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Working with JDK 1.4.2 beta I was debugging an application for some time after that when I closed eclipse I got 6 error dialogs to see the log file. The log file contains 25 of the the following Unfortunately I cannot help you reproduce this. !ENTRY org.eclipse.ui.workbench 4 2 Jun 26, 2003 22:25:39.374 !MESSAGE Problems occurred when invoking code from plug-in: "org.eclipse.ui.workbench". !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:2357) at org.eclipse.swt.SWT.error(SWT.java:2287) at org.eclipse.swt.widgets.Widget.error(Widget.java:389) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:318) at org.eclipse.swt.custom.CLabel.setText(CLabel.java:582) at org.eclipse.ui.internal.ViewPane.updateTitles(ViewPane.java:683) at org.eclipse.ui.internal.ViewPane.propertyChanged(ViewPane.java:464) at org.eclipse.ui.part.WorkbenchPart$1.run(WorkbenchPart.java:99) at org.eclipse.core.internal.runtime.InternalPlatform.run(InternalPlatform.java:1015) at org.eclipse.core.runtime.Platform.run(Platform.java:420) at org.eclipse.ui.part.WorkbenchPart.firePropertyChange(WorkbenchPart.java:97) at org.eclipse.ui.part.WorkbenchPart.setTitle(WorkbenchPart.java:245) at org.eclipse.ui.views.markers.internal.MarkerView.updateTitle(MarkerView.java:536) at org.eclipse.ui.views.markers.internal.MarkerView$4.run(MarkerView.java:459) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:35) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:102) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:2018) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:1751) at org.eclipse.jface.window.Window.runEventLoop(Window.java:583) at org.eclipse.jface.window.Window.open(Window.java:563) at org.eclipse.jface.dialogs.MessageDialog.openError(MessageDialog.java:286) at org.eclipse.jface.util.SafeRunnable.handleException(SafeRunnable.java:50) at org.eclipse.ui.part.WorkbenchPart$1.handleException(WorkbenchPart.java:102) at org.eclipse.core.internal.runtime.InternalPlatform.handleException(InternalPlatform.java:467) at org.eclipse.core.internal.runtime.InternalPlatform.run(InternalPlatform.java:1017) at org.eclipse.core.runtime.Platform.run(Platform.java:420) at org.eclipse.ui.part.WorkbenchPart.firePropertyChange(WorkbenchPart.java:97) at org.eclipse.ui.part.WorkbenchPart.setTitle(WorkbenchPart.java:245) at org.eclipse.ui.views.markers.internal.MarkerView.updateTitle(MarkerView.java:536) at org.eclipse.ui.views.markers.internal.MarkerView$4.run(MarkerView.java:459) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:35) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:102) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:2018) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:1751) at org.eclipse.jface.window.Window.runEventLoop(Window.java:583) at org.eclipse.jface.window.Window.open(Window.java:563) at org.eclipse.jface.dialogs.MessageDialog.openError(MessageDialog.java:286) at org.eclipse.jface.util.SafeRunnable.handleException(SafeRunnable.java:50) at org.eclipse.ui.part.WorkbenchPart$1.handleException(WorkbenchPart.java:102) at org.eclipse.core.internal.runtime.InternalPlatform.handleException(InternalPlatform.java:467) at org.eclipse.core.internal.runtime.InternalPlatform.run(InternalPlatform.java:1017) at org.eclipse.core.runtime.Platform.run(Platform.java:420) at org.eclipse.ui.part.WorkbenchPart.firePropertyChange(WorkbenchPart.java:97) at org.eclipse.ui.part.WorkbenchPart.setTitle(WorkbenchPart.java:245) at org.eclipse.ui.views.markers.internal.MarkerView.updateTitle(MarkerView.java:536) at org.eclipse.ui.views.markers.internal.MarkerView$4.run(MarkerView.java:459) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:35) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:102) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:2018) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:1751) at org.eclipse.jface.window.Window.runEventLoop(Window.java:583) at org.eclipse.jface.window.Window.open(Window.java:563) at org.eclipse.jface.dialogs.MessageDialog.openError(MessageDialog.java:286) at