Test failures in org.jboss.tools.cdi.core.test

java.lang.RuntimeException: Widget disposed too early!
org.eclipse.swt.SWTError: XPCOM error -2147467262

(complete log below copied from http://hudson.qa.jboss.com/hudson/view/DevStudio_Trunk/job/jbosstools-3.2_trunk.component--cdi/ws/sources/tests/org.jboss.tools.cdi.core.test/target/work/data/.metadata/.log)

!ENTRY org.eclipse.ui.workbench 4 0 2011-01-03 08:40:40.281
Unable to render embedded object: File (MESSAGE Widget disposed too early) not found.
!STACK 0
java.lang.RuntimeException: Widget disposed too early!
at org.eclipse.ui.internal.WorkbenchPartReference$1.widgetDisposed(WorkbenchPartReference.java:172)
at org.eclipse.swt.widgets.TypedListener.handleEvent(TypedListener.java:123)
at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84)
at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1258)
at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1282)
at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1263)
at org.eclipse.swt.widgets.Widget.release(Widget.java:1080)
at org.eclipse.swt.widgets.Control.release(Control.java:3304)
at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1293)
at org.eclipse.swt.widgets.Widget.release(Widget.java:1083)
at org.eclipse.swt.widgets.Control.release(Control.java:3304)
at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1293)
at org.eclipse.swt.widgets.Widget.release(Widget.java:1083)
at org.eclipse.swt.widgets.Control.release(Control.java:3304)
at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1293)
at org.eclipse.swt.widgets.Canvas.releaseChildren(Canvas.java:208)
at org.eclipse.swt.widgets.Decorations.releaseChildren(Decorations.java:469)
at org.eclipse.swt.widgets.Shell.releaseChildren(Shell.java:2305)
at org.eclipse.swt.widgets.Widget.release(Widget.java:1083)
at org.eclipse.swt.widgets.Control.release(Control.java:3304)
at org.eclipse.swt.widgets.Widget.dispose(Widget.java:462)
at org.eclipse.swt.widgets.Shell.dispose(Shell.java:2241)
at org.eclipse.swt.widgets.Display.release(Display.java:3211)
at org.eclipse.swt.graphics.Device.dispose(Device.java:237)
at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:131)
at org.codehaus.tycho.surefire.osgibooter.UITestApplication.runApplication(UITestApplication.java:21)
at org.codehaus.tycho.surefire.osgibooter.AbstractUITestApplication.run(AbstractUITestApplication.java:109)
at org.codehaus.tycho.surefire.osgibooter.UITestApplication.start(UITestApplication.java:27)
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:369)
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:619)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:574)
at org.eclipse.equinox.launcher.Main.run(Main.java:1407)
at org.eclipse.equinox.launcher.Main.main(Main.java:1383)

!ENTRY org.eclipse.osgi 4 0 2011-01-03 08:40:40.416
!MESSAGE Application error
!STACK 1
org.eclipse.swt.SWTError: XPCOM error -2147467262
at org.eclipse.swt.browser.Mozilla.error(Mozilla.java:2414)
at org.eclipse.swt.browser.Mozilla.unhookDOMListeners(Mozilla.java:2844)
at org.eclipse.swt.browser.Mozilla.onDispose(Mozilla.java:2437)
at org.eclipse.swt.browser.Mozilla$5.handleEvent(Mozilla.java:891)
at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84)
at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1258)
at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1282)
at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1263)
at org.eclipse.swt.widgets.Widget.release(Widget.java:1080)
at org.eclipse.swt.widgets.Control.release(Control.java:3304)
at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1293)
at org.eclipse.swt.widgets.Widget.release(Widget.java:1083)
at org.eclipse.swt.widgets.Control.release(Control.java:3304)
at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1293)
at org.eclipse.swt.widgets.Widget.release(Widget.java:1083)
at org.eclipse.swt.widgets.Control.release(Control.java:3304)
at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1293)
at org.eclipse.swt.widgets.Widget.release(Widget.java:1083)
at org.eclipse.swt.widgets.Control.release(Control.java:3304)
at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1293)
at org.eclipse.swt.widgets.Widget.release(Widget.java:1083)
at org.eclipse.swt.widgets.Control.release(Control.java:3304)
at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1293)
at org.eclipse.swt.widgets.Widget.release(Widget.java:1083)
at org.eclipse.swt.widgets.Control.release(Control.java:3304)
at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1293)
at org.eclipse.swt.widgets.Canvas.releaseChildren(Canvas.java:208)
at org.eclipse.swt.widgets.Decorations.releaseChildren(Decorations.java:469)
at org.eclipse.swt.widgets.Shell.releaseChildren(Shell.java:2305)
at org.eclipse.swt.widgets.Widget.release(Widget.java:1083)
at org.eclipse.swt.widgets.Control.release(Control.java:3304)
at org.eclipse.swt.widgets.Widget.dispose(Widget.java:462)
at org.eclipse.swt.widgets.Shell.dispose(Shell.java:2241)
at org.eclipse.swt.widgets.Display.release(Display.java:3211)
at org.eclipse.swt.graphics.Device.dispose(Device.java:237)
at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:131)
at org.codehaus.tycho.surefire.osgibooter.UITestApplication.runApplication(UITestApplication.java:21)
at org.codehaus.tycho.surefire.osgibooter.AbstractUITestApplication.run(AbstractUITestApplication.java:109)
at org.codehaus.tycho.surefire.osgibooter.UITestApplication.start(UITestApplication.java:27)
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:369)
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:619)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:574)
at org.eclipse.equinox.launcher.Main.run(Main.java:1407)
at org.eclipse.equinox.launcher.Main.main(Main.java:1383)