java.lang.NullPointerException

Spring JIRA | Imported | 10 years ago
  1. 0

    Here are the exceptions I am getting when I attempt to use the Project Explorer in Eclipse 3.3M6. It crops up when performing various activities such as renaming a file. I do not seem to have problems with Package Explorer though. {code} !ENTRY org.eclipse.core.resources 4 2 2007-03-25 02:01:18.735 !MESSAGE Problems occurred when invoking code from plug-in: "org.eclipse.core.resources". !STACK 0 java.lang.NullPointerException at org.springframework.ide.eclipse.webflow.ui.navigator.WebflowNavigatorContentProvider.hasChildren(WebflowNavigatorContentProvider.java:117) at org.eclipse.ui.internal.navigator.extensions.SafeDelegateTreeContentProvider.hasChildren(SafeDelegateTreeContentProvider.java:107) at org.eclipse.ui.internal.navigator.extensions.SafeDelegateTreeContentProvider.hasChildren(SafeDelegateTreeContentProvider.java:292) at org.eclipse.ui.internal.navigator.NavigatorContentServiceContentProvider.hasChildren(NavigatorContentServiceContentProvider.java:654) at org.eclipse.jface.viewers.AbstractTreeViewer.isExpandable(AbstractTreeViewer.java:1976) at org.eclipse.jface.viewers.TreeViewer.isExpandable(TreeViewer.java:449) at org.eclipse.jface.viewers.AbstractTreeViewer.isExpandable(AbstractTreeViewer.java:2006) at org.eclipse.jface.viewers.AbstractTreeViewer.updatePlus(AbstractTreeViewer.java:2619) at org.eclipse.jface.viewers.TreeViewer.updatePlus(TreeViewer.java:693) at org.eclipse.jface.viewers.AbstractTreeViewer.internalRefresh(AbstractTreeViewer.java:1753) at org.eclipse.jface.viewers.AbstractTreeViewer.internalRefresh(AbstractTreeViewer.java:1719) at org.eclipse.ui.navigator.CommonViewer.internalRefresh(CommonViewer.java:454) at org.eclipse.jface.viewers.StructuredViewer####8.run(StructuredViewer.java:1478) at org.eclipse.jface.viewers.StructuredViewer.preservingSelection(StructuredViewer.java:1333) at org.eclipse.jface.viewers.StructuredViewer.refresh(StructuredViewer.java:1476) at org.eclipse.ui.navigator.CommonViewer.refresh(CommonViewer.java:300) at org.eclipse.ui.navigator.CommonViewer.refresh(CommonViewer.java:401) at org.eclipse.jface.viewers.AbstractTreeViewer.createAddedElements(AbstractTreeViewer.java:358) at org.eclipse.jface.viewers.AbstractTreeViewer.internalAdd(AbstractTreeViewer.java:264) at org.eclipse.jface.viewers.TreeViewer.internalAdd(TreeViewer.java:513) at org.eclipse.jface.viewers.AbstractTreeViewer.add(AbstractTreeViewer.java:138) at org.eclipse.ui.navigator.CommonViewer.add(CommonViewer.java:247) at org.eclipse.ui.internal.navigator.resources.workbench.ResourceExtensionContentProvider####2.run(ResourceExtensionContentProvider.java:256) at org.eclipse.ui.internal.navigator.resources.workbench.ResourceExtensionContentProvider.runUpdates(ResourceExtensionContentProvider.java:295) at org.eclipse.ui.internal.navigator.resources.workbench.ResourceExtensionContentProvider.processDelta(ResourceExtensionContentProvider.java:105) at org.eclipse.ui.model.WorkbenchContentProvider.resourceChanged(WorkbenchContentProvider.java:106) at org.eclipse.core.internal.events.NotificationManager####2.run(NotificationManager.java:282) at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:37) at org.eclipse.core.internal.events.NotificationManager.notify(NotificationManager.java:276) at org.eclipse.core.internal.events.NotificationManager.broadcastChanges(NotificationManager.java:148) at org.eclipse.core.internal.resources.Workspace.broadcastPostChange(Workspace.java:311) at org.eclipse.core.internal.resources.Workspace.checkpoint(Workspace.java:365) at org.eclipse.ltk.core.refactoring.PerformChangeOperation####1.run(PerformChangeOperation.java:256) at org.eclipse.core.internal.resources.Workspace.run(Workspace.java:1797) at org.eclipse.ltk.core.refactoring.PerformChangeOperation.executeChange(PerformChangeOperation.java:299) at org.eclipse.ltk.internal.ui.refactoring.UIPerformChangeOperation.access####1(UIPerformChangeOperation.java:1) at org.eclipse.ltk.internal.ui.refactoring.UIPerformChangeOperation####1.run(UIPerformChangeOperation.java:66) at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:37) at org.eclipse.ltk.internal.ui.refactoring.UIPerformChangeOperation####2.run(UIPerformChangeOperation.java:84) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:35) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:123) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:3650) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3287) at org.eclipse.jface.operation.ModalContext####ModalContextThread.block(ModalContext.java:158) at org.eclipse.jface.operation.ModalContext.run(ModalContext.java:326) at org.eclipse.ltk.internal.ui.refactoring.RefactoringWizardDialog2.run(RefactoringWizardDialog2.java:310) at org.eclipse.ltk.ui.refactoring.RefactoringWizard.internalPerformFinish(RefactoringWizard.java:550) at org.eclipse.ltk.ui.refactoring.UserInputWizardPage.performFinish(UserInputWizardPage.java:154) at