org.eclipse.jface.util.SafeRunnable.handleException(SafeRunnable.java:50) at org.eclipse.ui.part.WorkbenchPart$1.handleException(WorkbenchPart.java:102) at org.eclipse.core.internal.runtime.InternalPlatform.handleException(InternalPlatform.java:467) at org.eclipse.core.internal.runtime.InternalPlatform.run(InternalPlatform.java:1017) at org.eclipse.core.runtime.Platform.run(Platform.java:420) at org.eclipse.ui.part.WorkbenchPart.firePropertyChange(WorkbenchPart.java:97) at org.eclipse.ui.part.WorkbenchPart.setTitle(WorkbenchPart.java:245) at org.eclipse.ui.views.markers.internal.MarkerView.updateTitle(MarkerView.java:536) at org.eclipse.ui.views.markers.internal.MarkerView$4.run(MarkerView.java:459) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:35) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:102) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:2018) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:1751) at org.eclipse.jface.window.Window.runEventLoop(Window.java:583) at org.eclipse.jface.window.Window.open(Window.java:563) at org.eclipse.jface.dialogs.MessageDialog.openError(MessageDialog.java:286) at org.eclipse.jface.util.SafeRunnable.handleException(SafeRunnable.java:50) at org.eclipse.ui.part.WorkbenchPart$1.handleException(WorkbenchPart.java:102) at org.eclipse.core.internal.runtime.InternalPlatform.handleException(InternalPlatform.java:467) at org.eclipse.core.internal.runtime.InternalPlatform.run(InternalPlatform.java:1017) at org.eclipse.core.runtime.Platform.run(Platform.java:420) at org.eclipse.ui.part.WorkbenchPart.firePropertyChange(WorkbenchPart.java:97) at org.eclipse.ui.part.WorkbenchPart.setTitle(WorkbenchPart.java:245) at org.eclipse.ui.views.markers.internal.MarkerView.updateTitle(MarkerView.java:536) at org.eclipse.ui.views.markers.internal.MarkerView$4.run(MarkerView.java:459) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:35) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:102) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:2018) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:1751) at org.eclipse.jface.window.Window.runEventLoop(Window.java:583) at org.eclipse.jface.window.Window.open(Window.java:563) at org.eclipse.jface.dialogs.MessageDialog.openError(MessageDialog.java:286) at org.eclipse.jface.util.SafeRunnable.handleException(SafeRunnable.java:50) at org.eclipse.ui.part.WorkbenchPart$1.handleException(WorkbenchPart.java:102) at org.eclipse.core.internal.runtime.InternalPlatform.handleException(InternalPlatform.java:467) at org.eclipse.core.internal.runtime.InternalPlatform.run(InternalPlatform.java:1017) at org.eclipse.core.runtime.Platform.run(Platform.java:420) at org.eclipse.ui.part.WorkbenchPart.firePropertyChange(WorkbenchPart.java:97) at org.eclipse.ui.part.WorkbenchPart.setTitle(WorkbenchPart.java:245) at org.eclipse.ui.views.markers.internal.MarkerView.updateTitle(MarkerView.java:536) at org.eclipse.ui.views.markers.internal.MarkerView$4.run(MarkerView.java:459) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:35) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:102) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:2018) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:1751) at org.eclipse.jface.window.Window.runEventLoop(Window.java:583) at org.eclipse.jface.window.Window.open(Window.java:563) at org.eclipse.jface.dialogs.MessageDialog.openError(MessageDialog.java:286) at org.eclipse.jface.util.SafeRunnable.handleException(SafeRunnable.java:50) at org.eclipse.ui.part.WorkbenchPart$1.handleException(WorkbenchPart.java:102) at org.eclipse.core.internal.runtime.InternalPlatform.handleException(InternalPlatform.java:467) at org.eclipse.core.internal.runtime.InternalPlatform.run(InternalPlatform.java:1017) at org.eclipse.core.runtime.Platform.run(Platform.java:420) at org.eclipse.ui.part.WorkbenchPart.firePropertyChange(WorkbenchPart.java:97) at org.eclipse.ui.part.WorkbenchPart.setTitle(WorkbenchPart.java:245) at org.eclipse.ui.views.markers.internal.MarkerView.updateTitle(MarkerView.java:536) at