java.lang.NullPointerException

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  • Override/Implement Methods Error
    via pydev by askerl
    ,
    • java.lang.NullPointerException at org.python.pydev.refactoring.ast.adapters.FunctionArgAdapter.getSignature(FunctionArgAdapter.java:66) at org.python.pydev.refactoring.ast.adapters.FunctionDefAdapter.getSignature(FunctionDefAdapter.java:36) at org.python.pydev.refactoring.ui.model.overridemethods.FunctionTreeNode.getLabel(FunctionTreeNode.java:24) at org.python.pydev.refactoring.ui.model.tree.TreeLabelProvider.getText(TreeLabelProvider.java:26) at org.eclipse.jface.viewers.StructuredViewer.buildLabel(StructuredViewer.java:2102) at org.eclipse.jface.viewers.TreeViewer.doUpdateItem(TreeViewer.java:258) at org.eclipse.jface.viewers.AbstractTreeViewer$UpdateItemSafeRunnable.run(AbstractTreeViewer.java:95) at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:37) at org.eclipse.core.runtime.Platform.run(Platform.java:843) at org.eclipse.ui.internal.JFaceUtil$1.run(JFaceUtil.java:44) at org.eclipse.jface.util.SafeRunnable.run(SafeRunnable.java:149) at org.eclipse.jface.viewers.AbstractTreeViewer.doUpdateItem(AbstractTreeViewer.java:849) at org.eclipse.jface.viewers.StructuredViewer$UpdateItemSafeRunnable.run(StructuredViewer.java:465) at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:37) at org.eclipse.core.runtime.Platform.run(Platform.java:843) at org.eclipse.ui.internal.JFaceUtil$1.run(JFaceUtil.java:44) at org.eclipse.jface.util.SafeRunnable.run(SafeRunnable.java:149) at org.eclipse.jface.viewers.StructuredViewer.updateItem(StructuredViewer.java:1955) at org.eclipse.jface.viewers.AbstractTreeViewer.createTreeItem(AbstractTreeViewer.java:753) at org.eclipse.jface.viewers.AbstractTreeViewer$1.run(AbstractTreeViewer.java:731) at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:67) at org.eclipse.jface.viewers.AbstractTreeViewer.createChildren(AbstractTreeViewer.java:705) at org.eclipse.jface.viewers.TreeViewer.createChildren(TreeViewer.java:892) at org.eclipse.jface.viewers.AbstractTreeViewer.internalExpandToLevel(AbstractTreeViewer.java:1497) at org.eclipse.jface.viewers.AbstractTreeViewer.internalExpandToLevel(AbstractTreeViewer.java:1507) at org.eclipse.jface.viewers.AbstractTreeViewer$5.run(AbstractTreeViewer.java:1289) at org.eclipse.jface.viewers.StructuredViewer.preservingSelection(StructuredViewer.java:1323) at org.eclipse.jface.viewers.CheckboxTreeViewer.preservingSelection(CheckboxTreeViewer.java:371) at org.eclipse.jface.viewers.AbstractTreeViewer.inputChanged(AbstractTreeViewer.java:1277) at org.eclipse.jface.viewers.ContentViewer.setInput(ContentViewer.java:250) at org.eclipse.jface.viewers.StructuredViewer.setInput(StructuredViewer.java:1542) at org.python.pydev.refactoring.ui.pages.OverrideMethodsPage.createTreeViewer(OverrideMethodsPage.java:193) at org.python.pydev.refactoring.ui.pages.OverrideMethodsPage.createTreeComp(OverrideMethodsPage.java:149) at org.python.pydev.refactoring.ui.pages.OverrideMethodsPage.createMainComp(OverrideMethodsPage.java:88) at org.python.pydev.refactoring.ui.pages.OverrideMethodsPage.createControl(OverrideMethodsPage.java:198) at org.eclipse.jface.wizard.Wizard.createPageControls(Wizard.java:180) at org.eclipse.jface.wizard.WizardDialog.createPageControls(WizardDialog.java:614) at org.eclipse.jface.wizard.WizardDialog.createContents(WizardDialog.java:502) at org.eclipse.jface.window.Window.create(Window.java:426) at org.eclipse.jface.dialogs.Dialog.create(Dialog.java:1124) at org.eclipse.jface.window.Window.open(Window.java:785) at org.eclipse.ltk.ui.refactoring.RefactoringWizardOpenOperation$1.run(RefactoringWizardOpenOperation.java:132) at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:67) at org.eclipse.ltk.ui.refactoring.RefactoringWizardOpenOperation.run(RefactoringWizardOpenOperation.java:145) at org.python.pydev.refactoring.ui.actions.internal.AbstractRefactoringAction.openWizard(AbstractRefactoringAction.java:94) at org.python.pydev.refactoring.ui.actions.internal.AbstractRefactoringAction.run(AbstractRefactoringAction.java:109) at org.python.pydev.refactoring.ui.actions.OverrideMethodsAction.run(OverrideMethodsAction.java:11) at org.eclipse.ui.internal.PluginAction.runWithEvent(PluginAction.java:254) at org.eclipse.jface.action.ActionContributionItem.handleWidgetSelection(ActionContributionItem.java:539) at org.eclipse.jface.action.ActionContributionItem.access$2(ActionContributionItem.java:488) at org.eclipse.jface.action.ActionContributionItem$5.handleEvent(ActionContributionItem.java:400) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:66) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1085) at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:3180) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:2856) at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java:1930) at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:1894) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:422) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:149) at org.eclipse.ui.internal.ide.IDEApplication.run(IDEApplication.java:95) at org.eclipse.core.internal.runtime.PlatformActivator$1.run(PlatformActivator.java:78) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:92) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:68) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:400) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:177) 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:597) at org.eclipse.core.launcher.Main.invokeFramework(Main.java:336) at org.eclipse.core.launcher.Main.basicRun(Main.java:280) at org.eclipse.core.launcher.Main.run(Main.java:977) at org.eclipse.core.launcher.Main.main(Main.java:952)
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