NPE in Visual Editor Preview for every editor modification after reopening the editor ------------------------------------------------------------------------------------- Key: JBIDE-20611 URL: https://issues.jboss.org/browse/JBIDE-20611 Project: Tools (JBoss Tools) Issue Type: Bug Components: visual-page-editor-core Affects Versions: 4.3.0.CR1 Environment: Linux x86_64 Reporter: Denis Golovin Assignee: Konstantin Marmalyukov Priority: Blocker Labels: respin-a Fix For: 4.3.0.CR1 {code}java.lang.NullPointerException at org.jboss.tools.vpe.preview.editor.VpvEditor.actionHappening(VpvEditor.java:646) at org.jboss.tools.vpe.preview.editor.DocumentListeningEditorPart$2.documentChanged(DocumentListeningEditorPart.java:96) at org.eclipse.wst.sse.core.internal.text.BasicStructuredDocument._fireDocumentChanged(BasicStructuredDocument.java:460) at org.eclipse.wst.sse.core.internal.text.BasicStructuredDocument.fireStructuredDocumentEvent(BasicStructuredDocument.java:1184) at org.eclipse.wst.sse.core.internal.text.BasicStructuredDocument.internalReplaceText(BasicStructuredDocument.java:1964) at org.eclipse.wst.sse.core.internal.text.BasicStructuredDocument.replaceText(BasicStructuredDocument.java:2423) at org.eclipse.wst.sse.core.internal.text.BasicStructuredDocument.replaceText(BasicStructuredDocument.java:2419) at org.eclipse.wst.sse.core.internal.text.JobSafeStructuredDocument.access$3(JobSafeStructuredDocument.java:1) at org.eclipse.wst.sse.core.internal.text.JobSafeStructuredDocument$4.run(JobSafeStructuredDocument.java:163) at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42) at org.eclipse.wst.sse.ui.EditorExecutionContext.execute(EditorExecutionContext.java:149) at org.eclipse.wst.sse.core.internal.text.JobSafeStructuredDocument.replaceText(JobSafeStructuredDocument.java:171) at org.eclipse.wst.sse.core.internal.undo.StructuredTextCommandImpl.undo(StructuredTextCommandImpl.java:127) at org.eclipse.emf.common.command.BasicCommandStack.undo(BasicCommandStack.java:143) at org.eclipse.wst.sse.core.internal.undo.StructuredTextUndoManager.undo(StructuredTextUndoManager.java:631) at org.eclipse.wst.sse.ui.StructuredTextViewerUndoManager.undo(StructuredTextViewerUndoManager.java:165) at org.eclipse.jface.text.TextViewer.doOperation(TextViewer.java:3997) at org.eclipse.jface.text.source.SourceViewer.doOperation(SourceViewer.java:1053) at org.eclipse.jface.text.source.projection.ProjectionViewer.doOperation(ProjectionViewer.java:1501) at org.eclipse.wst.sse.ui.internal.StructuredTextViewer.doOperation(StructuredTextViewer.java:644) at org.jboss.tools.jst.web.ui.internal.editor.jspeditor.JSPTextEditor$JSPStructuredTextViewer.doOperation(JSPTextEditor.java:680) at org.eclipse.ui.texteditor.TextOperationAction$1.run(TextOperationAction.java:128) at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:70) at org.eclipse.ui.texteditor.TextOperationAction.run(TextOperationAction.java:126) at org.eclipse.jface.action.Action.runWithEvent(Action.java:473) at org.eclipse.jface.commands.ActionHandler.execute(ActionHandler.java:122) 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:497) at org.eclipse.e4.core.internal.di.MethodRequestor.execute(MethodRequestor.java:56) at org.eclipse.e4.core.internal.di.InjectorImpl.invokeUsingClass(InjectorImpl.java:252) at org.eclipse.e4.core.internal.di.InjectorImpl.invoke(InjectorImpl.java:234) at org.eclipse.e4.core.contexts.ContextInjectionFactory.invoke(ContextInjectionFactory.java:132) at org.eclipse.e4.core.commands.internal.HandlerServiceHandler.execute(HandlerServiceHandler.java:152) at org.eclipse.core.commands.Command.executeWithChecks(Command.java:493) at org.eclipse.core.commands.ParameterizedCommand.executeWithChecks(ParameterizedCommand.java:486) at org.eclipse.e4.core.commands.internal.HandlerServiceImpl.executeHandler(HandlerServiceImpl.java:210) at org.eclipse.e4.ui.bindings.keys.KeyBindingDispatcher.executeCommand(KeyBindingDispatcher.java:286) at org.eclipse.e4.ui.bindings.keys.KeyBindingDispatcher.press(KeyBindingDispatcher.java:507) at org.eclipse.e4.ui.bindings.keys.KeyBindingDispatcher.processKeyEvent(KeyBindingDispatcher.java:558) at org.eclipse.e4.ui.bindings.keys.KeyBindingDispatcher.filterKeySequenceBindings(KeyBindingDispatcher.java:378) at org.eclipse.e4.ui.bindings.keys.KeyBindingDispatcher.access$0(KeyBindingDispatcher.java:324) at org.eclipse.e4.ui.bindings.keys.KeyBindingDispatcher$KeyDownFilter.handleEvent(KeyBindingDispatcher.java:86) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84) at org.eclipse.swt.widgets.Display.filterEvent(Display.java:1550) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1326) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1351) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1336) at org.eclipse.swt.widgets.Widget.sendKeyEvent(Widget.java:1363) at org.eclipse.swt.widgets.Widget.gtk_key_press_event(Widget.java:763) at org.eclipse.swt.widgets.Control.gtk_key_press_event(Control.java:3317) at org.eclipse.swt.widgets.Composite.gtk_key_press_event(Composite.java:785) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:1965) at org.eclipse.swt.widgets.Control.windowProc(Control.java:5590) at org.eclipse.swt.widgets.Display.windowProc(Display.java:4717) at org.eclipse.swt.internal.gtk.OS._gtk_main_do_event(Native Method) at org.eclipse.swt.internal.gtk.OS.gtk_main_do_event(OS.java:9272) at org.eclipse.swt.widgets.Display.eventProc(Display.java:1225) at org.eclipse.swt.internal.gtk.OS._g_main_context_iteration(Native Method) at org.eclipse.swt.internal.gtk.OS.g_main_context_iteration(OS.java:2422) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3428) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$4.run(PartRenderingEngine.java:1127) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:337) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1018) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:156) at org.eclipse.ui.internal.Workbench$5.run(Workbench.java:654) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:337) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:598) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:150) at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:139) 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:380) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:235) 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:497) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:669) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:608) at org.eclipse.equinox.launcher.Main.run(Main.java:1515) at org.eclipse.equinox.launcher.Main.main(Main.java:1488) {code}