org.eclipse.ui.views.markers.internal.MarkerView$4.run(MarkerView.java:459) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:35) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:102) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:2018) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:1751) at org.eclipse.jface.window.Window.runEventLoop(Window.java:583) at org.eclipse.jface.window.Window.open(Window.java:563) at org.eclipse.jface.dialogs.MessageDialog.openError(MessageDialog.java:286) at org.eclipse.jface.util.SafeRunnable.handleException(SafeRunnable.java:50) at org.eclipse.ui.part.WorkbenchPart$1.handleException(WorkbenchPart.java:102) at org.eclipse.core.internal.runtime.InternalPlatform.handleException(InternalPlatform.java:467) at org.eclipse.core.internal.runtime.InternalPlatform.run(InternalPlatform.java:1017) at org.eclipse.core.runtime.Platform.run(Platform.java:420) at org.eclipse.ui.part.WorkbenchPart.firePropertyChange(WorkbenchPart.java:97) at org.eclipse.ui.part.WorkbenchPart.setTitle(WorkbenchPart.java:245) at org.eclipse.ui.views.markers.internal.MarkerView.updateTitle(MarkerView.java:536) at org.eclipse.ui.views.markers.internal.MarkerView$4.run(MarkerView.java:459) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:35) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:102) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:2018) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:1751) at org.eclipse.jface.window.Window.runEventLoop(Window.java:583) at org.eclipse.jface.window.Window.open(Window.java:563) at org.eclipse.jface.dialogs.MessageDialog.openError(MessageDialog.java:286) at org.eclipse.jface.util.SafeRunnable.handleException(SafeRunnable.java:50) at org.eclipse.ui.part.WorkbenchPart$1.handleException(WorkbenchPart.java:102) at org.eclipse.core.internal.runtime.InternalPlatform.handleException(InternalPlatform.java:467) at org.eclipse.core.internal.runtime.InternalPlatform.run(InternalPlatform.java:1017) at org.eclipse.core.runtime.Platform.run(Platform.java:420) at org.eclipse.ui.part.WorkbenchPart.firePropertyChange(WorkbenchPart.java:97) at org.eclipse.ui.part.WorkbenchPart.setTitle(WorkbenchPart.java:245) at org.eclipse.ui.views.markers.internal.MarkerView.updateTitle(MarkerView.java:536) at org.eclipse.ui.views.markers.internal.MarkerView$4.run(MarkerView.java:459) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:35) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:102) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:2018) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:1751) at org.eclipse.jface.window.Window.runEventLoop(Window.java:583) at org.eclipse.jface.window.Window.open(Window.java:563) at org.eclipse.jface.dialogs.MessageDialog.openError(MessageDialog.java:286) at org.eclipse.jface.util.SafeRunnable.handleException(SafeRunnable.java:50) at org.eclipse.ui.part.WorkbenchPart$1.handleException(WorkbenchPart.java:102) at org.eclipse.core.internal.runtime.InternalPlatform.handleException(InternalPlatform.java:467) at org.eclipse.core.internal.runtime.InternalPlatform.run(InternalPlatform.java:1017) at org.eclipse.core.runtime.Platform.run(Platform.java:420) at org.eclipse.ui.part.WorkbenchPart.firePropertyChange(WorkbenchPart.java:97) at org.eclipse.ui.part.WorkbenchPart.setTitle(WorkbenchPart.java:245) at org.eclipse.ui.views.markers.internal.MarkerView.updateTitle(MarkerView.java:536) at org.eclipse.ui.views.markers.internal.MarkerView$4.run(MarkerView.java:459) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:35) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:102) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:2018) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:1751) at org.eclipse.jface.window.Window.runEventLoop(Window.java:583) at org.eclipse.jface.window.Window.open(Window.java:563) at org.eclipse.jface.dialogs.MessageDialog.openError(MessageDialog.java:286) at org.eclipse.jface.util.SafeRunnable.handleException(SafeRunnable.java:50) at org.eclipse.ui.part.WorkbenchPart$1.handleException(WorkbenchPart.java:102) at