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)