org.eclipse.ltk.ui.refactoring.RefactoringWizard.performFinish(RefactoringWizard.java:616) at org.eclipse.ltk.internal.ui.refactoring.RefactoringWizardDialog2.okPressed(RefactoringWizardDialog2.java:439) at org.eclipse.jface.dialogs.Dialog.buttonPressed(Dialog.java:464) at org.eclipse.jface.dialogs.Dialog####2.widgetSelected(Dialog.java:616) at org.eclipse.swt.widgets.TypedListener.handleEvent(TypedListener.java:227) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:66) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:938) at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:3673) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3284) at org.eclipse.jface.window.Window.runEventLoop(Window.java:820) at org.eclipse.jface.window.Window.open(Window.java:796) at org.eclipse.ltk.ui.refactoring.RefactoringWizardOpenOperation####1.run(RefactoringWizardOpenOperation.java:142) at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:67) at org.eclipse.ltk.ui.refactoring.RefactoringWizardOpenOperation.run(RefactoringWizardOpenOperation.java:154) at org.eclipse.jdt.internal.ui.refactoring.actions.RefactoringStarter.activate(RefactoringStarter.java:49) at org.eclipse.jdt.internal.ui.refactoring.UserInterfaceStarter.activate(UserInterfaceStarter.java:60) at org.eclipse.jdt.internal.ui.refactoring.reorg.RenameUserInterfaceStarter.activate(RenameUserInterfaceStarter.java:31) at org.eclipse.jdt.internal.corext.refactoring.RefactoringExecutionStarter.startRenameResourceRefactoring(RefactoringExecutionStarter.java:430) at org.eclipse.jdt.internal.ui.refactoring.actions.RenameResourceAction.run(RenameResourceAction.java:49) at org.eclipse.jdt.ui.actions.RenameAction.run(RenameAction.java:106) at org.eclipse.jdt.ui.actions.SelectionDispatchAction.dispatchRun(SelectionDispatchAction.java:268) at org.eclipse.jdt.ui.actions.SelectionDispatchAction.run(SelectionDispatchAction.java:244) at org.eclipse.jface.action.Action.runWithEvent(Action.java:498) at org.eclipse.jface.action.ActionContributionItem.handleWidgetSelection(ActionContributionItem.java:545) 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:938) at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:3673) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3284) at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java:2337) at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:2301) at org.eclipse.ui.internal.Workbench.access####4(Workbench.java:2176) at org.eclipse.ui.internal.Workbench####4.run(Workbench.java:463) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:289) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:458) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:149) at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:101) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:146) 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:356) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:171) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:476) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:416) at org.eclipse.equinox.launcher.Main.run(Main.java:1141) !ENTRY org.eclipse.ui.navigator 4 2 2007-03-25 02:01:18.813 !MESSAGE Problems occurred when invoking code from plug-in: "org.eclipse.ui.navigator". !STACK 0 java.lang.NullPointerException at org.springframework.ide.eclipse.webflow.ui.navigator.WebflowNavigatorContentProvider.hasChildren(WebflowNavigatorContentProvider.java:117) at org.eclipse.ui.internal.navigator.extensions.SafeDelegateTreeContentProvider.hasChildren(SafeDelegateTreeContentProvider.java:107) at org.eclipse.ui.internal.navigator.extensions.SafeDelegateTreeContentProvider.hasChildren(SafeDelegateTreeContentProvider.java:292) at org.eclipse.ui.internal.navigator.NavigatorContentServiceContentProvider.hasChildren(NavigatorContentServiceContentProvider.java:654) at org.eclipse.jface.viewers.AbstractTreeViewer.isExpandable(AbstractTreeViewer.java:1976) at org.eclipse.jface.viewers.TreeViewer.isExpandable(TreeViewer.java:449) at org.eclipse.jface.viewers.AbstractTreeViewer.isExpandable(AbstractTreeViewer.java:2006) at org.eclipse.jface.viewers.AbstractTreeViewer.updatePlus(AbstractTreeViewer.java:2619) at org.eclipse.jface.viewers.TreeViewer.updatePlus(TreeViewer.java:693) at org.eclipse.jface.viewers.AbstractTreeViewer.updateChildren(AbstractTreeViewer.java:2554) at org.eclipse.jface.viewers.AbstractTreeViewer.internalRefreshStruct(AbstractTreeViewer.java:1788) at org.eclipse.jface.viewers.TreeViewer.internalRefreshStruct(TreeViewer.java:561) at org.eclipse.jface.viewers.AbstractTreeViewer.internalRefreshStruct(AbstractTreeViewer.java:1795) at org.eclipse.jface.viewers.TreeViewer.internalRefreshStruct(TreeViewer.java:561) at org.eclipse.jface.viewers.AbstractTreeViewer.internalRefresh(AbstractTreeViewer.java:1763) at org.eclipse.jface.viewers.AbstractTreeViewer.internalRefresh(AbstractTreeViewer.java:1719) at org.eclipse.ui.navigator.CommonViewer.internalRefresh(CommonViewer.java:454) at org.eclipse.jface.viewers.StructuredViewer####8.run(StructuredViewer.java:1478) at