org.eclipse.core.internal.runtime.InternalPlatform.handleException(InternalPlatform.java:467) at org.eclipse.core.internal.runtime.InternalPlatform.run(InternalPlatform.java:1017) at org.eclipse.core.runtime.Platform.run(Platform.java:420) at org.eclipse.ui.part.WorkbenchPart.firePropertyChange(WorkbenchPart.java:97) at org.eclipse.ui.part.WorkbenchPart.setTitle(WorkbenchPart.java:245) at org.eclipse.ui.views.markers.internal.MarkerView.updateTitle(MarkerView.java:536) at org.eclipse.ui.views.markers.internal.MarkerView$4.run(MarkerView.java:459) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:35) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:102) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:2018) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:1751) at org.eclipse.jface.window.Window.runEventLoop(Window.java:583) at org.eclipse.jface.window.Window.open(Window.java:563) at org.eclipse.jface.dialogs.MessageDialog.openError(MessageDialog.java:286) at org.eclipse.jface.util.SafeRunnable.handleException(SafeRunnable.java:50) at org.eclipse.ui.part.WorkbenchPart$1.handleException(WorkbenchPart.java:102) at org.eclipse.core.internal.runtime.InternalPlatform.handleException(InternalPlatform.java:467) at org.eclipse.core.internal.runtime.InternalPlatform.run(InternalPlatform.java:1017) at org.eclipse.core.runtime.Platform.run(Platform.java:420) at org.eclipse.ui.part.WorkbenchPart.firePropertyChange(WorkbenchPart.java:97) at org.eclipse.ui.part.WorkbenchPart.setTitle(WorkbenchPart.java:245) at org.eclipse.ui.views.markers.internal.MarkerView.updateTitle(MarkerView.java:536) at org.eclipse.ui.views.markers.internal.MarkerView$4.run(MarkerView.java:459) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:35) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:102) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:2018) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:1751) at org.eclipse.jface.window.Window.runEventLoop(Window.java:583) at org.eclipse.jface.window.Window.open(Window.java:563) at org.eclipse.jface.dialogs.MessageDialog.openError(MessageDialog.java:286) at org.eclipse.jface.util.SafeRunnable.handleException(SafeRunnable.java:50) at org.eclipse.ui.part.WorkbenchPart$1.handleException(WorkbenchPart.java:102) at org.eclipse.core.internal.runtime.InternalPlatform.handleException(InternalPlatform.java:467) at org.eclipse.core.internal.runtime.InternalPlatform.run(InternalPlatform.java:1017) at org.eclipse.core.runtime.Platform.run(Platform.java:420) at org.eclipse.ui.part.WorkbenchPart.firePropertyChange(WorkbenchPart.java:97) at org.eclipse.ui.part.WorkbenchPart.setTitle(WorkbenchPart.java:245) at org.eclipse.ui.views.markers.internal.MarkerView.updateTitle(MarkerView.java:536) at org.eclipse.ui.views.markers.internal.MarkerView$4.run(MarkerView.java:459) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:35) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:102) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:2018) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:1751) at org.eclipse.jface.window.Window.runEventLoop(Window.java:583) at org.eclipse.jface.window.Window.open(Window.java:563) at org.eclipse.jface.dialogs.MessageDialog.openError(MessageDialog.java:286) at org.eclipse.jface.util.SafeRunnable.handleException(SafeRunnable.java:50) at org.eclipse.ui.part.WorkbenchPart$1.handleException(WorkbenchPart.java:102) at org.eclipse.core.internal.runtime.InternalPlatform.handleException(InternalPlatform.java:467) at org.eclipse.core.internal.runtime.InternalPlatform.run(InternalPlatform.java:1017) at org.eclipse.core.runtime.Platform.run(Platform.java:420) at org.eclipse.ui.part.WorkbenchPart.firePropertyChange(WorkbenchPart.java:97) at org.eclipse.ui.part.WorkbenchPart.setTitle(WorkbenchPart.java:245) at org.eclipse.ui.views.markers.internal.MarkerView.updateTitle(MarkerView.java:536) at org.eclipse.ui.views.markers.internal.MarkerView$4.run(MarkerView.java:459) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:35) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:102) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:2018) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:1751) at