[jbosstools-issues] [JBoss JIRA] Updated: (JBIDE-523) jBPM Process Designer fails with class cast exception

[Max Andersen (JIRA)]

     [ http://jira.jboss.com/jira/browse/JBIDE-523?page=all ]

Max Andersen updated JBIDE-523:
-------------------------------

    Fix Version/s: 2.0.0.CR1
         Assignee: Koen Aers

Koen ? is this still relevant ?

> jBPM Process Designer fails with class cast exception
> -----------------------------------------------------
>
>                 Key: JBIDE-523
>                 URL: http://jira.jboss.com/jira/browse/JBIDE-523
>             Project: JBoss Tools
>          Issue Type: Bug
>          Components: jbpm
>         Environment: Fedora Core 6 with Sun's Java 1.5.0_12
> Lenovo ThinkPad T60
> 2GB RAM
>            Reporter: Micah Modell
>         Assigned To: Koen Aers
>             Fix For: 2.0.0.CR1
>
>         Attachments: processdefinition.xml
>
>
> I get the following error when I attempt to open the attached file (from the demo station) in Eclipse from File->Open:
> java.lang.ClassCastException: org.eclipse.ui.internal.editors.text.JavaFileEditorInput
> 	at org.jbpm.ui.editor.DesignerEditor.init(Unknown Source)
> 	at org.eclipse.ui.internal.EditorManager.createSite(EditorManager.java:842)
> 	at org.eclipse.ui.internal.EditorReference.createPartHelper(EditorReference.java:583)
> 	at org.eclipse.ui.internal.EditorReference.createPart(EditorReference.java:372)
> 	at org.eclipse.ui.internal.WorkbenchPartReference.getPart(WorkbenchPartReference.java:566)
> 	at org.eclipse.ui.internal.PartPane.setVisible(PartPane.java:290)
> 	at org.eclipse.ui.internal.presentations.PresentablePart.setVisible(PresentablePart.java:140)
> 	at org.eclipse.ui.internal.presentations.util.PresentablePartFolder.select(PresentablePartFolder.java:268)
> 	at org.eclipse.ui.internal.presentations.util.LeftToRightTabOrder.select(LeftToRightTabOrder.java:65)
> 	at org.eclipse.ui.internal.presentations.util.TabbedStackPresentation.selectPart(TabbedStackPresentation.java:394)
> 	at org.eclipse.ui.internal.PartStack.refreshPresentationSelection(PartStack.java:1144)
> 	at org.eclipse.ui.internal.PartStack.setSelection(PartStack.java:1097)
> 	at org.eclipse.ui.internal.PartStack.showPart(PartStack.java:1311)
> 	at org.eclipse.ui.internal.PartStack.add(PartStack.java:455)
> 	at org.eclipse.ui.internal.EditorStack.add(EditorStack.java:102)
> 	at org.eclipse.ui.internal.PartStack.add(PartStack.java:441)
> 	at org.eclipse.ui.internal.EditorStack.add(EditorStack.java:111)
> 	at org.eclipse.ui.internal.EditorSashContainer.addEditor(EditorSashContainer.java:60)
> 	at org.eclipse.ui.internal.EditorAreaHelper.addToLayout(EditorAreaHelper.java:217)
> 	at org.eclipse.ui.internal.EditorAreaHelper.addEditor(EditorAreaHelper.java:207)
> 	at org.eclipse.ui.internal.EditorManager.createEditorTab(EditorManager.java:822)
> 	at org.eclipse.ui.internal.EditorManager.openEditorFromDescriptor(EditorManager.java:721)
> 	at org.eclipse.ui.internal.EditorManager.openEditor(EditorManager.java:682)
> 	at org.eclipse.ui.internal.WorkbenchPage.busyOpenEditorBatched(WorkbenchPage.java:2593)
> 	at org.eclipse.ui.internal.WorkbenchPage.busyOpenEditor(WorkbenchPage.java:2528)
> 	at org.eclipse.ui.internal.WorkbenchPage.access$10(WorkbenchPage.java:2520)
> 	at org.eclipse.ui.internal.WorkbenchPage$9.run(WorkbenchPage.java:2505)
> 	at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:67)
> 	at org.eclipse.ui.internal.WorkbenchPage.openEditor(WorkbenchPage.java:2500)
> 	at org.eclipse.ui.internal.WorkbenchPage.openEditor(WorkbenchPage.java:2477)
> 	at org.eclipse.ui.internal.editors.text.OpenExternalFileAction.run(OpenExternalFileAction.java:132)
> 	at org.eclipse.ui.internal.editors.text.OpenExternalFileAction.run(OpenExternalFileAction.java:100)
> 	at org.eclipse.ui.internal.PluginAction.runWithEvent(PluginAction.java:254)
> 	at org.eclipse.ui.internal.WWinPluginAction.runWithEvent(WWinPluginAction.java:229)
> 	at org.eclipse.jface.action.ActionContributionItem.handleWidgetSelection(ActionContributionItem.java:539)
> 	at org.eclipse.jface.action.ActionContributionItem.access$2(ActionContributionItem.java:488)
> 	at org.eclipse.jface.action.ActionContributionItem$5.handleEvent(ActionContributionItem.java:400)
> 	at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:66)
> 	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1085)
> 	at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:3180)
> 	at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:2856)
> 	at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java:1930)
> 	at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:1894)
> 	at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:422)
> 	at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:149)
> 	at org.eclipse.ui.internal.ide.IDEApplication.run(IDEApplication.java:95)
> 	at org.eclipse.core.internal.runtime.PlatformActivator$1.run(PlatformActivator.java:78)
> 	at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:92)
> 	at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:68)
> 	at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:400)
> 	at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:177)
> 	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:585)
> 	at org.eclipse.core.launcher.Main.invokeFramework(Main.java:336)
> 	at org.eclipse.core.launcher.Main.basicRun(Main.java:280)
> 	at org.eclipse.core.launcher.Main.run(Main.java:977)
> 	at org.eclipse.core.launcher.Main.main(Main.java:952)

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