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BuildId: I20140428-2000 Running with '-cssTheme none' (introduced in bug 430829) causes an exception when opening the Preferences > Appearances page. We should just show a 'theming disabled' message when there is no engine. !ENTRY org.eclipse.jface 4 2 2014-04-29 13:29:26.357 !MESSAGE Problems occurred when invoking code from plug-in: "org.eclipse.jface". !STACK 0 java.lang.NullPointerException at org.eclipse.ui.internal.dialogs.ViewsPreferencePage.getCSSThemes(ViewsPreferencePage.java:173) at org.eclipse.ui.internal.dialogs.ViewsPreferencePage.createContents(ViewsPreferencePage.java:115) at org.eclipse.jface.preference.PreferencePage.createControl(PreferencePage.java:233) at org.eclipse.jface.preference.PreferenceDialog.createPageControl(PreferenceDialog.java:1537) at org.eclipse.jface.preference.PreferenceDialog$13.run(PreferenceDialog.java:1289) at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42) at org.eclipse.ui.internal.JFaceUtil$1.run(JFaceUtil.java:50) at org.eclipse.jface.util.SafeRunnable.run(SafeRunnable.java:178) at org.eclipse.jface.preference.PreferenceDialog.showPage(PreferenceDialog.java:1281) at org.eclipse.ui.internal.dialogs.FilteredPreferenceDialog.showPage(FilteredPreferenceDialog.java:699) at org.eclipse.jface.preference.PreferenceDialog$9$1.run(PreferenceDialog.java:730) at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:70) at org.eclipse.jface.preference.PreferenceDialog$9.selectionChanged(PreferenceDialog.java:725) at org.eclipse.jface.viewers.StructuredViewer$3.run(StructuredViewer.java:876) at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42) at org.eclipse.ui.internal.JFaceUtil$1.run(JFaceUtil.java:50) at org.eclipse.jface.util.SafeRunnable.run(SafeRunnable.java:178) at org.eclipse.jface.viewers.StructuredViewer.firePostSelectionChanged(StructuredViewer.java:873) at org.eclipse.jface.viewers.StructuredViewer.handlePostSelect(StructuredViewer.java:1217) at org.eclipse.jface.viewers.StructuredViewer$5.widgetSelected(StructuredViewer.java:1243) at org.eclipse.jface.util.OpenStrategy.firePostSelectionEvent(OpenStrategy.java:265) at org.eclipse.jface.util.OpenStrategy.access$5(OpenStrategy.java:259) at org.eclipse.jface.util.OpenStrategy$1$2.run(OpenStrategy.java:440) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:35) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:136) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:3983) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3660) at org.eclipse.jface.window.Window.runEventLoop(Window.java:832) at org.eclipse.jface.window.Window.open(Window.java:808) at org.eclipse.ui.internal.dialogs.WorkbenchPreferenceDialog.open(WorkbenchPreferenceDialog.java:221) at org.eclipse.ui.internal.handlers.ShowPreferencePageHandler.execute(ShowPreferencePageHandler.java:59) at org.eclipse.ui.internal.handlers.HandlerProxy.execute(HandlerProxy.java:294) at org.eclipse.ui.internal.handlers.E4HandlerProxy.execute(E4HandlerProxy.java:90) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:483) at org.eclipse.e4.core.internal.di.MethodRequestor.execute(MethodRequestor.java:55) at org.eclipse.e4.core.internal.di.InjectorImpl.invokeUsingClass(InjectorImpl.java:247) at org.eclipse.e4.core.internal.di.InjectorImpl.invoke(InjectorImpl.java:229) at org.eclipse.e4.core.contexts.ContextInjectionFactory.invoke(ContextInjectionFactory.java:132) at org.eclipse.e4.core.commands.internal.HandlerServiceHandler.execute(HandlerServiceHandler.java:149) at org.eclipse.core.commands.Command.executeWithChecks(Command.java:499) at org.eclipse.core.commands.ParameterizedCommand.executeWithChecks(ParameterizedCommand.java:508) at org.eclipse.e4.core.commands.internal.HandlerServiceImpl.executeHandler(HandlerServiceImpl.java:210) at org.eclipse.e4.core.commands.internal.HandlerServiceImpl.executeHandler(HandlerServiceImpl.java:196) at org.eclipse.e4.ui.workbench.renderers.swt.cocoa.CocoaUIHandler.runCommand(CocoaUIHandler.java:715) at org.eclipse.e4.ui.workbench.renderers.swt.cocoa.CocoaUIHandler.access$6(CocoaUIHandler.java:703) at org.eclipse.e4.ui.workbench.renderers.swt.cocoa.CocoaUIHandler$8.widgetSelected(CocoaUIHandler.java:568) at org.eclipse.swt.widgets.TypedListener.handleEvent(TypedListener.java:248) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84) at org.eclipse.swt.widgets.Display.sendEvent(Display.java:4188) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1467) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1490) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1475) at org.eclipse.swt.widgets.Widget.notifyListeners(Widget.java:1279) at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:4031) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3658) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$9.run(PartRenderingEngine.java:1152) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1033) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:148) at org.eclipse.ui.internal.Workbench$5.run(Workbench.java:635) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:578) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:150) at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:135) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:196) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:379) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:233) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:483) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:648) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:603) at org.eclipse.equinox.launcher.Main.run(Main.java:1465)
Patch at: https://git.eclipse.org/r/25748
Thanks for patch, released as: http://git.eclipse.org/c/platform/eclipse.platform.ui.git/commit/?id=ec9d3551cbf269046f41b6f9123f5366be5d7207 Daniel
Verfied in I20140528-2000. "Appearance" page opens correctly, but I get NPE when opening "Colors and Fonts" page. I will open a new bug for this issue.
For the NPE when opening "Colors and Fonts" page I opened bug 436247.