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[swtbot-dev] Problem taking snapshot with Helios
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Hi
I tried Helios and I have problems taking a snapshot. I always get the
following stack when calling
res = SWTUtils.captureScreenshot(filename);
> !ENTRY org.eclipse.ui 4 0 2010-06-27 22:23:25.646
> !MESSAGE Un
> handled event loop exception
> !STACK 0
> org.eclipse.swt.SWTException: Failed to execute runnable
> (java.lang.NullPointerException)
>
> at org.eclipse.swt.SWT.error(SWT.java:4083)
> at org.eclipse.swt.SWT.error(SWT.java:3998)
> at
> org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:1
> 37) at
org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:3527)
> at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3174) at
> org.eclipse.jface.window.Window.runEventLoop(Window.java:825)
> at org.eclipse.jface.window.Window.open(Window.java:801)
> at
> org.eclipse.ui.internal.dialogs.WorkbenchPreferenceDialog.open(WorkbenchP
> referenceDialog.java:211) at
> org.eclipse.ui.internal.OpenPreferencesAction.run(OpenPreferencesAction.j
> ava:65) at org.eclipse.jface.action.Action.runWithEvent(Action.java:498)
> at
> org.eclipse.jface.action.ActionContributionItem.handleWidgetSelection(Act
> ionContributionItem.java:584) at
> org.eclipse.jface.action.ActionContributionItem.access$2(ActionContributi
> onItem.java:501) at
> org.eclipse.jface.action.ActionContributionItem$5.handleEvent(ActionContr
> ibutionItem.java:411) 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:1267)
> at org.eclipse.swt.widgets.Widget.notifyListeners(Widget.java:1061)
> at
> org.eclipse.swtbot.swt.finder.widgets.AbstractSWTBot$2.run(AbstractSWTBot
> .java:159) at
> org.eclipse.swtbot.swt.finder.finders.UIThreadRunnable$5.doRun(UIThreadRu
> nnable.java:221) at
> org.eclipse.swtbot.swt.finder.finders.UIThreadRunnable$1.run(UIThreadRunn
> able.java:89) at
> org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:35) at
> org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:1
> 34) at
org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:3527)
> at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3174) at
> org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java:2629) at
> org.eclipse.ui.internal.Workbench.runUI(Workbench.java:2593)
> at org.eclipse.ui.internal.Workbench.access$4(Workbench.java:2427)
> at org.eclipse.ui.internal.Workbench$7.run(Workbench.java:670)
> at
> org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:3
> 32) at
> org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:66
> 3) at
org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:149)
> at ch.elexis.Desk.start(Desk.java:164)
> at
> org.eclipse.swtbot.eclipse.core.UITestApplication.start(UITestApplication
> .java:54) at
> org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.ja
> va:196) at
> org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplicati
> on(EclipseAppLauncher.java:110) at
> org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(Eclips
> eAppLauncher.java:79) at
> org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:3
> 69) at
> org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:1
> 79) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java
> :39) at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorI
> mpl.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)
>
> Caused by: java.lang.NullPointerException
>
> at
> org.eclipse.swtbot.swt.finder.utils.SWTUtils.captureScreenshotInternal(SW
> TUtils.java:383) at
> org.eclipse.swtbot.swt.finder.utils.SWTUtils.captureScreenshotInternal(SW
> TUtils.java:367) at
> org.eclipse.swtbot.swt.finder.utils.SWTUtils.access$0(SWTUtils.java:366)
> at org.eclipse.swtbot.swt.finder.utils.SWTUtils$3.run(SWTUtils.java:312)
> at org.eclipse.swtbot.swt.finder.utils.SWTUtils$3.run(SWTUtils.java:1) at
> org.eclipse.swtbot.swt.finder.finders.UIThreadRunnable$2.doRun(UIThreadRu
> nnable.java:140) at
> org.eclipse.swtbot.swt.finder.finders.UIThreadRunnable$1.run(UIThreadRunn
> able.java:89) at
> org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:35) at
> org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:1
> 34) ... 44 more
>
> 2010-06-27 22:23:27,408 INFO root: before true taking type 0 snapshot:
> FULL_SCREEN.png
Does this work elsewhere? It worked fine in Galileo (using a version of SWTbot
a few months old).
Best regards
--
Niklaus Giger
