Hello;
I encountered this, however only with one project, after I upgraded to
leopard. I believe I deleted all of the .* directories and .* files
in the root workspace and then reopened the workspace and reimported
the project into my workspace. This seems to have solved the problem
for me.
Don
On May 12, 2008, at 3:59 PM, David den Boer wrote:
So I upgraded to leopard on my primary dev machine finally, and am
now getting the dreaded eclipse Null Pointer Exception whenever
trying to open a project. The error is below. Any pointers are
greatly appreciated.
java.lang.NullPointerException
at
org
.eclipse
.jdt
.internal
.ui
.packageview.ClassPathContainer.getChildren(ClassPathContainer.java:
138)
at
org
.eclipse
.jdt
.internal
.ui
.packageview
.PackageExplorerContentProvider
.getContainerPackageFragmentRoots
(PackageExplorerContentProvider.java:334)
at
org
.eclipse
.jdt
.internal
.ui
.packageview
.PackageExplorerContentProvider
.getChildren(PackageExplorerContentProvider.java:269)
at
org
.objectstyle
.wolips
.jdt
.ui
.WOPackageExplorerContentProvider
.getChildren(WOPackageExplorerContentProvider.java:105)
at
org
.eclipse
.jface
.viewers.AbstractTreeViewer.getRawChildren(AbstractTreeViewer.java:
1320)
at
org.eclipse.jface.viewers.TreeViewer.getRawChildren(TreeViewer.java:
378)
at
org
.eclipse
.jdt
.internal
.ui
.viewsupport
.ProblemTreeViewer.hasFilteredChildren(ProblemTreeViewer.java:250)
at org.eclipse.jdt.internal.ui.packageview.PackageExplorerPart
$
PackageExplorerProblemTreeViewer.isFiltered(PackageExplorerPart.java:
287)
at
org
.eclipse
.jdt
.internal
.ui.viewsupport.ProblemTreeViewer.filter(ProblemTreeViewer.java:269)
at
org
.eclipse
.jdt
.internal
.ui
.viewsupport
.ProblemTreeViewer.getFilteredChildren(ProblemTreeViewer.java:258)
at
org
.eclipse
.jface
.viewers
.AbstractTreeViewer.getSortedChildren(AbstractTreeViewer.java:581)
at org.eclipse.jface.viewers.AbstractTreeViewer
$1.run(AbstractTreeViewer.java:778)
at
org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:67)
at
org
.eclipse
.jface
.viewers.AbstractTreeViewer.createChildren(AbstractTreeViewer.java:
755)
at
org.eclipse.jface.viewers.TreeViewer.createChildren(TreeViewer.java:
627)
at
org
.eclipse
.jface
.viewers
.AbstractTreeViewer.internalInitializeTree(AbstractTreeViewer.java:
1463)
at
org
.eclipse
.jface.viewers.TreeViewer.internalInitializeTree(TreeViewer.java:816)
at org.eclipse.jface.viewers.AbstractTreeViewer
$5.run(AbstractTreeViewer.java:1446)
at
org
.eclipse
.jface
.viewers.StructuredViewer.preservingSelection(StructuredViewer.java:
1368)
at
org
.eclipse
.jface.viewers.TreeViewer.preservingSelection(TreeViewer.java:390)
at
org
.eclipse
.jface
.viewers.StructuredViewer.preservingSelection(StructuredViewer.java:
1330)
at org.eclipse.jdt.internal.ui.packageview.PackageExplorerPart
$
PackageExplorerProblemTreeViewer
.preservingSelection(PackageExplorerPart.java:363)
at
org
.eclipse
.jface
.viewers.AbstractTreeViewer.inputChanged(AbstractTreeViewer.java:1435)
at
org.eclipse.jface.viewers.ContentViewer.setInput(ContentViewer.java:
251)
at
org
.eclipse
.jface.viewers.StructuredViewer.setInput(StructuredViewer.java:1606)
at
org
.eclipse
.jdt
.internal
.ui
.packageview
.PackageExplorerPart.createPartControl(PackageExplorerPart.java:598)
at
org
.objectstyle
.wolips
.jdt
.ui
.WOPackageExplorerPart.createPartControl(WOPackageExplorerPart.java:
89)
at
org
.eclipse
.ui.internal.ViewReference.createPartHelper(ViewReference.java:370)
at
org.eclipse.ui.internal.ViewReference.createPart(ViewReference.java:
227)
at
org
.eclipse
.ui
.internal.WorkbenchPartReference.getPart(WorkbenchPartReference.java:
592)
at org.eclipse.ui.internal.PartPane.setVisible(PartPane.java:299)
at org.eclipse.ui.internal.ViewPane.setVisible(ViewPane.java:531)
at
org
.eclipse
.ui
.internal
.presentations.PresentablePart.setVisible(PresentablePart.java:179)
at
org
.eclipse
.ui
.internal
.presentations
.util.PresentablePartFolder.select(PresentablePartFolder.java:268)
at
org
.eclipse
.ui
.internal
.presentations
.util.LeftToRightTabOrder.select(LeftToRightTabOrder.java:65)
at
org
.eclipse
.ui
.internal
