Bug 376338 - Widget disposed exception during drag and drop
Summary: Widget disposed exception during drag and drop
Status: NEW
Alias: None
Product: Platform
Classification: Eclipse Project
Component: UI (show other bugs)
Version: 4.2   Edit
Hardware: PC Windows 7
: P3 normal (vote)
Target Milestone: ---   Edit
Assignee: Christoph Laeubrich CLA
QA Contact:
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Keywords:
Depends on:
Blocks:
 
Reported: 2012-04-09 13:21 EDT by Michael Rennie CLA
Modified: 2020-06-15 14:00 EDT (History)
2 users (show)

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Description Michael Rennie CLA 2012-04-09 13:21:02 EDT 
Version: 4.2.0
Build id: I20120321-0610

while trying to come up with steps for bug 360065 I got the following exception:

!ENTRY org.eclipse.ui 4 0 2012-04-09 11:53:53.225
!MESSAGE Unhandled event loop exception
!STACK 0
org.eclipse.swt.SWTException: Widget is disposed
	at org.eclipse.swt.SWT.error(SWT.java:4361)
	at org.eclipse.swt.SWT.error(SWT.java:4276)
	at org.eclipse.swt.SWT.error(SWT.java:4247)
	at org.eclipse.swt.widgets.Widget.error(Widget.java:468)
	at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:340)
	at org.eclipse.swt.widgets.Control.getVisible(Control.java:1642)
	at org.eclipse.e4.ui.widgets.CTabFolder.computeControlBounds(CTabFolder.java:452)
	at org.eclipse.e4.ui.widgets.CTabFolder.getWrappedHeight(CTabFolder.java:3872)
	at org.eclipse.e4.ui.widgets.CTabFolder.getClientArea(CTabFolder.java:792)
	at org.eclipse.e4.ui.workbench.renderers.swt.StackRenderer$7.mouseUp(StackRenderer.java:837)
	at org.eclipse.swt.widgets.TypedListener.handleEvent(TypedListener.java:220)
	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.e4.ui.internal.workbench.swt.PartRenderingEngine$9.run(PartRenderingEngine.java:1016)
	at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332)
	at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:910)
	at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:85)
	at org.eclipse.ui.internal.Workbench$4.run(Workbench.java:580)
	at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332)
	at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:535)
	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)
Comment 1 Nobody - feel free to take it CLA 2012-04-10 17:57:11 EDT 
Any actual steps on how to reproduce that?
Comment 2 Michael Rennie CLA 2012-04-10 23:37:57 EDT 
(In reply to comment #1)
> Any actual steps on how to reproduce that?

No exact steps, it just appeared in the log while I was dragging / dropping views around in my workspace.