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GMF : Unhandled event loop exception error [message #699497] Thu, 21 July 2011 12:35 Go to next message
Eclipse UserFriend
i have a problem about the popupMenus in GMF.

It's very strange because sometimes it works, but sometimes not.
When it crashes, it will have a Unhandled event loop exception error.
But I always don't know where the error comes from.

i hope u can help me. Any advice will be appreciated
The error message is like blow
!ENTRY org.eclipse.ui 4 0 2011-07-21 18:30:06.223
!MESSAGE Unhandled event loop exception
!STACK 0
java.lang.NullPointerException
	at org.eclipse.papyrus.sysml.diagram.parametric.actions.RestoreRelatedLinksAction.isEnabled(RestoreRelatedLinksAction.java:53)
	at org.eclipse.jface.action.ActionContributionItem.update(ActionContributionItem.java:946)
	at org.eclipse.jface.action.ActionContributionItem.fill(ActionContributionItem.java:291)
	at org.eclipse.jface.action.MenuManager.doItemFill(MenuManager.java:737)
	at org.eclipse.jface.action.MenuManager.update(MenuManager.java:818)
	at org.eclipse.jface.action.MenuManager.handleAboutToShow(MenuManager.java:470)
	at org.eclipse.jface.action.MenuManager.access$1(MenuManager.java:465)
	at org.eclipse.jface.action.MenuManager$2.menuShown(MenuManager.java:491)
	at org.eclipse.swt.widgets.TypedListener.handleEvent(TypedListener.java:241)
	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.Widget.sendEvent(Widget.java:1077)
	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1058)
	at org.eclipse.swt.widgets.Control.WM_INITMENUPOPUP(Control.java:4485)
	at org.eclipse.swt.widgets.Control.windowProc(Control.java:4188)
	at org.eclipse.swt.widgets.Canvas.windowProc(Canvas.java:341)
	at org.eclipse.swt.widgets.Decorations.windowProc(Decorations.java:1598)
	at org.eclipse.swt.widgets.Shell.windowProc(Shell.java:2038)
	at org.eclipse.swt.widgets.Display.windowProc(Display.java:4873)
	at org.eclipse.swt.internal.win32.OS.TrackPopupMenu(Native Method)
	at org.eclipse.swt.widgets.Menu._setVisible(Menu.java:256)
	at org.eclipse.swt.widgets.Display.runPopups(Display.java:4107)
	at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3651)
	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)
	at org.eclipse.equinox.launcher.Main.main(Main.java:1383)
Re: GMF : Unhandled event loop exception error [message #699762 is a reply to message #699497] Fri, 22 July 2011 05:18 Go to previous message
Eclipse UserFriend
Hi,

This bugs comes from Papyrus code you should open a bug on their
bugzilla. For info same bug was fixed for EcoreTools some times ago :
https://bugs.eclipse.org/bugs/show_bug.cgi?id=294090

Mariot
--
Mariot Chauvin @ Obeo

Blog : http://mariot-thoughts.blogspot.com
Twitter :http://twitter.com/mchv
Professional support : http://obeo.fr/pages/maintenance-and-support/

Le 21/07/2011 18:35, vincent988923 a écrit :
> i have a problem about the popupMenus in GMF.
> It's very strange because sometimes it works, but sometimes not. When it
> crashes, it will have a Unhandled event loop exception error. But I
> always don't know where the error comes from.
>
> i hope u can help me. Any advice will be appreciated The error message
> is like blow
>
> !ENTRY org.eclipse.ui 4 0 2011-07-21 18:30:06.223
> !MESSAGE Unhandled event loop exception
> !STACK 0
> java.lang.NullPointerException
> at
> org.eclipse.papyrus.sysml.diagram.parametric.actions.RestoreRelatedLinksAction.isEnabled(RestoreRelatedLinksAction.java:53)
>
> at
> org.eclipse.jface.action.ActionContributionItem.update(ActionContributionItem.java:946)
>
> at
> org.eclipse.jface.action.ActionContributionItem.fill(ActionContributionItem.java:291)
>
> at org.eclipse.jface.action.MenuManager.doItemFill(MenuManager.java:737)
> at org.eclipse.jface.action.MenuManager.update(MenuManager.java:818)
> at
> org.eclipse.jface.action.MenuManager.handleAboutToShow(MenuManager.java:470)
>
> at org.eclipse.jface.action.MenuManager.access$1(MenuManager.java:465)
> at org.eclipse.jface.action.MenuManager$2.menuShown(MenuManager.java:491)
> at
> org.eclipse.swt.widgets.TypedListener.handleEvent(TypedListener.java:241)
> 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.Widget.sendEvent(Widget.java:1077)
> at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1058)
> at org.eclipse.swt.widgets.Control.WM_INITMENUPOPUP(Control.java:4485)
> at org.eclipse.swt.widgets.Control.windowProc(Control.java:4188)
> at org.eclipse.swt.widgets.Canvas.windowProc(Canvas.java:341)
> at org.eclipse.swt.widgets.Decorations.windowProc(Decorations.java:1598)
> at org.eclipse.swt.widgets.Shell.windowProc(Shell.java:2038)
> at org.eclipse.swt.widgets.Display.windowProc(Display.java:4873)
> at org.eclipse.swt.internal.win32.OS.TrackPopupMenu(Native Method)
> at org.eclipse.swt.widgets.Menu._setVisible(Menu.java:256)
> at org.eclipse.swt.widgets.Display.runPopups(Display.java:4107)
> at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3651)
> 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)
> at org.eclipse.equinox.launcher.Main.main(Main.java:1383)
>
>
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