org.eclipse.jface.viewers.StructuredViewer.preservingSelection(StructuredViewer.java:1333) at org.eclipse.jface.viewers.StructuredViewer.refresh(StructuredViewer.java:1476) at org.eclipse.ui.navigator.CommonViewer.update(CommonViewer.java:425) at org.eclipse.jface.viewers.StructuredViewer.update(StructuredViewer.java:1922) at org.eclipse.jface.viewers.StructuredViewer.handleLabelProviderChanged(StructuredViewer.java:1118) at org.eclipse.ui.navigator.CommonViewer.handleLabelProviderChanged(CommonViewer.java:177) at org.eclipse.jface.viewers.ContentViewer####1.labelProviderChanged(ContentViewer.java:74) at org.eclipse.ui.internal.navigator.NavigatorContentServiceLabelProvider####1.run(NavigatorContentServiceLabelProvider.java:293) at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:37) at org.eclipse.ui.internal.navigator.NavigatorContentServiceLabelProvider.fireLabelProviderChanged(NavigatorContentServiceLabelProvider.java:291) at org.eclipse.ui.internal.navigator.NavigatorContentServiceLabelProvider.labelProviderChanged(NavigatorContentServiceLabelProvider.java:346) at org.eclipse.jdt.ui.ProblemsLabelDecorator.fireProblemsChanged(ProblemsLabelDecorator.java:386) at org.eclipse.jdt.ui.ProblemsLabelDecorator.access####0(ProblemsLabelDecorator.java:381) at org.eclipse.jdt.ui.ProblemsLabelDecorator####1.problemsChanged(ProblemsLabelDecorator.java:361) at org.eclipse.jdt.internal.ui.viewsupport.ProblemMarkerManager####1.run(ProblemMarkerManager.java:177) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:35) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:123) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:3650) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3287) at org.eclipse.jface.operation.ModalContext####ModalContextThread.block(ModalContext.java:158) at org.eclipse.jface.operation.ModalContext.run(ModalContext.java:326) at org.eclipse.ltk.internal.ui.refactoring.RefactoringWizardDialog2.run(RefactoringWizardDialog2.java:310) at org.eclipse.ltk.ui.refactoring.RefactoringWizard.internalPerformFinish(RefactoringWizard.java:550) at org.eclipse.ltk.ui.refactoring.UserInputWizardPage.performFinish(UserInputWizardPage.java:154) at org.eclipse.ltk.ui.refactoring.RefactoringWizard.performFinish(RefactoringWizard.java:616) at org.eclipse.ltk.internal.ui.refactoring.RefactoringWizardDialog2.okPressed(RefactoringWizardDialog2.java:439) at org.eclipse.jface.dialogs.Dialog.buttonPressed(Dialog.java:464) at org.eclipse.jface.dialogs.Dialog####2.widgetSelected(Dialog.java:616) at org.eclipse.swt.widgets.TypedListener.handleEvent(TypedListener.java:227) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:66) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:938) at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:3673) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3284) at org.eclipse.jface.window.Window.runEventLoop(Window.java:820) at org.eclipse.jface.window.Window.open(Window.java:796) at org.eclipse.ltk.ui.refactoring.RefactoringWizardOpenOperation####1.run(RefactoringWizardOpenOperation.java:142) at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:67) at org.eclipse.ltk.ui.refactoring.RefactoringWizardOpenOperation.run(RefactoringWizardOpenOperation.java:154) at org.eclipse.jdt.internal.ui.refactoring.actions.RefactoringStarter.activate(RefactoringStarter.java:49) at org.eclipse.jdt.internal.ui.refactoring.UserInterfaceStarter.activate(UserInterfaceStarter.java:60) at org.eclipse.jdt.internal.ui.refactoring.reorg.RenameUserInterfaceStarter.activate(RenameUserInterfaceStarter.java:31) at org.eclipse.jdt.internal.corext.refactoring.RefactoringExecutionStarter.startRenameResourceRefactoring(RefactoringExecutionStarter.java:430) at org.eclipse.jdt.internal.ui.refactoring.actions.RenameResourceAction.run(RenameResourceAction.java:49) at org.eclipse.jdt.ui.actions.RenameAction.run(RenameAction.java:106) at org.eclipse.jdt.ui.actions.SelectionDispatchAction.dispatchRun(SelectionDispatchAction.java:268) at org.eclipse.jdt.ui.actions.SelectionDispatchAction.run(SelectionDispatchAction.java:244) at org.eclipse.jface.action.Action.runWithEvent(Action.java:498) at org.eclipse.jface.action.ActionContributionItem.handleWidgetSelection(ActionContributionItem.java:545) 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:938) at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:3673) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3284) at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java:2337) at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:2301) at org.eclipse.ui.internal.Workbench.access####4(Workbench.java:2176) at org.eclipse.ui.internal.Workbench####4.run(Workbench.java:463) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:289) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:458) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:149) at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:101) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:146) 