.presentations
.util
.TabbedStackPresentation.selectPart(TabbedStackPresentation.java:400)
at
org
.eclipse
.ui.internal.PartStack.refreshPresentationSelection(PartStack.java:
1256)
at org.eclipse.ui.internal.PartStack.setSelection(PartStack.java:
1209)
at org.eclipse.ui.internal.PartStack.showPart(PartStack.java:1604)
at org.eclipse.ui.internal.PartStack.createControl(PartStack.java:
649)
at org.eclipse.ui.internal.PartStack.createControl(PartStack.java:
576)
at
org
.eclipse
.ui.internal.PartSashContainer.createControl(PartSashContainer.java:
564)
at
org
.eclipse
.ui.internal.PerspectiveHelper.activate(PerspectiveHelper.java:270)
at org.eclipse.ui.internal.Perspective.onActivate(Perspective.java:
931)
at
org.eclipse.ui.internal.WorkbenchPage.onActivate(WorkbenchPage.java:
2515)
at org.eclipse.ui.internal.WorkbenchWindow
$23.run(WorkbenchWindow.java:2837)
at
org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:67)
at
org
.eclipse
.ui.internal.WorkbenchWindow.setActivePage(WorkbenchWindow.java:2818)
at
org
.eclipse
.ui.internal.WorkbenchWindow.busyOpenPage(WorkbenchWindow.java:735)
at org.eclipse.ui.internal.Workbench
$20.runWithException(Workbench.java:1023)
at org.eclipse.ui.internal.StartupThreading
$StartupRunnable.run(StartupThreading.java:31)
at org.eclipse.swt.widgets.Synchronizer.syncExec(Synchronizer.java:
158)
at
org.eclipse.ui.internal.UISynchronizer.syncExec(UISynchronizer.java:
118)
at org.eclipse.swt.widgets.Display.syncExec(Display.java:3793)
at
org
.eclipse
.ui
.internal
.StartupThreading.runWithWorkbenchExceptions(StartupThreading.java:50)
at
org
.eclipse
.ui.internal.Workbench.busyOpenWorkbenchWindow(Workbench.java:1019)
at org.eclipse.ui.internal.Workbench.access$31(Workbench.java:995)
at org.eclipse.ui.internal.Workbench$51.run(Workbench.java:2003)
at
org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:67)
at
org.eclipse.ui.internal.Workbench.openWorkbenchWindow(Workbench.java:
2000)
at
org
.eclipse
.ui.actions.OpenInNewWindowAction.run(OpenInNewWindowAction.java:105)
at org.eclipse.jface.action.Action.runWithEvent(Action.java:498)
at
org
.eclipse
.jface
.action
.ActionContributionItem
.handleWidgetSelection(ActionContributionItem.java:546)
at org.eclipse.jface.action.ActionContributionItem.access
$2(ActionContributionItem.java:490)
at org.eclipse.jface.action.ActionContributionItem
$5.handleEvent(ActionContributionItem.java:402)
at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:66)
at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1495)
at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1519)
at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1504)
at org.eclipse.swt.widgets.Widget.notifyListeners(Widget.java:1295)
at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:
3350)
at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:2950)
at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java:
2389)
at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:2353)
at org.eclipse.ui.internal.Workbench.access$4(Workbench.java:2219)
at org.eclipse.ui.internal.Workbench$4.run(Workbench.java:466)
at
org
.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:
289)
at
org
.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:
461)
at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:
149)
at
org
.eclipse
.ui
.internal.ide.application.IDEApplication.start(IDEApplication.java:
106)
at
org
.eclipse
.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:169)
at
org
.eclipse
.core
.runtime
.internal
.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:
106)
at
org
.eclipse
.core
.runtime
.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:76)
at
org
.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:
363)
at
org
.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:
176)
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:508)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:447)
at org.eclipse.equinox.launcher.Main.run(Main.java:1173)
--
David den Boer | Architect, IS&T Web Applications | [EMAIL PROTECTED]
| ( 408.974.9739
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