#2 Abbot's dump widget util produces stack trace

[Dane Anderson]

Exception in thread "hierarchy printer" org.eclipse.swt.SWTException: Failed to execute runnable (java.lang.NullPointerException)
at org.eclipse.swt.SWT.error(SWT.java:3864)
at org.eclipse.swt.SWT.error(SWT.java:3779)
at org.eclipse.swt.widgets.Synchronizer.syncExec(Synchronizer.java:194)
at org.eclipse.ui.internal.UISynchronizer.syncExec(UISynchronizer.java:150)
at org.eclipse.swt.widgets.Display.syncExec(Display.java:4312)
at abbot.swt.hierarchy.actions.PrintHierarchy$1.run(PrintHierarchy.java:82)
Caused by: java.lang.NullPointerException
at abbot.swt.tester.WidgetTester.toStringExtra(WidgetTester.java:396)
at abbot.swt.hierarchy.text.WidgetFormatter.getInfo(WidgetFormatter.java:94)
at abbot.swt.hierarchy.text.WidgetFormatter.format(WidgetFormatter.java:73)
at abbot.swt.hierarchy.text.WidgetFormatter.format(WidgetFormatter.java:1)
at abbot.swt.hierarchy.text.HierarchyPrinter.print(HierarchyPrinter.java:35)
at abbot.swt.hierarchy.text.HierarchyPrinter.print(HierarchyPrinter.java:45)
at abbot.swt.hierarchy.text.HierarchyPrinter.print(HierarchyPrinter.java:39)
at abbot.swt.hierarchy.text.HierarchyPrinter.print(HierarchyPrinter.java:45)
at abbot.swt.hierarchy.text.HierarchyPrinter.print(HierarchyPrinter.java:39)
at abbot.swt.hierarchy.text.HierarchyPrinter.print(HierarchyPrinter.java:45)
at abbot.swt.hierarchy.text.HierarchyPrinter.print(HierarchyPrinter.java:39)
at abbot.swt.hierarchy.text.HierarchyPrinter.print(HierarchyPrinter.java:45)
at abbot.swt.hierarchy.text.HierarchyPrinter.print(HierarchyPrinter.java:25)
at abbot.swt.hierarchy.text.HierarchyPrinter.print(HierarchyPrinter.java:21)
at abbot.swt.hierarchy.actions.PrintHierarchy$1$1.run(PrintHierarchy.java:84)
at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:35)
at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:133)
at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:3855)
at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3465)
at org.eclipse.jface.window.Window.runEventLoop(Window.java:825)
at org.eclipse.jface.window.Window.open(Window.java:801)
at com.ibm.etools.ejbrdbmapping.action.CreateMappingAction.createAndOpenWizardDialog(CreateMappingAction.java:67)
at com.ibm.etools.ejbrdbmapping.action.CreateMappingAction.run(CreateMappingAction.java:111)
at org.eclipse.ui.internal.PluginAction.runWithEvent(PluginAction.java:251)
at org.eclipse.jface.action.ActionContributionItem.handleWidgetSelection(ActionContributionItem.java:584)
at org.eclipse.jface.action.ActionContributionItem.access$2(ActionContributionItem.java:501)
at org.eclipse.jface.action.ActionContributionItem$5.handleEvent(ActionContributionItem.java:411)
at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84)
at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1003)
at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:3880)
at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3473)
at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java:2393)
at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:2357)
at org.eclipse.ui.internal.Workbench.access$4(Workbench.java:2209)
at org.eclipse.ui.internal.Workbench$5.run(Workbench.java:499)
at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332)
at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:492)
at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:149)
at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:113)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:194)
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(EclipseStarter.java:368)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:179)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:37)
at java.lang.reflect.Method.invoke(Method.java:599)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:556)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:511)
at org.eclipse.equinox.launcher.Main.run(Main.java:1284)
at org.eclipse.equinox.launcher.Main.main(Main.java:1260)