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:356) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:171) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:476) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:416) at org.eclipse.equinox.launcher.Main.run(Main.java:1141) !ENTRY org.eclipse.ui.navigator 4 0 2007-03-25 02:01:19.719 !MESSAGE Could not acquire children from extension: org.springframework.ide.eclipse.webflow.ui.navigator.projectExplorerContent !STACK 0 java.lang.NullPointerException at org.springframework.ide.eclipse.webflow.ui.navigator.WebflowNavigatorContentProvider.getChildren(WebflowNavigatorContentProvider.java:92) at org.eclipse.ui.internal.navigator.extensions.SafeDelegateTreeContentProvider.getChildren(SafeDelegateTreeContentProvider.java:91) at org.eclipse.ui.internal.navigator.extensions.SafeDelegateTreeContentProvider.getChildren(SafeDelegateTreeContentProvider.java:281) at org.eclipse.ui.internal.navigator.extensions.SafeDelegateTreeContentProvider.getChildren(SafeDelegateTreeContentProvider.java:89) at org.eclipse.ui.internal.navigator.NavigatorContentServiceContentProvider.internalGetChildren(NavigatorContentServiceContentProvider.java:243) at org.eclipse.ui.internal.navigator.NavigatorContentServiceContentProvider.getChildren(NavigatorContentServiceContentProvider.java:635) at org.eclipse.jface.viewers.AbstractTreeViewer.getRawChildren(AbstractTreeViewer.java:1277) at org.eclipse.jface.viewers.TreeViewer.getRawChildren(TreeViewer.java:363) at org.eclipse.jface.viewers.AbstractTreeViewer.getFilteredChildren(AbstractTreeViewer.java:614) at org.eclipse.jface.viewers.AbstractTreeViewer.getSortedChildren(AbstractTreeViewer.java:580) at org.eclipse.jface.viewers.AbstractTreeViewer####1.run(AbstractTreeViewer.java:772) at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:67) at org.eclipse.jface.viewers.AbstractTreeViewer.createChildren(AbstractTreeViewer.java:751) at org.eclipse.jface.viewers.TreeViewer.createChildren(TreeViewer.java:495) at org.eclipse.jface.viewers.AbstractTreeViewer.internalSetExpanded(AbstractTreeViewer.java:1892) at org.eclipse.jface.viewers.AbstractTreeViewer.internalSetExpanded(AbstractTreeViewer.java:1898) at org.eclipse.jface.viewers.AbstractTreeViewer.internalSetExpanded(AbstractTreeViewer.java:1898) at org.eclipse.jface.viewers.AbstractTreeViewer.internalSetExpanded(AbstractTreeViewer.java:1898) at org.eclipse.jface.viewers.AbstractTreeViewer.internalSetExpanded(AbstractTreeViewer.java:1898) at org.eclipse.jface.viewers.AbstractTreeViewer.setExpandedElements(AbstractTreeViewer.java:2246) at org.eclipse.ui.navigator.CommonNavigator.selectReveal(CommonNavigator.java:310) at org.eclipse.jdt.internal.ui.refactoring.reorg.RenameSelectionState####1.run(RenameSelectionState.java:126) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:35) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:123) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:3650) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3287) at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java:2337) at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:2301) at org.eclipse.ui.internal.Workbench.access####4(Workbench.java:2176) at org.eclipse.ui.internal.Workbench####4.run(Workbench.java:463) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:289) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:458) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:149) at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:101) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:146) 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:356) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:171) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:476) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:416) at org.eclipse.equinox.launcher.Main.run(Main.java:1141) {code}

    Spring JIRA | 10 years ago | Imported
    java.lang.NullPointerException
  2. 0

    Here are the exceptions I am getting when I attempt to use the Project Explorer in Eclipse 3.3M6. It crops up when performing various activities such as renaming a file. I do not seem to have problems with Package Explorer though. {code} !ENTRY org.eclipse.core.resources 4 2 2007-03-25 02:01:18.735 !MESSAGE Problems occurred when invoking code from plug-in: "org.eclipse.core.resources". !STACK 0 java.lang.NullPointerException at org.springframework.ide.eclipse.webflow.ui.navigator.WebflowNavigatorContentProvider.hasChildren(WebflowNavigatorContentProvider.java:117) at org.eclipse.ui.internal.navigator.extensions.SafeDelegateTreeContentProvider.hasChildren(SafeDelegateTreeContentProvider.java:107) at org.eclipse.ui.internal.navigator.extensions.SafeDelegateTreeContentProvider.hasChildren(SafeDelegateTreeContentProvider.java:292) at org.eclipse.ui.internal.navigator.NavigatorContentServiceContentProvider.hasChildren(NavigatorContentServiceContentProvider.java:654) at org.eclipse.jface.viewers.AbstractTreeViewer.isExpandable(AbstractTreeViewer.java:1976) at