org.eclipse.jface.window.Window.runEventLoop(Window.java:583) at org.eclipse.jface.window.Window.open(Window.java:563) at org.eclipse.jface.dialogs.MessageDialog.openError(MessageDialog.java:286) at org.eclipse.jface.util.SafeRunnable.handleException(SafeRunnable.java:50) at org.eclipse.ui.part.WorkbenchPart$1.handleException(WorkbenchPart.java:102) at org.eclipse.core.internal.runtime.InternalPlatform.handleException(InternalPlatform.java:467) at org.eclipse.core.internal.runtime.InternalPlatform.run(InternalPlatform.java:1017) at org.eclipse.core.runtime.Platform.run(Platform.java:420) at org.eclipse.ui.part.WorkbenchPart.firePropertyChange(WorkbenchPart.java:97) at org.eclipse.ui.part.WorkbenchPart.setTitle(WorkbenchPart.java:245) at org.eclipse.ui.views.markers.internal.MarkerView.updateTitle(MarkerView.java:536) at org.eclipse.ui.views.markers.internal.MarkerView$4.run(MarkerView.java:459) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:35) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:102) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:2018) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:1751) at org.eclipse.jface.window.Window.runEventLoop(Window.java:583) at org.eclipse.jface.window.Window.open(Window.java:563) at org.eclipse.jface.dialogs.MessageDialog.openError(MessageDialog.java:286) at org.eclipse.jface.util.SafeRunnable.handleException(SafeRunnable.java:50) at org.eclipse.ui.part.WorkbenchPart$1.handleException(WorkbenchPart.java:102) at org.eclipse.core.internal.runtime.InternalPlatform.handleException(InternalPlatform.java:467) at org.eclipse.core.internal.runtime.InternalPlatform.run(InternalPlatform.java:1017) at org.eclipse.core.runtime.Platform.run(Platform.java:420) at org.eclipse.ui.part.WorkbenchPart.firePropertyChange(WorkbenchPart.java:97) at org.eclipse.ui.part.WorkbenchPart.setTitle(WorkbenchPart.java:245) at org.eclipse.ui.views.markers.internal.MarkerView.updateTitle(MarkerView.java:536) at org.eclipse.ui.views.markers.internal.MarkerView$4.run(MarkerView.java:459) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:35) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:102) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:2018) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:1751) at org.eclipse.jface.window.Window.runEventLoop(Window.java:583) at org.eclipse.jface.window.Window.open(Window.java:563) at org.eclipse.jface.dialogs.MessageDialog.openError(MessageDialog.java:286) at org.eclipse.jface.util.SafeRunnable.handleException(SafeRunnable.java:50) at org.eclipse.ui.part.WorkbenchPart$1.handleException(WorkbenchPart.java:102) at org.eclipse.core.internal.runtime.InternalPlatform.handleException(InternalPlatform.java:467) at org.eclipse.core.internal.runtime.InternalPlatform.run(InternalPlatform.java:1017) at org.eclipse.core.runtime.Platform.run(Platform.java:420) at org.eclipse.ui.part.WorkbenchPart.firePropertyChange(WorkbenchPart.java:97) at org.eclipse.ui.part.WorkbenchPart.setTitle(WorkbenchPart.java:245) at org.eclipse.ui.views.markers.internal.MarkerView.updateTitle(MarkerView.java:536) at org.eclipse.ui.views.markers.internal.MarkerView$4.run(MarkerView.java:459) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:35) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:102) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:2018) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:1751) at org.eclipse.jface.window.Window.runEventLoop(Window.java:583) at org.eclipse.jface.window.Window.open(Window.java:563) at org.eclipse.jface.dialogs.MessageDialog.openError(MessageDialog.java:286) at org.eclipse.jface.util.SafeRunnable.handleException(SafeRunnable.java:50) at org.eclipse.ui.part.WorkbenchPart$1.handleException(WorkbenchPart.java:102) at org.eclipse.core.internal.runtime.InternalPlatform.handleException(InternalPlatform.java:467) at org.eclipse.core.internal.runtime.InternalPlatform.run(InternalPlatform.java:1017) at org.eclipse.core.runtime.Platform.run(Platform.java:420) at