NPE in OnSaveService
I saved a file during analysis, my Eclipse hung for half a minute and the on save service threw a NPE. Stacktrace:
Submitted by Gabriël Konat on 15 May 2014 at 14:50java.lang.NullPointerException at org.strategoxt.imp.runtime.parser.ast.AstMessageHandler.clearMarkers(AstMessageHandler.java:198) at org.strategoxt.imp.runtime.services.OnSaveService.invokeOnSave(OnSaveService.java:77) at org.strategoxt.imp.runtime.services.OnSaveService.documentChanged(OnSaveService.java:59) at org.eclipse.imp.editor.UniversalEditor.doSave(UniversalEditor.java:1944) at org.eclipse.ui.texteditor.AbstractTextEditor$TextEditorSavable.doSave(AbstractTextEditor.java:7206) at org.eclipse.ui.Saveable.doSave(Saveable.java:214) at org.eclipse.ui.internal.SaveableHelper.doSaveModel(SaveableHelper.java:350) at org.eclipse.ui.internal.SaveableHelper$3.run(SaveableHelper.java:196) at org.eclipse.ui.internal.SaveableHelper$5.run(SaveableHelper.java:278) at org.eclipse.jface.operation.ModalContext.runInCurrentThread(ModalContext.java:464) at org.eclipse.jface.operation.ModalContext.run(ModalContext.java:372) at org.eclipse.ui.internal.WorkbenchWindow$13.run(WorkbenchWindow.java:1829) at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:70) at org.eclipse.ui.internal.WorkbenchWindow.run(WorkbenchWindow.java:1826) at org.eclipse.ui.internal.SaveableHelper.runProgressMonitorOperation(SaveableHelper.java:286) at org.eclipse.ui.internal.SaveableHelper.runProgressMonitorOperation(SaveableHelper.java:265) at org.eclipse.ui.internal.SaveableHelper.saveModels(SaveableHelper.java:208) at org.eclipse.ui.internal.SaveableHelper.savePart(SaveableHelper.java:145) at org.eclipse.ui.internal.WorkbenchPage.saveSaveable(WorkbenchPage.java:3772) at org.eclipse.ui.internal.WorkbenchPage.saveEditor(WorkbenchPage.java:3785) at org.eclipse.ui.internal.handlers.SaveHandler.execute(SaveHandler.java:53) at org.eclipse.ui.internal.handlers.HandlerProxy.execute(HandlerProxy.java:290) at org.eclipse.ui.internal.handlers.E4HandlerProxy.execute(E4HandlerProxy.java:90) at sun.reflect.GeneratedMethodAccessor83.invoke(Unknown Source) 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:56) at org.eclipse.e4.core.internal.di.InjectorImpl.invokeUsingClass(InjectorImpl.java:243) at org.eclipse.e4.core.internal.di.InjectorImpl.invoke(InjectorImpl.java:224) at org.eclipse.e4.core.contexts.ContextInjectionFactory.invoke(ContextInjectionFactory.java:132) at org.eclipse.e4.core.commands.internal.HandlerServiceHandler.execute(HandlerServiceHandler.java:167) 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:213) at org.eclipse.e4.ui.bindings.keys.KeyBindingDispatcher.executeCommand(KeyBindingDispatcher.java:285) at org.eclipse.e4.ui.bindings.keys.KeyBindingDispatcher.press(KeyBindingDispatcher.java:504) at org.eclipse.e4.ui.bindings.keys.KeyBindingDispatcher.processKeyEvent(KeyBindingDispatcher.java:555) at org.eclipse.e4.ui.bindings.keys.KeyBindingDispatcher.filterKeySequenceBindings(KeyBindingDispatcher.java:376) at org.eclipse.e4.ui.bindings.keys.KeyBindingDispatcher.access$0(KeyBindingDispatcher.java:322) at org.eclipse.e4.ui.bindings.keys.KeyBindingDispatcher$KeyDownFilter.handleEvent(KeyBindingDispatcher.java:84) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84) at org.eclipse.swt.widgets.Display.filterEvent(Display.java:1080) at org.eclipse.swt.widgets.Display.sendEvent(Display.java:4165) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1466) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1489) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1474) at org.eclipse.swt.widgets.Widget.sendKeyEvent(Widget.java:1503) at org.eclipse.swt.widgets.Widget.sendKeyEvent(Widget.java:1499) at org.eclipse.swt.widgets.Canvas.sendKeyEvent(Canvas.java:496) at org.eclipse.swt.widgets.Control.doCommandBySelector(Control.java:1060) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5648) at org.eclipse.swt.internal.cocoa.OS.objc_msgSend(Native Method) at org.eclipse.swt.internal.cocoa.NSResponder.interpretKeyEvents(NSResponder.java:68) at org.eclipse.swt.widgets.Composite.keyDown(Composite.java:594) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5558) at org.eclipse.swt.internal.cocoa.OS.objc_msgSendSuper(Native Method) at org.eclipse.swt.widgets.Widget.callSuper(Widget.java:221) at org.eclipse.swt.widgets.Widget.windowSendEvent(Widget.java:2104) at org.eclipse.swt.widgets.Shell.windowSendEvent(Shell.java:2318) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5620) at org.eclipse.swt.internal.cocoa.OS.objc_msgSendSuper(Native Method) at org.eclipse.swt.widgets.Display.applicationSendEvent(Display.java:5057) at org.eclipse.swt.widgets.Display.applicationProc(Display.java:5206) at org.eclipse.swt.internal.cocoa.OS.objc_msgSend(Native Method) at org.eclipse.swt.internal.cocoa.NSApplication.sendEvent(NSApplication.java:128) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3648) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$9.run(PartRenderingEngine.java:1113) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:997) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:140) at org.eclipse.ui.internal.Workbench$5.run(Workbench.java:611) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:567) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:150) at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:124) 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:354) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:181) 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:636) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:591) at org.eclipse.equinox.launcher.Main.run(Main.java:1450)
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