java.lang.RuntimeException

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  • java.lang.RuntimeException: Error on document:null project:P/Playground at org.python.pydev.plugin.nature.PythonNatureStore.getPropertyFromXml(PythonNatureStore.java:570) at org.python.pydev.plugin.nature.PythonNature.getProjectInterpreterName(PythonNature.java:1068) at org.python.pydev.plugin.nature.PythonNature.getProjectInterpreter(PythonNature.java:1019) at org.python.pydev.plugin.nature.PythonNature.getConfigErrorsAndInfo(PythonNature.java:1094) at org.python.pydev.navigator.ProjectInfoForPackageExplorer.getConfigErrorsAndInfo(ProjectInfoForPackageExplorer.java:79) at org.python.pydev.navigator.ProjectInfoForPackageExplorer.recreateInfo(ProjectInfoForPackageExplorer.java:53) at org.python.pydev.navigator.ProjectInfoForPackageExplorer.<init>(ProjectInfoForPackageExplorer.java:45) at org.python.pydev.navigator.PythonBaseModelProvider.getProjectInfo(PythonBaseModelProvider.java:383) at org.python.pydev.navigator.PythonBaseModelProvider.getProjectSourceFolders(PythonBaseModelProvider.java:397) at org.python.pydev.navigator.PythonBaseModelProvider.getResourceInPythonModel(PythonBaseModelProvider.java:342) at org.python.pydev.navigator.PythonBaseModelProvider.getResourceInPythonModel(PythonBaseModelProvider.java:328) at org.python.pydev.navigator.PythonModelProvider.wrapChildren(PythonModelProvider.java:429) at org.python.pydev.navigator.PythonModelProvider.convertToPythonElementsAddOrRemove(PythonModelProvider.java:335) at org.python.pydev.navigator.PythonModelProvider.getPipelinedChildren(PythonModelProvider.java:104) at org.python.pydev.navigator.PythonModelProvider.getPipelinedElements(PythonModelProvider.java:132) at org.eclipse.ui.internal.navigator.NavigatorContentServiceContentProvider.pipelineElements(NavigatorContentServiceContentProvider.java:363) at org.eclipse.ui.internal.navigator.NavigatorContentServiceContentProvider.getElements(NavigatorContentServiceContentProvider.java:170) at org.eclipse.ui.internal.navigator.NavigatorSaveablesService.computeSaveables(NavigatorSaveablesService.java:235) at org.eclipse.ui.internal.navigator.NavigatorSaveablesService.recomputeSaveablesAndNotify(NavigatorSaveablesService.java:501) at org.eclipse.ui.internal.navigator.NavigatorSaveablesService.onVisibilityOrActivationChange(NavigatorSaveablesService.java:595) at org.eclipse.ui.internal.navigator.VisibilityAssistant.notifyClients(VisibilityAssistant.java:125) at org.eclipse.ui.internal.navigator.VisibilityAssistant.onExtensionActivation(VisibilityAssistant.java:225) at org.eclipse.ui.internal.navigator.NavigatorActivationService.notifyListeners(NavigatorActivationService.java:256) at org.eclipse.ui.internal.navigator.NavigatorActivationService.setActive(NavigatorActivationService.java:188) at org.eclipse.ui.internal.navigator.NavigatorActivationService.activateExtensions(NavigatorActivationService.java:321) at org.eclipse.ui.internal.navigator.filters.UpdateActiveExtensionsOperation.execute(UpdateActiveExtensionsOperation.java:119) at org.eclipse.ui.internal.navigator.filters.CommonFilterSelectionDialog.okPressed(CommonFilterSelectionDialog.java:231) at org.eclipse.jface.dialogs.Dialog.buttonPressed(Dialog.java:472) at org.eclipse.jface.dialogs.Dialog$2.widgetSelected(Dialog.java:624) at org.eclipse.swt.widgets.TypedListener.handleEvent(TypedListener.java:228) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1003) at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:3823) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3422) at org.eclipse.jface.window.Window.runEventLoop(Window.java:825) at org.eclipse.jface.window.Window.open(Window.java:801) at org.eclipse.ui.internal.navigator.filters.SelectFiltersAction.run(SelectFiltersAction.java:52) at org.eclipse.jface.action.Action.runWithEvent(Action.java:498) at org.eclipse.jface.action.ActionContributionItem.handleWidgetSelection(ActionContributionItem.java:583) at org.eclipse.jface.action.ActionContributionItem.access$2(ActionContributionItem.java:500) at org.eclipse.jface.action.ActionContributionItem$5.handleEvent(ActionContributionItem.java:411) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1003) at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:3823) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3422) at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java:2384) at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:2348) at org.eclipse.ui.internal.Workbench.access$4(Workbench.java:2200) at org.eclipse.ui.internal.Workbench$5.run(Workbench.java:495) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:288) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:490) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:149) at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:113) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:193) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:110) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:79) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:386) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:179) 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:549) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:504) at org.eclipse.equinox.launcher.Main.run(Main.java:1236) Caused by: org.eclipse.core.runtime.AssertionFailedException: null argument: at org.eclipse.core.runtime.Assert.isNotNull(Assert.java:86) at org.eclipse.core.runtime.Assert.isNotNull(Assert.java:74) at org.python.pydev.plugin.nature.PythonNatureStore.getRootNodeInXml(PythonNatureStore.java:372) at org.python.pydev.plugin.nature.PythonNatureStore.findPropertyNodeInXml(PythonNatureStore.java:410) at org.python.pydev.plugin.nature.PythonNatureStore.getPropertyFromXml(PythonNatureStore.java:558) ... 64 more

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