org.eclipse.ui.part.WorkbenchPart.firePropertyChange(WorkbenchPart.java:97) at org.eclipse.ui.part.WorkbenchPart.setTitle(WorkbenchPart.java:245) at org.eclipse.ui.views.markers.internal.MarkerView.updateTitle(MarkerView.java:536) at org.eclipse.ui.views.markers.internal.MarkerView$4.run(MarkerView.java:459) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:35) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:102) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:2018) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:1751) at org.eclipse.jface.window.Window.runEventLoop(Window.java:583) at org.eclipse.jface.window.Window.open(Window.java:563) at org.eclipse.jface.dialogs.MessageDialog.openError(MessageDialog.java:286) at org.eclipse.jface.util.SafeRunnable.handleException(SafeRunnable.java:50) at org.eclipse.ui.part.WorkbenchPart$1.handleException(WorkbenchPart.java:102) at org.eclipse.core.internal.runtime.InternalPlatform.handleException(InternalPlatform.java:467) at org.eclipse.core.internal.runtime.InternalPlatform.run(InternalPlatform.java:1017) at org.eclipse.core.runtime.Platform.run(Platform.java:420) at org.eclipse.ui.part.WorkbenchPart.firePropertyChange(WorkbenchPart.java:97) at org.eclipse.ui.part.WorkbenchPart.setTitle(WorkbenchPart.java:245) at org.eclipse.ui.views.markers.internal.MarkerView.updateTitle(MarkerView.java:536) at org.eclipse.ui.views.markers.internal.MarkerView$4.run(MarkerView.java:459) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:35) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:102) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:2018) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:1751) at org.eclipse.jface.window.Window.runEventLoop(Window.java:583) at org.eclipse.jface.window.Window.open(Window.java:563) at org.eclipse.jface.dialogs.MessageDialog.openError(MessageDialog.java:286) at org.eclipse.jface.util.SafeRunnable.handleException(SafeRunnable.java:50) at org.eclipse.ui.part.WorkbenchPart$1.handleException(WorkbenchPart.java:102) at org.eclipse.core.internal.runtime.InternalPlatform.handleException(InternalPlatform.java:467) at org.eclipse.core.internal.runtime.InternalPlatform.run(InternalPlatform.java:1017) at org.eclipse.core.runtime.Platform.run(Platform.java:420) at org.eclipse.ui.part.WorkbenchPart.firePropertyChange(WorkbenchPart.java:97) at org.eclipse.ui.part.WorkbenchPart.setTitle(WorkbenchPart.java:245) at org.eclipse.ui.views.markers.internal.MarkerView.updateTitle(MarkerView.java:536) at org.eclipse.ui.views.markers.internal.MarkerView$4.run(MarkerView.java:459) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:35) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:102) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:2018) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:1751) at org.eclipse.jface.window.Window.runEventLoop(Window.java:583) at org.eclipse.jface.window.Window.open(Window.java:563) at org.eclipse.jface.dialogs.MessageDialog.openError(MessageDialog.java:286) at org.eclipse.jface.util.SafeRunnable.handleException(SafeRunnable.java:50) at org.eclipse.ui.part.WorkbenchPart$1.handleException(WorkbenchPart.java:102) at org.eclipse.core.internal.runtime.InternalPlatform.handleException(InternalPlatform.java:467) at org.eclipse.core.internal.runtime.InternalPlatform.run(InternalPlatform.java:1017) at org.eclipse.core.runtime.Platform.run(Platform.java:420) at org.eclipse.ui.part.WorkbenchPart.firePropertyChange(WorkbenchPart.java:97) at org.eclipse.ui.part.WorkbenchPart.setTitle(WorkbenchPart.java:245) at org.eclipse.ui.views.markers.internal.MarkerView.updateTitle(MarkerView.java:536) at org.eclipse.ui.views.markers.internal.MarkerView$4.run(MarkerView.java:459) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:35) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:102) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:2018) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:1751) at org.eclipse.jface.window.Window.runEventLoop(Window.java:583) at org.eclipse.jface.window.Window.open(Window.java:563) at