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Bug 358045

Summary:	JAVA Editor is flushed (empty)
Product:	[Eclipse Project] JDT	Reporter:	Jan Hoppe <jan.hoppe>
Component:	Text	Assignee:	JDT-Text-Inbox <jdt-text-inbox>
Status:	CLOSED DUPLICATE	QA Contact:
Severity:	critical
Priority:	P3	CC:	daniel_megert, satyam.kandula
Version:	3.8
Target Milestone:	---
Hardware:	PC
OS:	Windows 7
Whiteboard:

Description Jan Hoppe

2011-09-19 01:03:27 EDT

Build Identifier: I20110613-1736

If I'm switching between editors, sometimes a error box appears and then editor
is empty.
Closing class and open editor on class again will help

eclipse.buildId=I20110613-1736
java.version=1.6.0_27
java.vendor=Sun Microsystems Inc.
BootLoader constants: OS=win32, ARCH=x86, WS=win32, NL=de_DE
Framework arguments:  -product org.eclipse.epp.package.java.product
Command-line arguments:  -os win32 -ws win32 -arch x86 -product org.eclipse.epp.package.java.product

Error
Mon Sep 19 06:50:41 CEST 2011
Problems occurred when invoking code from plug-in: "org.eclipse.ui.workbench".

java.lang.NullPointerException
	at org.eclipse.ui.texteditor.SelectMarkerRulerAction.includesRulerLine(SelectMarkerRulerAction.java:293)
	at org.eclipse.jdt.internal.ui.javaeditor.JavaSelectAnnotationRulerAction.findJavaAnnotation(JavaSelectAnnotationRulerAction.java:157)
	at org.eclipse.jdt.internal.ui.javaeditor.JavaSelectAnnotationRulerAction.update(JavaSelectAnnotationRulerAction.java:108)
	at org.eclipse.ui.texteditor.AbstractRulerActionDelegate.update(AbstractRulerActionDelegate.java:132)
	at org.eclipse.ui.texteditor.AbstractRulerActionDelegate.setActiveEditor(AbstractRulerActionDelegate.java:89)
	at org.eclipse.ui.internal.EditorPluginAction.editorChanged(EditorPluginAction.java:75)
	at org.eclipse.ui.internal.EditorActionBuilder$EditorContribution.editorChanged(EditorActionBuilder.java:83)
	at org.eclipse.ui.internal.EditorActionBuilder$ExternalContributor.setActiveEditor(EditorActionBuilder.java:129)
	at org.eclipse.ui.internal.EditorActionBars.partChanged(EditorActionBars.java:346)
	at org.eclipse.ui.internal.WorkbenchPage$3.run(WorkbenchPage.java:709)
	at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
	at org.eclipse.core.runtime.Platform.run(Platform.java:888)
	at org.eclipse.ui.internal.WorkbenchPage.activatePart(WorkbenchPage.java:698)
	at org.eclipse.ui.internal.WorkbenchPage.setActivePart(WorkbenchPage.java:3632)
	at org.eclipse.ui.internal.WorkbenchPage.requestActivation(WorkbenchPage.java:3159)
	at org.eclipse.ui.internal.PartPane.requestActivation(PartPane.java:279)
	at org.eclipse.ui.internal.EditorPane.requestActivation(EditorPane.java:98)
	at org.eclipse.ui.internal.PartPane.handleEvent(PartPane.java:237)
	at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84)
	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1053)
	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1077)
	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1058)
	at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:1447)
	at org.eclipse.swt.widgets.Shell.WM_MOUSEACTIVATE(Shell.java:2320)
	at org.eclipse.swt.widgets.Control.windowProc(Control.java:4572)
	at org.eclipse.swt.widgets.Canvas.windowProc(Canvas.java:341)
	at org.eclipse.swt.widgets.Decorations.windowProc(Decorations.java:1610)
	at org.eclipse.swt.widgets.Shell.windowProc(Shell.java:2061)
	at org.eclipse.swt.widgets.Display.windowProc(Display.java:4985)
	at org.eclipse.swt.internal.win32.OS.DefWindowProcW(Native Method)
	at org.eclipse.swt.internal.win32.OS.DefWindowProc(OS.java:2525)
	at org.eclipse.swt.widgets.Scrollable.callWindowProc(Scrollable.java:80)
	at org.eclipse.swt.widgets.Control.windowProc(Control.java:4623)
	at org.eclipse.swt.widgets.Display.windowProc(Display.java:4985)
	at org.eclipse.swt.internal.win32.OS.DefWindowProcW(Native Method)
	at org.eclipse.swt.internal.win32.OS.DefWindowProc(OS.java:2525)
	at org.eclipse.swt.widgets.Scrollable.callWindowProc(Scrollable.java:80)
	at org.eclipse.swt.widgets.Control.windowProc(Control.java:4623)
	at org.eclipse.swt.widgets.Display.windowProc(Display.java:4985)
	at org.eclipse.swt.internal.win32.OS.DefWindowProcW(Native Method)
	at org.eclipse.swt.internal.win32.OS.DefWindowProc(OS.java:2525)
