Description Steffen Pingel 2011-08-19 13:08:51 EDT

Steps:
1. Close discovery viewer while it is loading

!ENTRY org.eclipse.ui 4 0 2011-07-11 22:22:03.317
!MESSAGE Unhandled event loop exception
!STACK 0
org.eclipse.swt.SWTException: Failed to execute runnable (org.eclipse.swt.SWTException: Widget is disposed)
        at org.eclipse.swt.SWT.error(SWT.java:4282)
        at org.eclipse.swt.SWT.error(SWT.java:4197)
        at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:138)
        at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:3563)
        at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3212)
        at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java:2696)
        at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:2660)
        at org.eclipse.ui.internal.Workbench.access$4(Workbench.java:2494)
        at org.eclipse.ui.internal.Workbench$7.run(Workbench.java:674)
        at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332)
        at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:667)
        at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:149)
        at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:123)
        at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:196)
        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:344)
        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:25)
        at java.lang.reflect.Method.invoke(Method.java:597)
        at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:622)
        at org.eclipse.equinox.launcher.Main.basicRun(Main.java:577)
        at org.eclipse.equinox.launcher.Main.run(Main.java:1410)
        at org.eclipse.equinox.launcher.Main.main(Main.java:1386)
Caused by: org.eclipse.swt.SWTException: Widget is disposed
        at org.eclipse.swt.SWT.error(SWT.java:4282)
        at org.eclipse.swt.SWT.error(SWT.java:4197)
        at org.eclipse.swt.SWT.error(SWT.java:4168)
        at org.eclipse.swt.widgets.Widget.error(Widget.java:466)
        at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:403)
        at org.eclipse.swt.widgets.Composite.getChildren(Composite.java:576)
        at org.eclipse.mylyn.internal.discovery.ui.wizards.DiscoveryViewer.createBodyContents(DiscoveryViewer.java:584)
        at org.eclipse.mylyn.internal.discovery.ui.wizards.DiscoveryViewer.discoveryUpdated(DiscoveryViewer.java:1048)
        at org.eclipse.mylyn.internal.discovery.ui.wizards.DiscoveryViewer.updateDiscovery(DiscoveryViewer.java:1513)
        at com.springsource.sts.internal.ide.ui.discovery.DashboardExtensionsPage$7.run(DashboardExtensionsPage.java:371)
        at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:35)
        at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:135)
        ... 23 more