[jbosstools-issues] [JBoss JIRA] Created: (JBIDE-2420) Exception appears on "<ctrl>+z" combination in jsp page.

[Andrei Scherbovich (JIRA)]

Exception appears on "<ctrl>+z" combination in jsp page. 
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                 Key: JBIDE-2420
                 URL: http://jira.jboss.com/jira/browse/JBIDE-2420
             Project: Tools (JBoss Tools)
          Issue Type: Bug
          Components: Visual Page Editor
    Affects Versions: 3.0.0.alpha
         Environment: subversion revision 8913
windows xp
            Reporter: Andrei Scherbovich
         Assigned To: Maxim Areshkau


Exception appears on "<ctrl>+z" combination in jsp page.

Steps:
EXECUTE: Use content assist to enter any tag on jsp page (<f:facet> e.g.)
EXECUTE: Press "<ctrl>+z" to undo last action
FAILURE: Exception appears

java.lang.RuntimeException: java.lang.IllegalStateException: already in a rewrite session
	at org.eclipse.wst.sse.core.internal.text.JobSafeStructuredDocument.startRewriteSession(JobSafeStructuredDocument.java:224)
	at org.eclipse.wst.sse.core.internal.undo.StructuredTextUndoManager.undo(StructuredTextUndoManager.java:636)
	at org.eclipse.wst.sse.ui.StructuredTextViewerUndoManager.undo(StructuredTextViewerUndoManager.java:183)
	at org.eclipse.jface.text.TextViewer.doOperation(TextViewer.java:3718)
	at org.eclipse.jface.text.source.SourceViewer.doOperation(SourceViewer.java:891)
	at org.eclipse.jface.text.source.projection.ProjectionViewer.doOperation(ProjectionViewer.java:1423)
	at org.eclipse.wst.sse.ui.internal.StructuredTextViewer.doOperation(StructuredTextViewer.java:595)
	at org.jboss.tools.jst.jsp.jspeditor.JSPTextEditor$JSPStructuredTextViewer.doOperation(JSPTextEditor.java:675)
	at org.eclipse.ui.texteditor.TextOperationAction$1.run(TextOperationAction.java:131)
	at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:70)
	at org.eclipse.ui.texteditor.TextOperationAction.run(TextOperationAction.java:129)
	at org.eclipse.jface.action.Action.runWithEvent(Action.java:498)
	at org.eclipse.ui.commands.ActionHandler.execute(ActionHandler.java:185)
	at org.eclipse.ui.internal.handlers.LegacyHandlerWrapper.execute(LegacyHandlerWrapper.java:109)
	at org.eclipse.core.commands.Command.executeWithChecks(Command.java:476)
	at org.eclipse.core.commands.ParameterizedCommand.executeWithChecks(ParameterizedCommand.java:508)
	at org.eclipse.ui.internal.handlers.HandlerService.executeCommand(HandlerService.java:169)
	at org.eclipse.ui.internal.keys.WorkbenchKeyboard.executeCommand(WorkbenchKeyboard.java:471)
	at org.eclipse.ui.internal.keys.WorkbenchKeyboard.press(WorkbenchKeyboard.java:822)
	at org.eclipse.ui.internal.keys.WorkbenchKeyboard.processKeyEvent(WorkbenchKeyboard.java:880)
	at org.eclipse.ui.internal.keys.WorkbenchKeyboard.filterKeySequenceBindings(WorkbenchKeyboard.java:569)
	at org.eclipse.ui.internal.keys.WorkbenchKeyboard.access$3(WorkbenchKeyboard.java:511)
	at org.eclipse.ui.internal.keys.WorkbenchKeyboard$KeyDownFilter.handleEvent(WorkbenchKeyboard.java:126)
	at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84)
	at org.eclipse.swt.widgets.Display.filterEvent(Display.java:1184)
	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1002)
	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1027)
	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1012)
	at org.eclipse.swt.widgets.Widget.sendKeyEvent(Widget.java:1040)
	at org.eclipse.swt.widgets.Widget.sendKeyEvent(Widget.java:1036)
	at org.eclipse.swt.widgets.Widget.wmChar(Widget.java:1352)
	at org.eclipse.swt.widgets.Control.WM_CHAR(Control.java:3894)
	at org.eclipse.swt.widgets.Canvas.WM_CHAR(Canvas.java:341)
	at org.eclipse.swt.widgets.Control.windowProc(Control.java:3787)
	at org.eclipse.swt.widgets.Canvas.windowProc(Canvas.java:337)
	at org.eclipse.swt.widgets.Display.windowProc(Display.java:4528)
	at org.eclipse.swt.internal.win32.OS.DispatchMessageW(Native Method)
	at org.eclipse.swt.internal.win32.OS.DispatchMessage(OS.java:2370)
	at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3420)
	at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java:2382)
	at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:2346)
	at org.eclipse.ui.internal.Workbench.access$4(Workbench.java:2198)
	at org.eclipse.ui.internal.Workbench$5.run(Workbench.java:493)
	at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:288)
	at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:488)
	at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:149)
	at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:113)
	at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:193)
	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:382)
	at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:179)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
	at java.lang.reflect.Method.invoke(Unknown Source)
	at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:549)
	at org.eclipse.equinox.launcher.Main.basicRun(Main.java:504)
	at org.eclipse.equinox.launcher.Main.run(Main.java:1236)
	at org.eclipse.equinox.launcher.Main.main(Main.java:1212)
Caused by: java.lang.IllegalStateException: already in a rewrite session
	at org.eclipse.wst.sse.core.internal.text.BasicStructuredDocument.internalStartRewriteSession(BasicStructuredDocument.java:2775)
	at org.eclipse.wst.sse.core.internal.text.JobSafeStructuredDocument$3.run(JobSafeStructuredDocument.java:204)
	at org.eclipse.wst.sse.ui.EditorExecutionContext.execute(EditorExecutionContext.java:42)
	at org.eclipse.wst.sse.core.internal.text.JobSafeStructuredDocument.startRewriteSession(JobSafeStructuredDocument.java:216)
	... 59 more

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