimSort.java:223)
	at java.util.TimSort.sort(TimSort.java:173)
	at java.util.Arrays.sort(Arrays.java:659)
	at org.eclipse.jface.viewers.ViewerComparator.sort(ViewerComparator.java:187)
	at org.eclipse.ui.internal.progress.DetailedProgressViewer.add(DetailedProgressViewer.java:166)
	at org.eclipse.ui.internal.progress.ProgressViewerContentProvider.add(ProgressViewerContentProvider.java:224)
	at org.eclipse.ui.internal.progress.ProgressViewUpdater$1.runInUIThread(ProgressViewUpdater.java:285)
	at org.eclipse.ui.progress.UIJob$1.run(UIJob.java:95)
	at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:35)
	at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:135)
	at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:3537)
	at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3189)
	at org.eclipse.e4.ui.workbench.renderers.swt.StackRenderer.showMenu(StackRenderer.java:1235)
	at org.eclipse.e4.ui.workbench.renderers.swt.StackRenderer$14.widgetSelected(StackRenderer.java:1164)
	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.Widget.sendEvent(Widget.java:1276)
	at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:3562)
	at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3186)
	at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$9.run(PartRenderingEngine.java:1045)
	at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332)
	at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:940)
	at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:86)
	at org.eclipse.ui.internal.Workbench$5.run(Workbench.java:587)
	at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332)
	at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:542)
	at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:149)
	at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:124)
	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:353)
	at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:180)
	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:601)
	at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:629)
	at org.eclipse.equinox.launcher.Main.basicRun(Main.java:584)
	at org.eclipse.equinox.launcher.Main.run(Main.java:1438)
	at org.eclipse.equinox.launcher.Main.main(Main.java:1414)