| NullPointerException when calling validation. [message #227516] |
Mon, 27 April 2009 11:28 |
 Max Bureck
Messages: 72
Registered: July 2009 |
Member |
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Hello,
when I call the static ValidateAction.runValidation method of my generated
diagram-editor (not from within the generated editor), I sometimes get the
NPE below. Is there something I can do about it?
Thanks in advance,
Max
org.eclipse.swt.SWTException: Failed to execute runnable
(java.lang.NullPointerException)
at org.eclipse.swt.SWT.error(SWT.java:3777)
at org.eclipse.swt.SWT.error(SWT.java:3695)
at
org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchr onizer.java:136)
at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.jav a:3378)
at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java :3036)
at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.jav a:2384)
at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:2348)
at org.eclipse.ui.internal.Workbench.access$4(Workbench.java:22 00)
at org.eclipse.ui.internal.Workbench$5.run(Workbench.java:495)
at
org.eclipse.core.databinding.observable.Realm.runWithDefault (Realm.java:288)
at
org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Work bench.java:490)
at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.j ava:149)
at
org.eclipse.ui.internal.ide.application.IDEApplication.start (IDEApplication.java:113)
at
org.eclipse.equinox.internal.app.EclipseAppHandle.run(Eclips eAppHandle.java:193)
at
org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher .runApplication(EclipseAppLauncher.java:110)
at
org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher .start(EclipseAppLauncher.java:79)
at
org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseS tarter.java:386)
at
org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseS tarter.java:179)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAcce ssorImpl.java:39)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMe thodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java: 549)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:504)
at org.eclipse.equinox.launcher.Main.run(Main.java:1236)
at org.eclipse.equinox.launcher.Main.main(Main.java:1212)
Caused by: java.lang.NullPointerException
at
org.eclipse.gmf.runtime.diagram.ui.editpolicies.PopupBarEdit Policy.initPopupBars(PopupBarEditPolicy.java:805)
at
org.eclipse.gmf.runtime.diagram.ui.editpolicies.PopupBarEdit Policy.showDiagramAssistant(PopupBarEditPolicy.java:849)
at
org.eclipse.gmf.runtime.diagram.ui.editpolicies.DiagramAssis tantEditPolicy$ShowDiagramAssistantJob.runInUIThread(Diagram AssistantEditPolicy.java:98)
at org.eclipse.ui.progress.UIJob$1.run(UIJob.java:94)
at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:3 5)
at
org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchr onizer.java:133)
... 23 more
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