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eclipse workbench reparieren – defekter eclipse workspace

Publiziert Thursday, der 25. June 2009

Mein Workbench in eclipse wird leider sehr häufig beschädigt, und all die guten Ratschläge im Netz wie dies zu reparieren sei funktionieren nicht, da sie von der Tatsache ausgehen, daß eclipse gestartet ist. Was aber, wenn eclipse wegen der beschädigten Workbench überhaupt nicht mehr startet (Wie das normal bei mir der Fall ist)?

Als erstes sollte man das Logfile prüfen. Es ist im workbench-Verzeichnis zu finden und heißt “.metdata”. In diesem Verzeichnis ist die Datei “.log” zu finden. Öffne diese Datei und siehe nach, ob hier nicht etwas nützliches zu finden ist. Hier ist das File, welches ich heute erhalten habe:

!ENTRY org.eclipse.osgi 4 0 2009-06-25 18:56:21.330
!MESSAGE Application error
!STACK 1
org.apache.commons.lang.exception.NestableError: Java Model Exception: Java Model Status [src/net/project/windows [in project] does not exist]
	at com.instantiations.designer.core.utils.execution.ExecutionUtils.runRethrow(ExecutionUtils.java:66)
	at com.instantiations.designer.core.editor.DesignPage.initialize(DesignPage.java:96)
	at com.instantiations.designer.core.editor.multi.MultiMode.create(MultiMode.java:74)
	at com.instantiations.designer.core.editor.multi.MultiPagesMode.create(MultiPagesMode.java:63)
	at com.instantiations.designer.core.editor.multi.MultiPageEditor.createPartControl(MultiPageEditor.java:57)
	at org.eclipse.ui.internal.EditorReference.createPartHelper(EditorReference.java:661)
	at org.eclipse.ui.internal.EditorReference.createPart(EditorReference.java:428)
	at org.eclipse.ui.internal.WorkbenchPartReference.getPart(WorkbenchPartReference.java:594)
	at org.eclipse.ui.internal.PartPane.setVisible(PartPane.java:306)
	at org.eclipse.ui.internal.presentations.PresentablePart.setVisible(PresentablePart.java:180)
	at org.eclipse.ui.internal.presentations.util.PresentablePartFolder.select(PresentablePartFolder.java:270)
	at org.eclipse.ui.internal.presentations.util.LeftToRightTabOrder.select(LeftToRightTabOrder.java:65)
	at org.eclipse.ui.internal.presentations.util.TabbedStackPresentation.selectPart(TabbedStackPresentation.java:473)
	at org.eclipse.ui.internal.PartStack.refreshPresentationSelection(PartStack.java:1256)
	at org.eclipse.ui.internal.PartStack.handleDeferredEvents(PartStack.java:1224)
	at org.eclipse.ui.internal.LayoutPart.deferUpdates(LayoutPart.java:400)
	at org.eclipse.ui.internal.PartSashContainer.handleDeferredEvents(PartSashContainer.java:1401)
	at org.eclipse.ui.internal.LayoutPart.deferUpdates(LayoutPart.java:400)
	at org.eclipse.ui.internal.WorkbenchPage.handleDeferredEvents(WorkbenchPage.java:1383)
	at org.eclipse.ui.internal.WorkbenchPage.deferUpdates(WorkbenchPage.java:1373)
	at org.eclipse.ui.internal.WorkbenchPage.access$14(WorkbenchPage.java:1364)
	at org.eclipse.ui.internal.WorkbenchPage$15.runWithException(WorkbenchPage.java:3261)
	at org.eclipse.ui.internal.StartupThreading$StartupRunnable.run(StartupThreading.java:31)
	at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:35)
	at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:133)
	at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:3342)
	at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3071)
	at org.eclipse.ui.application.WorkbenchAdvisor.openWindows(WorkbenchAdvisor.java:803)
	at org.eclipse.ui.internal.Workbench$27.runWithException(Workbench.java:1363)
	at org.eclipse.ui.internal.StartupThreading$StartupRunnable.run(StartupThreading.java:31)
	at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:35)
	at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:133)
	at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:3342)
	at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3071)
	at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:2295)
	at org.eclipse.ui.internal.Workbench.access$4(Workbench.java:2200)
	at org.eclipse.ui.internal.Workbench$5.run(Workbench.java:495)
	at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:288)
	at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:490)
	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:386)
	at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:179)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
	at java.lang.reflect.Method.invoke(Method.java:585)
	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)
Caused by: Java Model Exception: Java Model Status [src/net/siteduke/windows [in SiteDuke] does not exist]
	at org.eclipse.jdt.internal.core.JavaElement.newNotPresentException(JavaElement.java:491)
	at org.eclipse.jdt.internal.core.PackageFragmentRoot.getUnderlyingResource(PackageFragmentRoot.java:678)
	at org.eclipse.jdt.internal.core.PackageFragment.getUnderlyingResource(PackageFragment.java:337)
	at org.eclipse.jdt.internal.core.Openable.getUnderlyingResource(Openable.java:333)
	at org.eclipse.jdt.internal.core.CompilationUnit.getUnderlyingResource(CompilationUnit.java:916)
	at com.instantiations.designer.core.editor.UndoManager.<init>(UndoManager.java:62)
	at com.instantiations.designer.core.editor.DesignPage$2.run(DesignPage.java:99)
	at com.instantiations.designer.core.utils.execution.ExecutionUtils.runRethrow(ExecutionUtils.java:64)
	... 52 more
 
