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| Re: NPE on right click of a diagram in Papyrus diagram editor [message #1666054 is a reply to message #1665388] |
Wed, 11 March 2015 14:16   |
|
Hi,
By the definition of a RuntimeException, it's a bug. But in which
component is the question.
Looking at line 134 of ObjectPluginAction.java, it appears that either
(a) the 'target' part does not yet have its part-site or has forgotten it, or
(b) the 'target' part's site does not yet know its page or has
forgotten it (less likely)
I don't know what could cause a pop-up menu to operate on a part that
is not yet initialized or has been destroyed, so at first blush this
looks like a bug in Eclipse Platform. But it could also be caused by
something that the Papyrus editor part is doing wrong in its
initialization.
If you can provide steps to reproduce this, then please raise a
bugzilla so that it may be debugged and fixed.
Thanks,
Christian
On 2015-03-11 14:04:01 +0000, Sumit Israni said:
> On right click of a diagram in Papyrus diagram editor I face a NPE.
> This is reproduced only after closing and reopening a Papyrus diagram
> editor and doing a right click on it. There is a customized popup menu
> that comes up after doing the right click. The popup menu is configured
> as a extension (in the plugin.xml) with an object contribution from
> org.eclipse.ui.popupMenus plugin.
>
> Could anyone help point out what could be wrong Or is it a bug? My
> configuration :-
> - Version of Papyrus plugin is 1.0.1
> - Eclipse Luna Standard Luna SR1 (4.4.1) Build id: M20140925-0400
> - JDK 1.7
>
>
> java.lang.NullPointerException
> at
> org.eclipse.ui.internal.ObjectPluginAction.setActivePart(ObjectPluginAction.java:134)
>
> at
> org.eclipse.ui.internal.ObjectActionContributor$1.run(ObjectActionContributor.java:161)
>
> at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
> at
> org.eclipse.ui.internal.ObjectActionContributor.contributeObjectActions(ObjectActionContributor.java:165)
>
> at
> org.eclipse.ui.internal.ObjectActionContributorManager.contributeObjectActions(ObjectActionContributorManager.java:104)
>
> at
> org.eclipse.ui.internal.PopupMenuExtender.addObjectActions(PopupMenuExtender.java:328)
>
> at
> org.eclipse.ui.internal.PopupMenuExtender.menuAboutToShow(PopupMenuExtender.java:405)
>
> at org.eclipse.jface.action.MenuManager.fireAboutToShow(MenuManager.java:352)
> at
> org.eclipse.jface.action.MenuManager.handleAboutToShow(MenuManager.java:492)
>
> at org.eclipse.jface.action.MenuManager.access$1(MenuManager.java:487)
> at org.eclipse.jface.action.MenuManager$2.menuShown(MenuManager.java:519)
> at org.eclipse.swt.widgets.TypedListener.handleEvent(TypedListener.java:255)
> at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84)
> at org.eclipse.swt.widgets.Display.sendEvent(Display.java:4353)
> at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1061)
> at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1085)
> at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1066)
> at org.eclipse.swt.widgets.Control.WM_INITMENUPOPUP(Control.java:4963)
> at org.eclipse.swt.widgets.Control.windowProc(Control.java:4639)
> at org.eclipse.swt.widgets.Canvas.windowProc(Canvas.java:339)
> at org.eclipse.swt.widgets.Decorations.windowProc(Decorations.java:1626)
> at org.eclipse.swt.widgets.Shell.windowProc(Shell.java:2075)
> at org.eclipse.swt.widgets.Display.windowProc(Display.java:5023)
> 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:4213)
> at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3755)
> at
> org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$9.run(PartRenderingEngine.java:1151)
>
> at
> org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332)
>
> at
> org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1032)
>
> at
> org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:148)
>
> at org.eclipse.ui.internal.Workbench$5.run(Workbench.java:636)
> at
> org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332)
>
> at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:579)
> at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:150)
> at
> org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:135)
>
> at
> org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:196)
>
> at
> org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134)
>
> at
> org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104)
>
> at
> org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:380)
>
> at
> org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:235)
>
> 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:648)
> at org.eclipse.equinox.launcher.Main.basicRun(Main.java:603)
> at org.eclipse.equinox.launcher.Main.run(Main.java:1465)
> at org.eclipse.equinox.launcher.Main.main(Main.java:1438)
>
>
> Thanks a lot in advance.
> Best Regards.
> Sumit Israni
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