java.lang.NullPointerException: This exception has no message.

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java.lang.NullPointerException:
at org.eclipse.ui.internal.services.WorkbenchServiceRegistry.getExtensionPoint(WorkbenchServiceRegistry.java:162)
at org.eclipse.ui.internal.services.WorkbenchServiceRegistry.loadFromRegistry(WorkbenchServiceRegistry.java:115)
at org.eclipse.ui.internal.services.WorkbenchServiceRegistry.getService(WorkbenchServiceRegistry.java:101)
at org.eclipse.ui.internal.progress.ProgressManagerUtil.getNonModalShell(ProgressManagerUtil.java:385)
at org.eclipse.ui.internal.statushandlers.InternalDialog.(InternalDialog.java:154)
at org.eclipse.ui.internal.statushandlers.WorkbenchStatusDialogManagerImpl.doAddStatusAdapter(WorkbenchStatusDialogManagerImpl.java:259)
at org.eclipse.ui.internal.statushandlers.WorkbenchStatusDialogManagerImpl.addStatusAdapter(WorkbenchStatusDialogManagerImpl.java:197)
at org.eclipse.ui.statushandlers.WorkbenchStatusDialogManager.addStatusAdapter(WorkbenchStatusDialogManager.java:156)
at org.eclipse.ui.statushandlers.WorkbenchErrorHandler.showStatusAdapter(WorkbenchErrorHandler.java:101)
at org.eclipse.ui.statushandlers.WorkbenchErrorHandler.access$0(WorkbenchErrorHandler.java:94)
at org.eclipse.ui.statushandlers.WorkbenchErrorHandler$2.run(WorkbenchErrorHandler.java:69)
at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:35)
at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:135)
at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4145)

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