eb29c293c7ccf14a60a23c18ca898d19bcbde3d8

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** [bugs:#824] Unhandled event loop exception, share multiple projects**

**Status:** open-fixed
**Created:** Tue Jan 21, 2014 03:15 PM UTC by Martin
**Last Updated:** Tue Jan 21, 2014 03:51 PM UTC
**Owner:** Stefan Rossbach

When sharing multiple projects, over the "Work together on" menu and then 
"Multiple Projects" then choose more than 1 project and confirm an error occurs 
(Unhandled event loop exception).
 

java.lang.IllegalArgumentException: Comparison method violates its general 
contract!
        at java.util.TimSort.mergeLo(Unknown Source)
        at java.util.TimSort.mergeAt(Unknown Source)
        at java.util.TimSort.mergeCollapse(Unknown Source)
        at java.util.TimSort.sort(Unknown Source)
        at java.util.TimSort.sort(Unknown Source)
        at java.util.Arrays.sort(Unknown Source)
        at java.util.Collections.sort(Unknown Source)
        at 
de.fu_berlin.inf.dpp.ui.util.CollaborationUtils.acquireResources(CollaborationUtils.java:307)
        at 
de.fu_berlin.inf.dpp.ui.util.CollaborationUtils.startSession(CollaborationUtils.java:82)
        at 
de.fu_berlin.inf.dpp.ui.wizards.StartSessionWizard.performFinish(StartSessionWizard.java:86)
        at 
org.eclipse.jface.wizard.WizardDialog.finishPressed(WizardDialog.java:827)
        at 
org.eclipse.jface.wizard.WizardDialog.buttonPressed(WizardDialog.java:432)
        at org.eclipse.jface.dialogs.Dialog$2.widgetSelected(Dialog.java:624)
        at 
org.eclipse.swt.widgets.TypedListener.handleEvent(TypedListener.java:240)
        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:4165)
        at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3754)
        at org.eclipse.jface.window.Window.runEventLoop(Window.java:825)
        at org.eclipse.jface.window.Window.open(Window.java:801)
        at de.fu_berlin.inf.dpp.ui.util.WizardUtils$1.call(WizardUtils.java:49)
        at de.fu_berlin.inf.dpp.ui.util.WizardUtils$1.call(WizardUtils.java:1)
        at de.fu_berlin.inf.dpp.ui.util.SWTUtils$1.run(SWTUtils.java:161)
        at de.fu_berlin.inf.dpp.util.Utils$2.run(Utils.java:175)
        at org.eclipse.swt.widgets.Synchronizer.syncExec(Synchronizer.java:180)
        at 
org.eclipse.ui.internal.UISynchronizer.syncExec(UISynchronizer.java:150)
        at org.eclipse.swt.widgets.Display.syncExec(Display.java:4683)
        at 
de.fu_berlin.inf.dpp.ui.util.SWTUtils.runSafeSWTSync(SWTUtils.java:188)
        at de.fu_berlin.inf.dpp.ui.util.SWTUtils.runSWTSync(SWTUtils.java:157)
        at 
de.fu_berlin.inf.dpp.ui.util.WizardUtils.openWizard(WizardUtils.java:43)
        at 
de.fu_berlin.inf.dpp.ui.util.WizardUtils.openWizardSuccessfully(WizardUtils.java:68)
        at 
de.fu_berlin.inf.dpp.ui.util.WizardUtils.openWizardSuccessfully(WizardUtils.java:81)
        at 
de.fu_berlin.inf.dpp.ui.util.WizardUtils.openStartSessionWizard(WizardUtils.java:160)
        at 
de.fu_berlin.inf.dpp.ui.commandHandlers.ShareProjectHandler.execute(ShareProjectHandler.java:52)
        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.menus.CommandContributionItem.handleWidgetSelection(CommandContributionItem.java:829)
        at 
org.eclipse.ui.menus.CommandContributionItem.access$19(CommandContributionItem.java:815)
        at 
org.eclipse.ui.menus.CommandContributionItem$5.handleEvent(CommandContributionItem.java:805)
        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:4165)
        at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3754)
        at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java:2701)
        at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:2665)
        at org.eclipse.ui.internal.Workbench.access$4(Workbench.java:2499)
        at org.eclipse.ui.internal.Workbench$7.run(Workbench.java:679)
        at 
org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332)
        at 
org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:668)
        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(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:622)
        at org.eclipse.equinox.launcher.Main.basicRun(Main.java:577)
        at org.eclipse.equinox.launcher.Main.run(Main.java:1410)
        at org.eclipse.equinox.launcher.Main.main(Main.java:1386)


Session Data: 

eclipse.buildId=M20120208-0800
java.version=1.7.0_11
java.vendor=Oracle Corporation
BootLoader constants: OS=win32, ARCH=x86_64, WS=win32, NL=de_DE
Framework arguments:  -product org.eclipse.epp.package.rcp.product
Command-line arguments:  -os win32 -ws win32 -arch x86_64 -product 
org.eclipse.epp.package.rcp.product



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