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via pydev by nwilbert
, 1 year ago
Error on document:null project:P/Playground
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)	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.(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)