[jbosstools-issues] [JBoss JIRA] (JBIDE-20611) NPE in Visual Editor Preview for every editor modification after reopening the editor

Konstantin Marmalyukov (JIRA) issues at jboss.org
Tue Sep 15 07:14:00 EDT 2015 

    [ https://issues.jboss.org/browse/JBIDE-20611?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13108618#comment-13108618 ] 

Konstantin Marmalyukov commented on JBIDE-20611:
------------------------------------------------

to verify this issue you need to check following scenario with two different projects - angularjs project(i.e. angular-phonecat) and non-angularjs(i.e. kitchensink-html5).

Steps:
0. Ensure your visual editor is configured for HTML5, import project if you don't have one. Open error log and keep you eye on it.
1. Open html page with visual/source tab, make automatic refresh on change enabled
2. Call angulatJS content assist
3. Change something else in document(check if autorefresh happens)
4. Reopen html file.
5. Change anything in document(check if autorefresh happens).

If something went wrong - error should appear in error log.


> 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
>             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}



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