I've recently downloaded the jPDL suite for 3.2.2, but I have a problem running the designer in Eclipse. Specifically, I downloaded jbpm-jpdl-suite-3.2.2.zip and extracted to c:\jbpm-jpdl-3.2.2 If the directory names are to be believed, then the designer version in the 3.2.2 suite is 3.1.0SP1. (C:\jbpm-jpdl-3.2.2\designer\eclipse\plugins\org.jbpm.gd.jpdl_3.1.0.SP1) Then I followed the instructions in c:\jbpm-jpdl-3.2.2\designer\readme.html and downloaded eclipse-SDK-3.3-win32.zip then ran the "ant install" target. Then I started going through the steps in the getting started doc on the wiki. Where the getting started guide says "double click on gpd.xml" I find the file opens in the default XML browser rather than the jBPM Process Designer. If I tell it to open with the Process Designer then I get a ClassCastException as shown in the stack-trace below (from Eclipse .log file). I _can_ open the processdefinition.xml file with the Process Designer, but if I right click on the nodes I don't get the correct context menu. I noticed someone on the Getting Started Documentation thread had the same issue but no solution was posted. Anyone else seen it or solved it? Cheers, Ian. !ENTRY org.eclipse.ui 4 0 2007-10-16 11:12:33.685 !MESSAGE Unable to create editor ID org.jbpm.gd.jpdl.editor: org.jbpm.gd.jpdl.model.ProcessDefinition cannot be cast to org.jbpm.gd.common.model.GenericElement !STACK 0 java.lang.ClassCastException: org.jbpm.gd.jpdl.model.ProcessDefinition cannot be cast to org.jbpm.gd.common.model.GenericElement at org.jbpm.gd.common.xml.GenericElementXmlAdapter.initialize(Unknown Source) at org.jbpm.gd.common.editor.Editor.getSemanticElement(Unknown Source) at org.jbpm.gd.common.editor.Editor.initSourcePage(Unknown Source) at org.jbpm.gd.common.editor.Editor.createPages(Unknown Source) at org.jbpm.gd.jpdl.editor.JpdlEditor.createPages(Unknown Source) at org.eclipse.ui.part.MultiPageEditorPart.createPartControl(MultiPageEditorPart.java:283) at org.eclipse.ui.internal.EditorReference.createPartHelper(EditorReference.java:661) at org.eclipse.ui.internal.EditorReference.createPart(EditorReference.java:426) at org.eclipse.ui.internal.WorkbenchPartReference.getPart(WorkbenchPartReference.java:592) at org.eclipse.ui.internal.PartPane.setVisible(PartPane.java:299) at org.eclipse.ui.internal.presentations.PresentablePart.setVisible(PresentablePart.java:179) 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:400) at org.eclipse.ui.internal.PartStack.refreshPresentationSelection(PartStack.java:1256) at org.eclipse.ui.internal.PartStack.setSelection(PartStack.java:1209) at org.eclipse.ui.internal.PartStack.showPart(PartStack.java:1604) at org.eclipse.ui.internal.PartStack.add(PartStack.java:499) at org.eclipse.ui.internal.EditorStack.add(EditorStack.java:103) at org.eclipse.ui.internal.PartStack.add(PartStack.java:485) at org.eclipse.ui.internal.EditorStack.add(EditorStack.java:112) at org.eclipse.ui.internal.EditorSashContainer.addEditor(EditorSashContainer.java:63) 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:774) at org.eclipse.ui.internal.EditorManager.openEditorFromDescriptor(EditorManager.java:673) at org.eclipse.ui.internal.EditorManager.openEditor(EditorManager.java:634) at org.eclipse.ui.internal.WorkbenchPage.busyOpenEditorBatched(WorkbenchPage.java:2719) at org.eclipse.ui.internal.WorkbenchPage.busyOpenEditor(WorkbenchPage.java:2633) at org.eclipse.ui.internal.WorkbenchPage.access$12(WorkbenchPage.java:2625) at org.eclipse.ui.internal.WorkbenchPage$10.run(WorkbenchPage.java:2577) at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:67) at org.eclipse.ui.internal.WorkbenchPage.openEditor(WorkbenchPage.java:2572) at org.eclipse.ui.internal.WorkbenchPage.openEditor(WorkbenchPage.java:2556) at org.eclipse.ui.actions.OpenWithMenu.openEditor(OpenWithMenu.java:340) at org.eclipse.ui.actions.OpenWithMenu.access$0(OpenWithMenu.java:328) at org.eclipse.ui.actions.OpenWithMenu$3.handleEvent(OpenWithMenu.java:226) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:66) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:938) at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:3682) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3293) at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java:2389) at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:2353) at org.eclipse.ui.internal.Workbench.access$4(Workbench.java:2219) at org.eclipse.ui.internal.Workbench$4.run(Workbench.java:466) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:289) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:461) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:149) at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:106) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:153) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:106) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:76) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:363) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:176) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:504) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:443) at org.eclipse.equinox.launcher.Main.run(Main.java:1169) View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4095562#... 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