org.eclipse.jface.dialogs.MessageDialog.openError(MessageDialog.java:286) at org.eclipse.jface.util.SafeRunnable.handleException(SafeRunnable.java:50) at org.eclipse.ui.part.WorkbenchPart$1.handleException(WorkbenchPart.java:102) at org.eclipse.core.internal.runtime.InternalPlatform.handleException(InternalPlatform.java:467) at org.eclipse.core.internal.runtime.InternalPlatform.run(InternalPlatform.java:1017) at org.eclipse.core.runtime.Platform.run(Platform.java:420) at org.eclipse.ui.part.WorkbenchPart.firePropertyChange(WorkbenchPart.java:97) at org.eclipse.ui.part.WorkbenchPart.setTitle(WorkbenchPart.java:245) at org.eclipse.ui.views.markers.internal.MarkerView.updateTitle(MarkerView.java:536) at org.eclipse.ui.views.markers.internal.MarkerView$4.run(MarkerView.java:459) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:35) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:102) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:2018) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:1751) at org.eclipse.jface.window.Window.runEventLoop(Window.java:583) at org.eclipse.jface.window.Window.open(Window.java:563) at org.eclipse.jface.dialogs.MessageDialog.openError(MessageDialog.java:286) at org.eclipse.jface.util.SafeRunnable.handleException(SafeRunnable.java:50) at org.eclipse.ui.part.WorkbenchPart$1.handleException(WorkbenchPart.java:102) at org.eclipse.core.internal.runtime.InternalPlatform.handleException(InternalPlatform.java:467) at org.eclipse.core.internal.runtime.InternalPlatform.run(InternalPlatform.java:1017) at org.eclipse.core.runtime.Platform.run(Platform.java:420) at org.eclipse.ui.part.WorkbenchPart.firePropertyChange(WorkbenchPart.java:97) at org.eclipse.ui.part.WorkbenchPart.setTitle(WorkbenchPart.java:245) at org.eclipse.ui.views.markers.internal.MarkerView.updateTitle(MarkerView.java:536) at org.eclipse.ui.views.markers.internal.MarkerView$4.run(MarkerView.java:459) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:35) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:102) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:2018) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:1751) at org.eclipse.jface.window.Window.runEventLoop(Window.java:583) at org.eclipse.jface.window.Window.open(Window.java:563) at org.eclipse.jface.dialogs.MessageDialog.openError(MessageDialog.java:286) at org.eclipse.jface.util.SafeRunnable.handleException(SafeRunnable.java:50) at org.eclipse.ui.part.WorkbenchPart$1.handleException(WorkbenchPart.java:102) at org.eclipse.core.internal.runtime.InternalPlatform.handleException(InternalPlatform.java:467) at org.eclipse.core.internal.runtime.InternalPlatform.run(InternalPlatform.java:1017) at org.eclipse.core.runtime.Platform.run(Platform.java:420) at org.eclipse.ui.part.WorkbenchPart.firePropertyChange(WorkbenchPart.java:97) at org.eclipse.ui.part.WorkbenchPart.setTitle(WorkbenchPart.java:245) at org.eclipse.ui.views.markers.internal.MarkerView.updateTitle(MarkerView.java:536) at org.eclipse.ui.views.markers.internal.MarkerView$4.run(MarkerView.java:459) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:35) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:102) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:2018) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:1751) at org.eclipse.swt.widgets.Display.release(Display.java:1800) at org.eclipse.swt.graphics.Device.dispose(Device.java:212) at org.eclipse.ui.internal.Workbench.run(Workbench.java:1371) at org.eclipse.core.internal.boot.InternalBootLoader.run(InternalBootLoader.java:858) at org.eclipse.core.boot.BootLoader.run(BootLoader.java:461) 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:324) at org.eclipse.core.launcher.Main.basicRun(Main.java:291) at org.eclipse.core.launcher.Main.run(Main.java:747) at org.eclipse.core.launcher.Main.main(Main.java:583)
The stack trace does not indicate a problem with debug. The marker view is owned by the workbench.
Exactly which version of 3.0 were you using (i.e. which build)? Is it possible this is an SWT issue or are we *** This bug has been marked as a duplicate of 39445 ***