This guide and the jbpm-designer instructions assume that I will be installing
Eclipse along with designer. In my case (and I imagine in the vast majority of
cases) this is not true. Instructions on installing jbpm-designer into a
pre-existing Eclipse installation is needed.
The file \jbpm-starters-kit-3.1.1\jbpm-designer\jbpm-gpd-feature\readme.html
implies that all that is needed is to unzip \plugins and \features into one's
eclipse directory. This is not the case. After doing so, I receieved this NPE
when attempting to read a process definition with the special plugin (note that
the "New JBPM Project" feature works fine):
java.lang.NullPointerException
at
org.jbpm.ui.editor.DesignerContentProvider.addProcessDiagramDimension(Unknown
Source)
at org.jbpm.ui.editor.DesignerContentProvider.addGraphicalInfo(Unknown
Source)
at org.jbpm.ui.editor.DesignerContentProvider.addGraphicalInfo(Unknown
Source)
at org.jbpm.ui.editor.DesignerContentProvider.addGraphicalInfo(Unknown
Source)
at org.jbpm.ui.editor.DesignerGraphicalEditorPage.initInput(Unknown
Source)
at org.jbpm.ui.editor.DesignerGraphicalEditorPage.init(Unknown Source)
at
org.eclipse.ui.part.MultiPageEditorPart.addPage(MultiPageEditorPart.java:152)
at org.jbpm.ui.editor.DesignerEditor.addGraphPage(Unknown Source)
at org.jbpm.ui.editor.DesignerEditor.createPages(Unknown Source)
at
org.eclipse.ui.part.MultiPageEditorPart.createPartControl(MultiPageEditorPart.java:241)
at
org.eclipse.ui.internal.EditorReference.createPartHelper(EditorReference.java:609)
at
org.eclipse.ui.internal.EditorReference.createPart(EditorReference.java:384)
at
org.eclipse.ui.internal.WorkbenchPartReference.getPart(WorkbenchPartReference.java:552)
at
org.eclipse.ui.internal.EditorReference.getEditor(EditorReference.java:223)
at
org.eclipse.ui.internal.WorkbenchPage.busyOpenEditorBatched(WorkbenchPage.java:2362)
at
org.eclipse.ui.internal.WorkbenchPage.busyOpenEditor(WorkbenchPage.java:2295)
at
org.eclipse.ui.internal.WorkbenchPage.access$9(WorkbenchPage.java:2287)
at org.eclipse.ui.internal.WorkbenchPage$9.run(WorkbenchPage.java:2273)
at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:69)
at
org.eclipse.ui.internal.WorkbenchPage.openEditor(WorkbenchPage.java:2268)
at org.eclipse.ui.actions.OpenWithMenu.openEditor(OpenWithMenu.java:279)
at org.eclipse.ui.actions.OpenWithMenu.access$0(OpenWithMenu.java:271)
at
org.eclipse.ui.actions.OpenWithMenu$2.handleEvent(OpenWithMenu.java:178)
at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:66)
at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:843)
at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:3125)
at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:2758)
at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java:1699)
at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:1663)
at
org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:367)
at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:143)
at
org.eclipse.ui.internal.ide.IDEApplication.run(IDEApplication.java:103)
at
org.eclipse.core.internal.runtime.PlatformActivator$1.run(PlatformActivator.java:226)
at
org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:376)
at
org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:163)
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.core.launcher.Main.invokeFramework(Main.java:334)
at org.eclipse.core.launcher.Main.basicRun(Main.java:278)
at org.eclipse.core.launcher.Main.run(Main.java:973)
at org.eclipse.core.launcher.Main.main(Main.java:948)
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