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Data Binding Exception when closing. [message #897351]

Mon, 23 July 2012 16:59

Wudong Liu

Messages: 4
Registered: August 2011

Junior Member

Hi all.
When I close a JFace application (not RCP), sometime (not always) i can get the following exceptions, the the main UI thread will just hang.
Can someone shed me some light on how to resolve it?

It looks that the Data Binding is not correctly disposed. I don't explicitly dispose anything in the code. What's the problem it might be?

any help if appreciated.

==========

org.eclipse.core.runtime.AssertionFailedException: assertion failed: Getter called on disposed observable org.eclipse.core.internal.databinding.beans.BeanObservableListDecorator@fdf6877
at org.eclipse.core.runtime.Assert.isTrue(Assert.java:110)
at org.eclipse.core.databinding.observable.ObservableTracker.getterCalled(ObservableTracker.java:252)
at org.eclipse.core.databinding.observable.DecoratingObservable.getterCalled(DecoratingObservable.java:64)
at org.eclipse.core.databinding.observable.DecoratingObservableCollection.hashCode(DecoratingObservableCollection.java:129)
at java.util.HashMap.removeEntryForKey(HashMap.java:548)
at java.util.HashMap.remove(HashMap.java:538)
at org.eclipse.jface.internal.databinding.viewers.ObservableCollectionTreeContentProvider$TreeNode.dispose(ObservableCollectionTreeContentProvider.java:491)
at org.eclipse.jface.internal.databinding.viewers.ObservableCollectionTreeContentProvider$TreeNode.access$0(ObservableCollectionTreeContentProvider.java:489)
at org.eclipse.jface.internal.databinding.viewers.ObservableCollectionTreeContentProvider.inputChanged(ObservableCollectionTreeContentProvider.java:137)
at org.eclipse.jface.databinding.viewers.ObservableListTreeContentProvider$Impl.inputChanged(ObservableListTreeContentProvider.java:55)
at org.eclipse.jface.databinding.viewers.ObservableListTreeContentProvider.inputChanged(ObservableListTreeContentProvider.java:203)
at org.eclipse.jface.viewers.ContentViewer.handleDispose(ContentViewer.java:171)
at org.eclipse.jface.viewers.StructuredViewer.handleDispose(StructuredViewer.java:2328)
at org.eclipse.jface.viewers.ContentViewer$2.widgetDisposed(ContentViewer.java:214)
at org.eclipse.swt.widgets.TypedListener.handleEvent(Unknown Source)

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