org.eclipse.jface.viewers.TreeViewer.isExpandable(TreeViewer.java:449) at org.eclipse.jface.viewers.AbstractTreeViewer.isExpandable(AbstractTreeViewer.java:2006) at org.eclipse.jface.viewers.AbstractTreeViewer.updatePlus(AbstractTreeViewer.java:2619) at org.eclipse.jface.viewers.TreeViewer.updatePlus(TreeViewer.java:693) at org.eclipse.jface.viewers.AbstractTreeViewer.internalRefresh(AbstractTreeViewer.java:1753) at org.eclipse.jface.viewers.AbstractTreeViewer.internalRefresh(AbstractTreeViewer.java:1719) at org.eclipse.ui.navigator.CommonViewer.internalRefresh(CommonViewer.java:454) at org.eclipse.jface.viewers.StructuredViewer####8.run(StructuredViewer.java:1478) at org.eclipse.jface.viewers.StructuredViewer.preservingSelection(StructuredViewer.java:1333) at org.eclipse.jface.viewers.StructuredViewer.refresh(StructuredViewer.java:1476) at org.eclipse.ui.navigator.CommonViewer.refresh(CommonViewer.java:300) at org.eclipse.ui.navigator.CommonViewer.refresh(CommonViewer.java:401) at org.eclipse.jface.viewers.AbstractTreeViewer.createAddedElements(AbstractTreeViewer.java:358) at org.eclipse.jface.viewers.AbstractTreeViewer.internalAdd(AbstractTreeViewer.java:264) at org.eclipse.jface.viewers.TreeViewer.internalAdd(TreeViewer.java:513) at org.eclipse.jface.viewers.AbstractTreeViewer.add(AbstractTreeViewer.java:138) at org.eclipse.ui.navigator.CommonViewer.add(CommonViewer.java:247) at org.eclipse.ui.internal.navigator.resources.workbench.ResourceExtensionContentProvider####2.run(ResourceExtensionContentProvider.java:256) at org.eclipse.ui.internal.navigator.resources.workbench.ResourceExtensionContentProvider.runUpdates(ResourceExtensionContentProvider.java:295) at org.eclipse.ui.internal.navigator.resources.workbench.ResourceExtensionContentProvider.processDelta(ResourceExtensionContentProvider.java:105) at org.eclipse.ui.model.WorkbenchContentProvider.resourceChanged(WorkbenchContentProvider.java:106) at org.eclipse.core.internal.events.NotificationManager####2.run(NotificationManager.java:282) at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:37) at org.eclipse.core.internal.events.NotificationManager.notify(NotificationManager.java:276) at org.eclipse.core.internal.events.NotificationManager.broadcastChanges(NotificationManager.java:148) at org.eclipse.core.internal.resources.Workspace.broadcastPostChange(Workspace.java:311) at org.eclipse.core.internal.resources.Workspace.checkpoint(Workspace.java:365) at org.eclipse.ltk.core.refactoring.PerformChangeOperation####1.run(PerformChangeOperation.java:256) at org.eclipse.core.internal.resources.Workspace.run(Workspace.java:1797) at org.eclipse.ltk.core.refactoring.PerformChangeOperation.executeChange(PerformChangeOperation.java:299) at org.eclipse.ltk.internal.ui.refactoring.UIPerformChangeOperation.access####1(UIPerformChangeOperation.java:1) at org.eclipse.ltk.internal.ui.refactoring.UIPerformChangeOperation####1.run(UIPerformChangeOperation.java:66) at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:37) at org.eclipse.ltk.internal.ui.refactoring.UIPerformChangeOperation####2.run(UIPerformChangeOperation.java:84) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:35) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:123) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:3650) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3287) at org.eclipse.jface.operation.ModalContext####ModalContextThread.block(ModalContext.java:158) at org.eclipse.jface.operation.ModalContext.run(ModalContext.java:326) at org.eclipse.ltk.internal.ui.refactoring.RefactoringWizardDialog2.run(RefactoringWizardDialog2.java:310) at org.eclipse.ltk.ui.refactoring.RefactoringWizard.internalPerformFinish(RefactoringWizard.java:550) at org.eclipse.ltk.ui.refactoring.UserInputWizardPage.performFinish(UserInputWizardPage.java:154) at org.eclipse.ltk.ui.refactoring.RefactoringWizard.performFinish(RefactoringWizard.java:616) at org.eclipse.ltk.internal.ui.refactoring.RefactoringWizardDialog2.okPressed(RefactoringWizardDialog2.java:439) at org.eclipse.jface.dialogs.Dialog.buttonPressed(Dialog.java:464) at org.eclipse.jface.dialogs.Dialog####2.widgetSelected(Dialog.java:616) at org.eclipse.swt.widgets.TypedListener.handleEvent(TypedListener.java:227) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:66) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:938) at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:3673) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3284) at org.eclipse.jface.window.Window.runEventLoop(Window.java:820) at org.eclipse.jface.window.Window.open(Window.java:796) at org.eclipse.ltk.ui.refactoring.RefactoringWizardOpenOperation####1.run(RefactoringWizardOpenOperation.java:142) at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:67) at org.eclipse.ltk.ui.refactoring.RefactoringWizardOpenOperation.run(RefactoringWizardOpenOperation.java:154) at org.eclipse.jdt.internal.ui.refactoring.actions.RefactoringStarter.activate(RefactoringStarter.java:49) at