!ENTRY org.eclipse.osgi 2 0 2009-06-25 18:56:21.409
!MESSAGE The following is a complete list of bundles which are not resolved, see the prior log entry for the root cause if it exists:
!SUBENTRY 1 org.eclipse.osgi 2 0 2009-06-25 18:56:21.409
!MESSAGE Bundle reference:file:plugins/org.eclipse.jdt.apt.pluggable.core_1.0.101.R34x_v20081108-1950.jar [216] was not resolved.
!SUBENTRY 2 org.eclipse.jdt.apt.pluggable.core 2 0 2009-06-25 18:56:21.410
!MESSAGE Missing imported package org.eclipse.jdt.internal.compiler.tool_0.0.0.
!SUBENTRY 2 org.eclipse.jdt.apt.pluggable.core 2 0 2009-06-25 18:56:21.410
!MESSAGE Missing imported package org.eclipse.jdt.internal.compiler.apt.dispatch_0.0.0.
!SUBENTRY 2 org.eclipse.jdt.apt.pluggable.core 2 0 2009-06-25 18:56:21.410
!MESSAGE Missing imported package org.eclipse.jdt.internal.compiler.apt.model_0.0.0.
!SUBENTRY 2 org.eclipse.jdt.apt.pluggable.core 2 0 2009-06-25 18:56:21.411
!MESSAGE Missing imported package org.eclipse.jdt.internal.compiler.apt.util_0.0.0.
!SUBENTRY 1 org.eclipse.osgi 2 0 2009-06-25 18:56:21.411
!MESSAGE Bundle reference:file:plugins/org.eclipse.jdt.compiler.apt_1.0.101.R34x_v20090114-1205.jar [218] was not resolved.
!SUBENTRY 2 org.eclipse.jdt.compiler.apt 2 0 2009-06-25 18:56:21.412
!MESSAGE Missing imported package org.eclipse.jdt.internal.compiler.tool_0.0.0.
!SUBENTRY 1 org.eclipse.osgi 2 0 2009-06-25 18:56:21.412
!MESSAGE Bundle reference:file:plugins/org.eclipse.jdt.compiler.tool_1.0.100.v_894_R34x.jar [219] was not resolved.
!SUBENTRY 1 org.eclipse.osgi 2 0 2009-06-25 18:56:21.412
!MESSAGE Bundle reference:file:plugins/com.instantiations.designer.swing.java6_7.0.0.200905010653.jar [417] was not resolved.

In diesem speziellen Fall steckt die nützliche Information hier: org.apache.commons.lang.exception.NestableError: Java Model Exception: Java Model Status [src/net/project/windows [in project] does not exist] Aus irgendeinem Grund kann eclipse eine spezielle Datei nicht mehr auf der Workbench öffnen. Nach einigen Versuchen habe ich dann einen Weg gefunden dieses Problem zu umgehen:

  • Lege eine Sicherheitskopie des “.metadata“-Verzeichnisses an (sehr wichtig!!)
  • Navigiere in das Verzeichnis “.plugins” welches sich in “.metadata” befindet
  • Lösche dort das Verzeichnis “org.eclipse.ui.workbench“
  • Starte wieder eclipse und prüfe, ob noch alle Daten vorhanden sind.

Tip: Lege so häufig wie möglich eine komplette Sicherungskopie Deiner workbench an!

Ach ja – bitte vergiss auf keinen Fall: Du folgst diesem Rat auf eigene Verantwortung ;)

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