[jbosstools-issues] [JBoss JIRA] Closed: (JBIDE-6590) Widget is disposed error when changing names of nodes in jBPM 3 editor

Jiri Peterka (JIRA) jira-events at lists.jboss.org
Wed Dec 1 05:34:05 EST 2010 

     [ https://jira.jboss.org/browse/JBIDE-6590?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jiri Peterka closed JBIDE-6590.
-------------------------------



Verified in JBDS 4.0.0.beta2 h12, Fedora14-64b

> Widget is disposed error when changing names of nodes in jBPM 3 editor
> ----------------------------------------------------------------------
>
>                 Key: JBIDE-6590
>                 URL: https://jira.jboss.org/browse/JBIDE-6590
>             Project: Tools (JBoss Tools)
>          Issue Type: Bug
>          Components: jbpm
>    Affects Versions: 3.1.1
>         Environment: Ubuntu Lucid Lynx x64, Eclipse WTP Galileo (3.5.2)
>            Reporter: Duncan Doyle
>            Assignee: Koen Aers
>            Priority: Minor
>             Fix For: 3.1.2, 3.2.0.Beta2
>
>         Attachments: JBIDE-6590.patch
>
>   Original Estimate: 0 minutes
>  Remaining Estimate: 0 minutes
>
> When I change the name of a node in my jBPM 3 Process Definition editor, I often get this error:
> "Widget is Disposed"
> It seems only to occur when my process contains a Mail Node and I edit something on such a node (adding a Mail Node to the process, changing the name of a Mail Node, etc.). I can change names of all my other nodes in my process, but after I change the name of a mail node once or twice, every other change to any of the node names seems to result in this error. After I close the editor and reopen it (not exiting Eclipse, but just closing en re-opening the editor), I can again change the names of all nodes without issues, until I change the name of a Mail Node. See the "Steps to reproduce" section of this issue.
> The Eclipse error log is:
> !ENTRY org.eclipse.jface 4 2 2010-07-08 00:25:33.521
> !MESSAGE Problems occurred when invoking code from plug-in: "org.eclipse.jface".
> !STACK 0
> org.eclipse.swt.SWTException: Widget is disposed
> 	at org.eclipse.swt.SWT.error(SWT.java:3884)
> 	at org.eclipse.swt.SWT.error(SWT.java:3799)
> 	at org.eclipse.swt.SWT.error(SWT.java:3770)
> 	at org.eclipse.swt.widgets.Widget.error(Widget.java:450)
> 	at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:388)
> 	at org.eclipse.swt.widgets.Text.setText(Text.java:1979)
> 	at org.jbpm.gd.common.properties.NamedElementConfigurationComposite.propertyChange(NamedElementConfigurationComposite.java:111)
> 	at java.beans.PropertyChangeSupport.firePropertyChange(PropertyChangeSupport.java:339)
> 	at java.beans.PropertyChangeSupport.firePropertyChange(PropertyChangeSupport.java:276)
> 	at org.jbpm.gd.common.model.AbstractSemanticElement.firePropertyChange(AbstractSemanticElement.java:20)
> 	at org.jbpm.gd.common.model.AbstractNamedElement.setName(AbstractNamedElement.java:11)
> 	at org.jbpm.gd.common.command.ChangeNameCommand.execute(ChangeNameCommand.java:27)
> 	at org.eclipse.gef.commands.CommandStack.execute(CommandStack.java:170)
> 	at org.eclipse.gef.tools.DirectEditManager.commit(DirectEditManager.java:136)
> 	at org.eclipse.gef.tools.DirectEditManager$4.applyEditorValue(DirectEditManager.java:270)
> 	at org.eclipse.jface.viewers.CellEditor$1.run(CellEditor.java:333)
> 	at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
> 	at org.eclipse.core.runtime.Platform.run(Platform.java:888)
> 	at org.eclipse.ui.internal.JFaceUtil$1.run(JFaceUtil.java:48)
> 	at org.eclipse.jface.util.SafeRunnable.run(SafeRunnable.java:175)
> 	at org.eclipse.jface.viewers.CellEditor.fireApplyEditorValue(CellEditor.java:331)
> 	at org.eclipse.jface.viewers.TextCellEditor.handleDefaultSelection(TextCellEditor.java:295)
> 	at org.eclipse.jface.viewers.TextCellEditor$1.widgetDefaultSelected(TextCellEditor.java:148)
> 	at org.eclipse.swt.widgets.TypedListener.handleEvent(TypedListener.java:113)
> 	at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84)
> 	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1176)
> 	at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:3493)
> 	at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3112)
> 	at org.eclipse.jface.window.Window.runEventLoop(Window.java:825)
> 	at org.eclipse.jface.window.Window.open(Window.java:801)
> 	at org.eclipse.ui.internal.views.log.EventDetailsDialog.open(EventDetailsDialog.java:175)
> 	at org.eclipse.ui.internal.views.log.EventDetailsDialogAction.run(EventDetailsDialogAction.java:98)
> 	at org.eclipse.ui.internal.views.log.LogView$15.doubleClick(LogView.java:535)
> 	at org.eclipse.jface.viewers.StructuredViewer$1.run(StructuredViewer.java:821)
> 	at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
> 	at org.eclipse.core.runtime.Platform.run(Platform.java:888)
> 	at org.eclipse.ui.internal.JFaceUtil$1.run(JFaceUtil.java:48)
> 	at org.eclipse.jface.util.SafeRunnable.run(SafeRunnable.java:175)
> 	at org.eclipse.jface.viewers.StructuredViewer.fireDoubleClick(StructuredViewer.java:819)
> 	at org.eclipse.jface.viewers.AbstractTreeViewer.handleDoubleSelect(AbstractTreeViewer.java:1419)
> 	at org.eclipse.jface.viewers.StructuredViewer$4.widgetDefaultSelected(StructuredViewer.java:1195)
> 	at org.eclipse.jface.util.OpenStrategy.fireDefaultSelectionEvent(OpenStrategy.java:238)
> 	at org.eclipse.jface.util.OpenStrategy.access$0(OpenStrategy.java:235)
> 	at org.eclipse.jface.util.OpenStrategy$1.handleEvent(OpenStrategy.java:296)
> 	at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84)
> 	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1176)
> 	at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:3493)
> 	at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3112)
> 	at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java:2405)
> 	at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:2369)
> 	at org.eclipse.ui.internal.Workbench.access$4(Workbench.java:2221)
> 	at org.eclipse.ui.internal.Workbench$5.run(Workbench.java:500)
> 	at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332)
> 	at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:493)
> 	at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:149)
> 	at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:113)
> 	at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:194)
> 	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:368)
> 	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:559)
> 	at org.eclipse.equinox.launcher.Main.basicRun(Main.java:514)
> 	at org.eclipse.equinox.launcher.Main.run(Main.java:1311)
> 	at org.eclipse.equinox.launcher.Main.main(Main.java:1287)

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