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https://sourceforge.net/forum/message.php?msg_id=3928543
By: patsmith

Hi everyone,
I'm using a fresh install of Java 1.5, Eclipse 3.2, and PyDev 1.2.3 on a Windows
XP box.

When I attempt to open a .py file I get the following, any help would be most
appreciated!

java.lang.NullPointerException
        at org.python.pydev.editor.PyEdit.getPythonNature(PyEdit.java:996)
        at org.python.pydev.parser.PyParser.<init>(PyParser.java:158)
        at 
org.python.pydev.editor.PyEdit.checkAndCreateParserIfNeeded(PyEdit.java:443)
        at org.python.pydev.editor.PyEdit.doSetInput(PyEdit.java:465)
        at 
org.eclipse.ui.texteditor.AbstractTextEditor$17.run(AbstractTextEditor.java:
2396)
        at 
org.eclipse.jface.operation.ModalContext.runInCurrentThread(ModalContext.jav
a:369)
        at org.eclipse.jface.operation.ModalContext.run(ModalContext.java:313)
        at 
org.eclipse.jface.window.ApplicationWindow$1.run(ApplicationWindow.java:763)
        at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:67)
        at 
org.eclipse.jface.window.ApplicationWindow.run(ApplicationWindow.java:760)
        at 
org.eclipse.ui.internal.WorkbenchWindow.run(WorkbenchWindow.java:2283)
        at 
org.eclipse.ui.texteditor.AbstractTextEditor.internalInit(AbstractTextEditor
.java:2414)
        at 
org.eclipse.ui.texteditor.AbstractTextEditor.init(AbstractTextEditor.java:24
41)
        at org.python.pydev.editor.PyEdit.init(PyEdit.java:329)
        at 
org.eclipse.ui.internal.EditorManager.createSite(EditorManager.java:839)
        at 
org.eclipse.ui.internal.EditorReference.createPartHelper(EditorReference.jav
a:583)
        at 
org.eclipse.ui.internal.EditorReference.createPart(EditorReference.java:372)
        at 
org.eclipse.ui.internal.WorkbenchPartReference.getPart(WorkbenchPartReferenc
e.java:566)
        at org.eclipse.ui.internal.PartPane.setVisible(PartPane.java:290)
        at 
org.eclipse.ui.internal.presentations.PresentablePart.setVisible(Presentable
Part.java:140)
        at 
org.eclipse.ui.internal.presentations.util.PresentablePartFolder.select(Pres
entablePartFolder.java:268)
        at 
org.eclipse.ui.internal.presentations.util.LeftToRightTabOrder.select(LeftTo
RightTabOrder.java:65)
        at 
org.eclipse.ui.internal.presentations.util.TabbedStackPresentation.selectPar
t(TabbedStackPresentation.java:394)
        at 
org.eclipse.ui.internal.PartStack.refreshPresentationSelection(PartStack.jav
a:1144)
        at org.eclipse.ui.internal.PartStack.setSelection(PartStack.java:1097)
        at org.eclipse.ui.internal.PartStack.showPart(PartStack.java:1311)
        at org.eclipse.ui.internal.PartStack.add(PartStack.java:455)
        at org.eclipse.ui.internal.EditorStack.add(EditorStack.java:102)
        at org.eclipse.ui.internal.PartStack.add(PartStack.java:441)
        at org.eclipse.ui.internal.EditorStack.add(EditorStack.java:111)
        at 
org.eclipse.ui.internal.EditorSashContainer.addEditor(EditorSashContainer.ja
va:60)
        at 
org.eclipse.ui.internal.EditorAreaHelper.addToLayout(EditorAreaHelper.java:2
17)
        at 
org.eclipse.ui.internal.EditorAreaHelper.addEditor(EditorAreaHelper.java:207
)
        at 
org.eclipse.ui.internal.EditorManager.createEditorTab(EditorManager.java:819
)
        at 
org.eclipse.ui.internal.EditorManager.openEditorFromDescriptor(EditorManager
.java:718)
        at 
org.eclipse.ui.internal.EditorManager.openEditor(EditorManager.java:679)
        at 
org.eclipse.ui.internal.WorkbenchPage.busyOpenEditorBatched(WorkbenchPage.ja
va:2586)
        at 
org.eclipse.ui.internal.WorkbenchPage.busyOpenEditor(WorkbenchPage.java:2521
)
        at 
org.eclipse.ui.internal.WorkbenchPage.access$10(WorkbenchPage.java:2513)
        at org.eclipse.ui.internal.WorkbenchPage$9.run(WorkbenchPage.java:2498)
        at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:67)
        at 
org.eclipse.ui.internal.WorkbenchPage.openEditor(WorkbenchPage.java:2493)
        at 
org.eclipse.ui.internal.WorkbenchPage.openEditor(WorkbenchPage.java:2478)
        at org.eclipse.ui.ide.IDE.openEditor(IDE.java:388)
        at org.eclipse.ui.ide.IDE.openEditor(IDE.java:350)
        at 
org.eclipse.jdt.internal.ui.javaeditor.EditorUtility.openInEditor(EditorUtil
ity.java:275)
        at 
org.eclipse.jdt.internal.ui.javaeditor.EditorUtility.openInEditor(EditorUtil
ity.java:139)
        at 
org.eclipse.jdt.internal.ui.actions.OpenActionUtil.open(OpenActionUtil.java:
49)
        at org.eclipse.jdt.ui.actions.OpenAction.run(OpenAction.java:190)
        at org.eclipse.jdt.ui.actions.OpenAction.run(OpenAction.java:174)
        at 
org.eclipse.jdt.ui.actions.SelectionDispatchAction.dispatchRun(SelectionDisp
atchAction.java:267)
        at 
org.eclipse.jdt.ui.actions.SelectionDispatchAction.run(SelectionDispatchActi
on.java:243)
        at 
org.eclipse.jdt.internal.ui.packageview.PackageExplorerActionGroup.handleOpe
n(PackageExplorerActionGroup.java:306)
        at 
org.eclipse.jdt.internal.ui.packageview.PackageExplorerPart$4.open(PackageEx
plorerPart.java:651)
        at 
org.eclipse.jface.viewers.StructuredViewer$2.run(StructuredViewer.java:817)
        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.fireOpen(StructuredViewer.java:81
5)
        at 
org.eclipse.jface.viewers.StructuredViewer.handleOpen(StructuredViewer.java:
1069)
        at 
org.eclipse.jface.viewers.StructuredViewer$6.handleOpen(StructuredViewer.jav
a:1168)
        at 
org.eclipse.jface.util.OpenStrategy.fireOpenEvent(OpenStrategy.java:249)
        at org.eclipse.jface.util.OpenStrategy.access$2(OpenStrategy.java:243)
        at 
org.eclipse.jface.util.OpenStrategy$1.handleEvent(OpenStrategy.java:283)
        at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:66)
        at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:928)
        at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:3348)
        at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:2968)
        at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java:1914)
        at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:1878)
        at 
org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:419)
        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(EclipseAp
pLauncher.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(Unknown Source)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
        at java.lang.reflect.Method.invoke(Unknown Source)
        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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