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On shutdown, I noticed this in my log: java.lang.NullPointerException at org.eclipse.swt.widgets.Tree.wmNotifyChild(Tree.java:1788) at org.eclipse.swt.widgets.Control.WM_NOTIFY(Control.java:3774) at org.eclipse.swt.widgets.Composite.WM_NOTIFY(Composite.java:638) at org.eclipse.swt.widgets.Control.windowProc(Control.java:2810) at org.eclipse.swt.widgets.Display.windowProc(Display.java:2281) at org.eclipse.swt.internal.win32.OS.CallWindowProcW(Native Method) at org.eclipse.swt.internal.win32.OS.CallWindowProc(OS.java:1227) at org.eclipse.swt.widgets.Tree.callWindowProc(Tree.java:152) at org.eclipse.swt.widgets.Control.windowProc(Control.java:2839) at org.eclipse.swt.widgets.Display.windowProc(Display.java:2281) at org.eclipse.swt.internal.win32.OS.CallWindowProcW(Native Method) at org.eclipse.swt.internal.win32.OS.CallWindowProc(OS.java:1227) at org.eclipse.swt.widgets.Tree.callWindowProc(Tree.java:152) at org.eclipse.swt.widgets.Control.windowProc(Control.java:2839) at org.eclipse.swt.widgets.Display.windowProc(Display.java:2281) at org.eclipse.swt.internal.win32.OS.SendMessageW(Native Method) at org.eclipse.swt.internal.win32.OS.SendMessage(OS.java:1776) at org.eclipse.swt.widgets.Tree.destroyItem(Tree.java:337) at org.eclipse.swt.widgets.TreeItem.releaseChild(TreeItem.java:465) at org.eclipse.swt.widgets.Widget.dispose(Widget.java:367) at org.eclipse.jface.viewers.AbstractTreeViewer.updateChildren (AbstractTreeViewer.java:1316) at org.eclipse.jface.viewers.AbstractTreeViewer.internalRefresh (AbstractTreeViewer.java:925) at org.eclipse.jface.viewers.AbstractTreeViewer.internalRefresh (AbstractTreeViewer.java:895) at org.eclipse.jface.viewers.AbstractTreeViewer.internalRefresh (AbstractTreeViewer.java:881) at org.eclipse.jface.viewers.StructuredViewer$7.run (StructuredViewer.java:858) at org.eclipse.jface.viewers.StructuredViewer.preservingSelection (StructuredViewer.java:798) at org.eclipse.jface.viewers.StructuredViewer.refresh (StructuredViewer.java:856) at org.eclipse.jface.viewers.StructuredViewer.refresh (StructuredViewer.java:818) at org.eclipse.debug.internal.ui.views.variables.VariablesViewer.refresh (VariablesViewer.java:60) at org.eclipse.debug.internal.ui.views.AbstractDebugEventHandler.refresh (AbstractDebugEventHandler.java:140) at org.eclipse.debug.internal.ui.views.variables.VariablesViewEventHandler.doHandle SuspendEvent(VariablesViewEventHandler.java:86) at org.eclipse.debug.internal.ui.views.variables.VariablesViewEventHandler.doHandle DebugEvents(VariablesViewEventHandler.java:40) at org.eclipse.debug.internal.ui.views.AbstractDebugEventHandler$1.run (AbstractDebugEventHandler.java:65) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:31) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages (Synchronizer.java:94) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:1752) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:1487) at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java:1271) at org.eclipse.ui.internal.Workbench.run(Workbench.java:1254) at org.eclipse.core.internal.boot.InternalBootLoader.run (InternalBootLoader.java:845) at org.eclipse.core.boot.BootLoader.run(BootLoader.java:461) 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:324) at org.eclipse.core.launcher.Main.basicRun(Main.java:247) at org.eclipse.core.launcher.Main.run(Main.java:703) at org.eclipse.core.launcher.Main.main(Main.java:539)
*** This bug has been marked as a duplicate of 32734 ***