org.eclipse.jdt.internal.ui.refactoring.UserInterfaceStarter.activate(UserInterfaceStarter.java:60) at org.eclipse.jdt.internal.ui.refactoring.reorg.RenameUserInterfaceStarter.activate(RenameUserInterfaceStarter.java:31) at org.eclipse.jdt.internal.corext.refactoring.RefactoringExecutionStarter.startRenameResourceRefactoring(RefactoringExecutionStarter.java:430) at org.eclipse.jdt.internal.ui.refactoring.actions.RenameResourceAction.run(RenameResourceAction.java:49) at org.eclipse.jdt.ui.actions.RenameAction.run(RenameAction.java:106) at org.eclipse.jdt.ui.actions.SelectionDispatchAction.dispatchRun(SelectionDispatchAction.java:268) at org.eclipse.jdt.ui.actions.SelectionDispatchAction.run(SelectionDispatchAction.java:244) at org.eclipse.jface.action.Action.runWithEvent(Action.java:498) at org.eclipse.jface.action.ActionContributionItem.handleWidgetSelection(ActionContributionItem.java:545) 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:938) at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:3673) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3284) at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java:2337) at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:2301) at org.eclipse.ui.internal.Workbench.access####4(Workbench.java:2176) at org.eclipse.ui.internal.Workbench####4.run(Workbench.java:463) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:289) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:458) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:149) at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:101) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:146) 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:356) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:171) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:476) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:416) at org.eclipse.equinox.launcher.Main.run(Main.java:1141) !ENTRY org.eclipse.ui.navigator 4 2 2007-03-25 02:01:18.813 !MESSAGE Problems occurred when invoking code from plug-in: "org.eclipse.ui.navigator". !STACK 0 java.lang.NullPointerException at org.springframework.ide.eclipse.webflow.ui.navigator.WebflowNavigatorContentProvider.hasChildren(WebflowNavigatorContentProvider.java:117) at org.eclipse.ui.internal.navigator.extensions.SafeDelegateTreeContentProvider.hasChildren(SafeDelegateTreeContentProvider.java:107) at org.eclipse.ui.internal.navigator.extensions.SafeDelegateTreeContentProvider.hasChildren(SafeDelegateTreeContentProvider.java:292) at org.eclipse.ui.internal.navigator.NavigatorContentServiceContentProvider.hasChildren(NavigatorContentServiceContentProvider.java:654) at org.eclipse.jface.viewers.AbstractTreeViewer.isExpandable(AbstractTreeViewer.java:1976) at org.eclipse.jface.viewers.TreeViewer.isExpandable(TreeViewer.java:449) at org.eclipse.jface.viewers.AbstractTreeViewer.isExpandable(AbstractTreeViewer.java:2006) at org.eclipse.jface.viewers.AbstractTreeViewer.updatePlus(AbstractTreeViewer.java:2619) at org.eclipse.jface.viewers.TreeViewer.updatePlus(TreeViewer.java:693) at org.eclipse.jface.viewers.AbstractTreeViewer.updateChildren(AbstractTreeViewer.java:2554) at org.eclipse.jface.viewers.AbstractTreeViewer.internalRefreshStruct(AbstractTreeViewer.java:1788) at org.eclipse.jface.viewers.TreeViewer.internalRefreshStruct(TreeViewer.java:561) at org.eclipse.jface.viewers.AbstractTreeViewer.internalRefreshStruct(AbstractTreeViewer.java:1795) at org.eclipse.jface.viewers.TreeViewer.internalRefreshStruct(TreeViewer.java:561) at org.eclipse.jface.viewers.AbstractTreeViewer.internalRefresh(AbstractTreeViewer.java:1763) at org.eclipse.jface.viewers.AbstractTreeViewer.internalRefresh(AbstractTreeViewer.java:1719) at org.eclipse.ui.navigator.CommonViewer.internalRefresh(CommonViewer.java:454) at org.eclipse.jface.viewers.StructuredViewer####8.run(StructuredViewer.java:1478) at org.eclipse.jface.viewers.StructuredViewer.preservingSelection(StructuredViewer.java:1333) at org.eclipse.jface.viewers.StructuredViewer.refresh(StructuredViewer.java:1476) at org.eclipse.ui.navigator.CommonViewer.update(CommonViewer.java:425) at org.eclipse.jface.viewers.StructuredViewer.update(StructuredViewer.java:1922) at org.eclipse.jface.viewers.StructuredViewer.handleLabelProviderChanged(StructuredViewer.java:1118) at org.eclipse.ui.navigator.CommonViewer.handleLabelProviderChanged(CommonViewer.java:177) at org.eclipse.jface.viewers.ContentViewer####1.labelProviderChanged(ContentViewer.java:74) at org.eclipse.ui.internal.navigator.NavigatorContentServiceLabelProvider####1.run(NavigatorContentServiceLabelProvider.java:293) at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:37) at org.eclipse.ui.internal.navigator.NavigatorContentServiceLabelProvider.fireLabelProviderChanged(NavigatorContentServiceLabelProvider.java:291) at org.eclipse.ui.internal.navigator.NavigatorContentServiceLabelProvider.labelProviderChanged(NavigatorContentServiceLabelProvider.java:346) at