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I attempted to move a .java file containing a single class from one package (say com.ibm.oti.foo.bar) to its parent package (com.ibm.oti.foo) by using the 'Move' menu item from the context menu in the Packages view. The move operation did not report any errors, nor did any appear in the .log file. However the file did not appear to move in the UI. After clicking on it a few times, I got the following errors in the .log file. Then I exited and restarted Eclipse. On restart, the package was in the correct package, and things seemed to work normally. Log: Thu Jan 10 18:13:55 EST 2002 4 org.eclipse.jdt.core 969 BusinessObjectListDialog.java does not exist. Log: Thu Jan 10 18:14:55 EST 2002 4 org.eclipse.jdt.ui 1 Internal Error Java Model Exception: Java Model Status [BusinessObjectListDialog.java does not exist.] at org.eclipse.jdt.internal.core.JavaElement.newNotPresentException (JavaElement.java:448) at org.eclipse.jdt.internal.core.Openable.getUnderlyingResource (Openable.java(Compiled Code)) at org.eclipse.jdt.internal.ui.compare.JavaHistoryAction.getFile (JavaHistoryAction.java:91) at org.eclipse.jdt.internal.ui.compare.JavaHistoryAction.isEnabled (JavaHistoryAction.java:172) at org.eclipse.jdt.internal.ui.compare.JavaHistoryAction.selectionChanged (JavaHistoryAction.java:190) at org.eclipse.ui.internal.PluginAction.refreshEnablement (PluginAction.java(Compiled Code)) at org.eclipse.ui.internal.PluginAction.selectionChanged (PluginAction.java(Compiled Code)) at org.eclipse.ui.internal.ObjectActionContributor.contributeObjectActions (ObjectActionContributor.java:67) at org.eclipse.ui.internal.ObjectActionContributorManager.contributeObjectActions (ObjectActionContributorManager.java:108) at org.eclipse.ui.internal.PopupMenuExtender.addObjectActions (PopupMenuExtender.java:47) at org.eclipse.ui.internal.PopupMenuExtender.menuAboutToShow (PopupMenuExtender.java:68) at org.eclipse.jface.action.MenuManager.fireAboutToShow (MenuManager.java:220) at org.eclipse.jface.action.MenuManager.handleAboutToShow (MenuManager.java:253) at org.eclipse.jface.action.MenuManager.access$0(MenuManager.java:250) at org.eclipse.jface.action.MenuManager$1.menuShown (MenuManager.java:280) at org.eclipse.swt.widgets.TypedListener.handleEvent(TypedListener.java (Compiled Code)) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java(Compiled Code)) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java(Compiled Code)) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java(Compiled Code)) at org.eclipse.swt.widgets.Control.WM_INITMENUPOPUP(Control.java:2920) at org.eclipse.swt.widgets.Control.windowProc(Control.java(Compiled Code)) at org.eclipse.swt.widgets.Decorations.windowProc(Decorations.java (Compiled Code)) at org.eclipse.swt.widgets.Display.windowProc(Display.java(Compiled Code)) at org.eclipse.swt.internal.win32.OS.TrackPopupMenu(Native Method) at org.eclipse.swt.widgets.Menu.setVisible(Menu.java:777) at org.eclipse.swt.widgets.Control.WM_CONTEXTMENU(Control.java:2745) at org.eclipse.swt.widgets.Control.windowProc(Control.java(Compiled Code)) at org.eclipse.swt.widgets.Display.windowProc(Display.java(Compiled Code)) at org.eclipse.swt.internal.win32.OS.CallWindowProcW(Native Method) at org.eclipse.swt.widgets.Tree.callWindowProc(Tree.java(Compiled Code)) at org.eclipse.swt.widgets.Tree.callWindowProc(Tree.java(Compiled Code)) at org.eclipse.swt.widgets.Control.WM_RBUTTONUP(Control.java:3595) at org.eclipse.swt.widgets.Control.windowProc(Control.java(Compiled Code)) at org.eclipse.swt.widgets.Display.windowProc(Display.java(Compiled Code)) at org.eclipse.swt.internal.win32.OS.DispatchMessageW(Native Method) at org.eclipse.swt.internal.win32.OS.DispatchMessage(OS.java(Compiled Code)) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java (Compiled Code)) at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java (Compiled Code)) at org.eclipse.ui.internal.Workbench.run(Workbench.java:798) at org.eclipse.core.internal.boot.InternalBootLoader.run (InternalBootLoader.java:821) at org.eclipse.core.boot.BootLoader.run(BootLoader.java:285) at java.lang.reflect.Method.invoke(Native Method) at