	at org.eclipse.swt.widgets.Scrollable.callWindowProc(Scrollable.java:80)
	at org.eclipse.swt.widgets.Control.windowProc(Control.java:4623)
	at org.eclipse.swt.widgets.Display.windowProc(Display.java:4985)
	at org.eclipse.swt.internal.win32.OS.DefWindowProcW(Native Method)
	at org.eclipse.swt.internal.win32.OS.DefWindowProc(OS.java:2525)
	at org.eclipse.swt.widgets.Scrollable.callWindowProc(Scrollable.java:80)
	at org.eclipse.swt.widgets.Control.windowProc(Control.java:4623)
	at org.eclipse.swt.widgets.Display.windowProc(Display.java:4985)
	at org.eclipse.swt.internal.win32.OS.DefWindowProcW(Native Method)
	at org.eclipse.swt.internal.win32.OS.DefWindowProc(OS.java:2525)
	at org.eclipse.swt.widgets.Scrollable.callWindowProc(Scrollable.java:80)
	at org.eclipse.swt.widgets.Control.windowProc(Control.java:4623)
	at org.eclipse.swt.widgets.Display.windowProc(Display.java:4985)
	at org.eclipse.swt.internal.win32.OS.DefWindowProcW(Native Method)
	at org.eclipse.swt.internal.win32.OS.DefWindowProc(OS.java:2525)
	at org.eclipse.swt.widgets.Scrollable.callWindowProc(Scrollable.java:80)
	at org.eclipse.swt.widgets.Control.windowProc(Control.java:4623)
	at org.eclipse.swt.widgets.Display.windowProc(Display.java:4985)
	at org.eclipse.swt.internal.win32.OS.DefWindowProcW(Native Method)
	at org.eclipse.swt.internal.win32.OS.DefWindowProc(OS.java:2525)
	at org.eclipse.swt.widgets.Scrollable.callWindowProc(Scrollable.java:80)
	at org.eclipse.swt.widgets.Control.windowProc(Control.java:4623)
	at org.eclipse.swt.widgets.Display.windowProc(Display.java:4985)
	at org.eclipse.swt.internal.win32.OS.DefWindowProcW(Native Method)
	at org.eclipse.swt.internal.win32.OS.DefWindowProc(OS.java:2525)
	at org.eclipse.swt.widgets.Scrollable.callWindowProc(Scrollable.java:80)
	at org.eclipse.swt.widgets.Control.windowProc(Control.java:4623)
	at org.eclipse.swt.widgets.Display.windowProc(Display.java:4985)
	at org.eclipse.swt.internal.win32.OS.DefWindowProcW(Native Method)
	at org.eclipse.swt.internal.win32.OS.DefWindowProc(OS.java:2525)
	at org.eclipse.swt.widgets.Scrollable.callWindowProc(Scrollable.java:80)
	at org.eclipse.swt.widgets.Control.windowProc(Control.java:4623)
	at org.eclipse.swt.widgets.Display.windowProc(Display.java:4985)
	at org.eclipse.swt.internal.win32.OS.DefWindowProcW(Native Method)
	at org.eclipse.swt.internal.win32.OS.DefWindowProc(OS.java:2525)
	at org.eclipse.swt.widgets.Scrollable.callWindowProc(Scrollable.java:80)
	at org.eclipse.swt.widgets.Control.windowProc(Control.java:4623)
	at org.eclipse.swt.widgets.Canvas.windowProc(Canvas.java:341)
	at org.eclipse.swt.widgets.Display.windowProc(Display.java:4985)
	at org.eclipse.swt.internal.win32.OS.DefWindowProcW(Native Method)
	at org.eclipse.swt.internal.win32.OS.DefWindowProc(OS.java:2525)
	at org.eclipse.swt.widgets.Scrollable.callWindowProc(Scrollable.java:80)
	at org.eclipse.swt.widgets.Control.windowProc(Control.java:4623)
	at org.eclipse.swt.widgets.Canvas.windowProc(Canvas.java:341)
	at org.eclipse.swt.widgets.Display.windowProc(Display.java:4985)
	at org.eclipse.swt.internal.win32.OS.PeekMessageW(Native Method)
	at org.eclipse.swt.internal.win32.OS.PeekMessage(OS.java:3095)
	at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3749)
	at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java:2696)
	at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:2660)
	at org.eclipse.ui.internal.Workbench.access$4(Workbench.java:2494)
	at org.eclipse.ui.internal.Workbench$7.run(Workbench.java:674)
	at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332)
	at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:667)
	at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:149)
	at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:123)
	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:344)
	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:622)
	at org.eclipse.equinox.launcher.Main.basicRun(Main.java:577)
	at org.eclipse.equinox.launcher.Main.run(Main.java:1410)



Reproducible: Sometimes

Comment 1 Dani Megert

2011-09-19 05:39:20 EDT


*** This bug has been marked as a duplicate of bug 357918 ***

Comment 2 Jan Hoppe

2011-09-19 06:29:25 EDT

Great, this helps me. But a plugin should NOT kill the complete Editor