org.eclipse.jdt.ui.ProblemsLabelDecorator.fireProblemsChanged(ProblemsLabelDecorator.java:386) at org.eclipse.jdt.ui.ProblemsLabelDecorator.access####0(ProblemsLabelDecorator.java:381) at org.eclipse.jdt.ui.ProblemsLabelDecorator####1.problemsChanged(ProblemsLabelDecorator.java:361) at org.eclipse.jdt.internal.ui.viewsupport.ProblemMarkerManager####1.run(ProblemMarkerManager.java:177) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:35) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:123) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:3650) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3287) at org.eclipse.jface.operation.ModalContext####ModalContextThread.block(ModalContext.java:158) at org.eclipse.jface.operation.ModalContext.run(ModalContext.java:326) at org.eclipse.ltk.internal.ui.refactoring.RefactoringWizardDialog2.run(RefactoringWizardDialog2.java:310) at org.eclipse.ltk.ui.refactoring.RefactoringWizard.internalPerformFinish(RefactoringWizard.java:550) at org.eclipse.ltk.ui.refactoring.UserInputWizardPage.performFinish(UserInputWizardPage.java:154) at org.eclipse.ltk.ui.refactoring.RefactoringWizard.performFinish(RefactoringWizard.java:616) at org.eclipse.ltk.internal.ui.refactoring.RefactoringWizardDialog2.okPressed(RefactoringWizardDialog2.java:439) at org.eclipse.jface.dialogs.Dialog.buttonPressed(Dialog.java:464) at org.eclipse.jface.dialogs.Dialog####2.widgetSelected(Dialog.java:616) at org.eclipse.swt.widgets.TypedListener.handleEvent(TypedListener.java:227) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:66) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:938) at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:3673) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3284) at org.eclipse.jface.window.Window.runEventLoop(Window.java:820) at org.eclipse.jface.window.Window.open(Window.java:796) at org.eclipse.ltk.ui.refactoring.RefactoringWizardOpenOperation####1.run(RefactoringWizardOpenOperation.java:142) at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:67) at org.eclipse.ltk.ui.refactoring.RefactoringWizardOpenOperation.run(RefactoringWizardOpenOperation.java:154) at org.eclipse.jdt.internal.ui.refactoring.actions.RefactoringStarter.activate(RefactoringStarter.java:49) at org.eclipse.jdt.internal.ui.refactoring.UserInterfaceStarter.activate(UserInterfaceStarter.java:60) at org.eclipse.jdt.internal.ui.refactoring.reorg.RenameUserInterfaceStarter.activate(RenameUserInterfaceStarter.java:31) at org.eclipse.jdt.internal.corext.refactoring.RefactoringExecutionStarter.startRenameResourceRefactoring(RefactoringExecutionStarter.java:430) at org.eclipse.jdt.internal.ui.refactoring.actions.RenameResourceAction.run(RenameResourceAction.java:49) at org.eclipse.jdt.ui.actions.RenameAction.run(RenameAction.java:106) at org.eclipse.jdt.ui.actions.SelectionDispatchAction.dispatchRun(SelectionDispatchAction.java:268) at org.eclipse.jdt.ui.actions.SelectionDispatchAction.run(SelectionDispatchAction.java:244) at org.eclipse.jface.action.Action.runWithEvent(Action.java:498) at org.eclipse.jface.action.ActionContributionItem.handleWidgetSelection(ActionContributionItem.java:545) 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:938) at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:3673) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3284) at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java:2337) at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:2301) at org.eclipse.ui.internal.Workbench.access####4(Workbench.java:2176) at org.eclipse.ui.internal.Workbench####4.run(Workbench.java:463) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:289) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:458) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:149) at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:101) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:146) 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:356) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:171) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:476) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:416) at org.eclipse.equinox.launcher.Main.run(Main.java:1141) !ENTRY org.eclipse.ui.navigator 4 0 2007-03-25 02:01:19.719 !MESSAGE Could not acquire children from extension: org.springframework.ide.eclipse.webflow.ui.navigator.projectExplorerContent !STACK 0 java.lang.NullPointerException at org.springframework.ide.eclipse.webflow.ui.navigator.WebflowNavigatorContentProvider.getChildren(WebflowNavigatorContentProvider.java:92) at org.eclipse.ui.internal.navigator.extensions.SafeDelegateTreeContentProvider.getChildren(SafeDelegateTreeContentProvider.java:91) at org.eclipse.ui.internal.navigator.extensions.SafeDelegateTreeContentProvider.getChildren(SafeDelegateTreeContentProvider.java:281) at org.eclipse.ui.internal.navigator.extensions.SafeDelegateTreeContentProvider.getChildren(SafeDelegateTreeContentProvider.java:89) at