org.eclipse.core.launcher.Main.basicRun(Main.java:151) at org.eclipse.core.launcher.Main.run(Main.java:502) at org.eclipse.core.launcher.Main.main(Main.java:362) 4 org.eclipse.jdt.core 969 BusinessObjectListDialog.java does not exist. Log: Thu Jan 10 18:14:59 EST 2002 1 org.eclipse.core.resources 4 Unhandled exception caught in event loop. Log: Thu Jan 10 18:14:59 EST 2002 4 org.eclipse.ui 0 java.lang.NullPointerException java.lang.NullPointerException at org.eclipse.ui.part.FileEditorInput.hashCode(FileEditorInput.java (Compiled Code)) at java.util.HashMap.get(HashMap.java(Compiled Code)) at org.eclipse.ui.texteditor.AbstractDocumentProvider.getDocument (AbstractDocumentProvider.java:287) at org.eclipse.jdt.internal.ui.compare.JavaHistoryAction.beingEdited (JavaHistoryAction.java:146) at org.eclipse.jdt.internal.ui.compare.JavaHistoryAction.isEnabled (JavaHistoryAction.java:173) at org.eclipse.jdt.internal.ui.compare.JavaHistoryAction.selectionChanged (JavaHistoryAction.java:190) at org.eclipse.ui.internal.PluginAction.refreshEnablement (PluginAction.java(Compiled Code)) at org.eclipse.ui.internal.PluginAction.selectionChanged (PluginAction.java(Compiled Code)) at org.eclipse.ui.internal.ObjectActionContributor.contributeObjectActions (ObjectActionContributor.java:67) at org.eclipse.ui.internal.ObjectActionContributorManager.contributeObjectActions (ObjectActionContributorManager.java:108) at org.eclipse.ui.internal.PopupMenuExtender.addObjectActions (PopupMenuExtender.java:47) at org.eclipse.ui.internal.PopupMenuExtender.menuAboutToShow (PopupMenuExtender.java:68) at org.eclipse.jface.action.MenuManager.fireAboutToShow (MenuManager.java:220) at org.eclipse.jface.action.MenuManager.handleAboutToShow (MenuManager.java:253) at org.eclipse.jface.action.MenuManager.access$0(MenuManager.java:250) at org.eclipse.jface.action.MenuManager$1.menuShown (MenuManager.java:280) at org.eclipse.swt.widgets.TypedListener.handleEvent(TypedListener.java (Compiled Code)) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java(Compiled Code)) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java(Compiled Code)) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java(Compiled Code)) at org.eclipse.swt.widgets.Control.WM_INITMENUPOPUP(Control.java:2920) at org.eclipse.swt.widgets.Control.windowProc(Control.java(Compiled Code)) at org.eclipse.swt.widgets.Decorations.windowProc(Decorations.java (Compiled Code)) at org.eclipse.swt.widgets.Display.windowProc(Display.java(Compiled Code)) at org.eclipse.swt.internal.win32.OS.TrackPopupMenu(Native Method) at org.eclipse.swt.widgets.Menu.setVisible(Menu.java:777) at org.eclipse.swt.widgets.Control.WM_CONTEXTMENU(Control.java:2745) at org.eclipse.swt.widgets.Control.windowProc(Control.java(Compiled Code)) at org.eclipse.swt.widgets.Display.windowProc(Display.java(Compiled Code)) at org.eclipse.swt.internal.win32.OS.CallWindowProcW(Native Method) at org.eclipse.swt.widgets.Tree.callWindowProc(Tree.java(Compiled Code)) at org.eclipse.swt.widgets.Tree.callWindowProc(Tree.java(Compiled Code)) at org.eclipse.swt.widgets.Control.WM_RBUTTONUP(Control.java:3595) at org.eclipse.swt.widgets.Control.windowProc(Control.java(Compiled Code)) at org.eclipse.swt.widgets.Display.windowProc(Display.java(Compiled Code)) at org.eclipse.swt.internal.win32.OS.DispatchMessageW(Native Method) at org.eclipse.swt.internal.win32.OS.DispatchMessage(OS.java(Compiled Code)) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java (Compiled Code)) at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java (Compiled Code)) at org.eclipse.ui.internal.Workbench.run(Workbench.java:798) at org.eclipse.core.internal.boot.InternalBootLoader.run (InternalBootLoader.java:821) at org.eclipse.core.boot.BootLoader.run(BootLoader.java:285) at java.lang.reflect.Method.invoke(Native Method) at org.eclipse.core.launcher.Main.basicRun(Main.java:151) at org.eclipse.core.launcher.Main.run(Main.java:502) at org.eclipse.core.launcher.Main.main(Main.java:362)
what version are you using? This looks like 7070 that was fixed in the latest integration build 20020109. *** This bug has been marked as a duplicate of 7070 ***
I was using the 20011219 build
Then this explains it, leaving the bug closed