[Marcos Sousa]

I’m creating some class diagrams in a repository diagram. Well, yesterday I saved the repository, made some changes and when I got to exit, I didn’t save the others changes… Today when I got to open the file, I recieved this message:

java.lang.NullPointerException
    at com.genuitec.eclipse.uml.editor.UMLEditor.init(UMLEditor.java:667)
    at org.eclipse.ui.internal.EditorManager.createSite(EditorManager.java:778)
    at org.eclipse.ui.internal.EditorReference.createPartHelper(EditorReference.java:596)
    at org.eclipse.ui.internal.EditorReference.createPart(EditorReference.java:384)
    at org.eclipse.ui.internal.WorkbenchPartReference.getPart(WorkbenchPartReference.java:552)
    at org.eclipse.ui.internal.PartPane.setVisible(PartPane.java:283)
    at org.eclipse.ui.internal.presentations.PresentablePart.setVisible(PresentablePart.java:126)
    at org.eclipse.ui.internal.presentations.util.PresentablePartFolder.select(PresentablePartFolder.java:268)
    at org.eclipse.ui.internal.presentations.util.LeftToRightTabOrder.select(LeftToRightTabOrder.java:65)
    at org.eclipse.ui.internal.presentations.util.TabbedStackPresentation.selectPart(TabbedStackPresentation.java:391)
    at org.eclipse.ui.internal.PartStack.refreshPresentationSelection(PartStack.java:1102)
    at org.eclipse.ui.internal.PartStack.setSelection(PartStack.java:1051)
    at org.eclipse.ui.internal.PartStack.showPart(PartStack.java:1256)
    at org.eclipse.ui.internal.PartStack.add(PartStack.java:442)
    at org.eclipse.ui.internal.EditorStack.add(EditorStack.java:109)
    at org.eclipse.ui.internal.EditorSashContainer.addEditor(EditorSashContainer.java:60)
    at org.eclipse.ui.internal.EditorAreaHelper.addToLayout(EditorAreaHelper.java:212)
    at org.eclipse.ui.internal.EditorAreaHelper.addEditor(EditorAreaHelper.java:202)
    at org.eclipse.ui.internal.EditorManager.createEditorTab(EditorManager.java:758)
    at org.eclipse.ui.internal.EditorManager.openEditorFromDescriptor(EditorManager.java:665)
    at org.eclipse.ui.internal.EditorManager.openEditor(EditorManager.java:628)
    at org.eclipse.ui.internal.WorkbenchPage.busyOpenEditorBatched(WorkbenchPage.java:2360)
    at org.eclipse.ui.internal.WorkbenchPage.busyOpenEditor(WorkbenchPage.java:2295)
    at org.eclipse.ui.internal.WorkbenchPage.access$9(WorkbenchPage.java:2287)
    at org.eclipse.ui.internal.WorkbenchPage$9.run(WorkbenchPage.java:2273)

Is there a way to retreive this file again?

😳

[Riyad Kalla]

You should have another file named .umr~ with the same beginning of the file name. See if you can rename that to .umr and open it.

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