org.eclipse.ui.internal.navigator.NavigatorContentServiceContentProvider.internalGetChildren(NavigatorContentServiceContentProvider.java:243) at org.eclipse.ui.internal.navigator.NavigatorContentServiceContentProvider.getChildren(NavigatorContentServiceContentProvider.java:635) at org.eclipse.jface.viewers.AbstractTreeViewer.getRawChildren(AbstractTreeViewer.java:1277) at org.eclipse.jface.viewers.TreeViewer.getRawChildren(TreeViewer.java:363) at org.eclipse.jface.viewers.AbstractTreeViewer.getFilteredChildren(AbstractTreeViewer.java:614) at org.eclipse.jface.viewers.AbstractTreeViewer.getSortedChildren(AbstractTreeViewer.java:580) at org.eclipse.jface.viewers.AbstractTreeViewer####1.run(AbstractTreeViewer.java:772) at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:67) at org.eclipse.jface.viewers.AbstractTreeViewer.createChildren(AbstractTreeViewer.java:751) at org.eclipse.jface.viewers.TreeViewer.createChildren(TreeViewer.java:495) at org.eclipse.jface.viewers.AbstractTreeViewer.internalSetExpanded(AbstractTreeViewer.java:1892) at org.eclipse.jface.viewers.AbstractTreeViewer.internalSetExpanded(AbstractTreeViewer.java:1898) at org.eclipse.jface.viewers.AbstractTreeViewer.internalSetExpanded(AbstractTreeViewer.java:1898) at org.eclipse.jface.viewers.AbstractTreeViewer.internalSetExpanded(AbstractTreeViewer.java:1898) at org.eclipse.jface.viewers.AbstractTreeViewer.internalSetExpanded(AbstractTreeViewer.java:1898) at org.eclipse.jface.viewers.AbstractTreeViewer.setExpandedElements(AbstractTreeViewer.java:2246) at org.eclipse.ui.navigator.CommonNavigator.selectReveal(CommonNavigator.java:310) at org.eclipse.jdt.internal.ui.refactoring.reorg.RenameSelectionState####1.run(RenameSelectionState.java:126) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:35) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:123) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:3650) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3287) at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java:2337) at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:2301) at org.eclipse.ui.internal.Workbench.access####4(Workbench.java:2176) at org.eclipse.ui.internal.Workbench####4.run(Workbench.java:463) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:289) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:458) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:149) at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:101) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:146) 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:356) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:171) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:476) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:416) at org.eclipse.equinox.launcher.Main.run(Main.java:1141) {code}

    Spring JIRA | 10 years ago | Imported
    java.lang.NullPointerException
  3. 0

    Android: Saving Map State in Google map

    Stack Overflow | 11 months ago | Junie Negentien
    java.lang.RuntimeException: Unable to resume activity {com.ourThesis.junieNegentien2015/com.ourThesis.junieNegentien2015.MainActivity}: java.lang.NullPointerException
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    Root Cause Analysis

    1. java.lang.NullPointerException

      No message provided

      at org.springframework.ide.eclipse.webflow.ui.navigator.WebflowNavigatorContentProvider.hasChildren()
    2. org.springframework.ide
      WebflowNavigatorContentProvider.hasChildren
      1. org.springframework.ide.eclipse.webflow.ui.navigator.WebflowNavigatorContentProvider.hasChildren(WebflowNavigatorContentProvider.java:117)
      1 frame
    3. Common Navigator View
      NavigatorContentServiceContentProvider.hasChildren
      1. org.eclipse.ui.internal.navigator.extensions.SafeDelegateTreeContentProvider.hasChildren(SafeDelegateTreeContentProvider.java:107)
      2. org.eclipse.ui.internal.navigator.extensions.SafeDelegateTreeContentProvider.hasChildren(SafeDelegateTreeContentProvider.java:292)
      3. org.eclipse.ui.internal.navigator.NavigatorContentServiceContentProvider.hasChildren(NavigatorContentServiceContentProvider.java:654)
      3 frames
    4. JFace
      AbstractTreeViewer.internalRefresh
      1. org.eclipse.jface.viewers.AbstractTreeViewer.isExpandable(AbstractTreeViewer.java:1976)
      2. org.eclipse.jface.viewers.TreeViewer.isExpandable(TreeViewer.java:449)
      3. org.eclipse.jface.viewers.AbstractTreeViewer.isExpandable(AbstractTreeViewer.java:2006)
      4. org.eclipse.jface.viewers.AbstractTreeViewer.updatePlus(AbstractTreeViewer.java:2619)
      5. org.eclipse.jface.viewers.TreeViewer.updatePlus(TreeViewer.java:693)
      6. org.eclipse.jface.viewers.AbstractTreeViewer.internalRefresh(AbstractTreeViewer.java:1753)
      7. org.eclipse.jface.viewers.AbstractTreeViewer.internalRefresh(AbstractTreeViewer.java:1719)
      7 frames
    5. Common Navigator View
      CommonViewer.internalRefresh
      1. org.eclipse.ui.navigator.CommonViewer.internalRefresh(CommonViewer.java:454)
      1 frame