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The following exception is thrown when the mentioned functionality is executed from a history of an Sphinx handled EMF resource: java.lang.ArrayIndexOutOfBoundsException: 0 at org.eclipse.emf.compare.ui.viewer.content.part.diff.ModelContentMergeDiffTab.mapDifferences(ModelContentMergeDiffTab.java:668) at org.eclipse.emf.compare.ui.viewer.content.part.diff.ModelContentMergeDiffTab.setupCaches(ModelContentMergeDiffTab.java:459) at org.eclipse.sphinx.emf.compare.ui.viewer.content.ModelElementContentMergeDiffTab.setReflectiveInput(ModelElementContentMergeDiffTab.java:155) at org.eclipse.emf.compare.ui.viewer.content.part.ModelContentMergeTabFolder.setInput(ModelContentMergeTabFolder.java:311) at org.eclipse.emf.compare.ui.viewer.content.ModelContentMergeViewer.updateContent(ModelContentMergeViewer.java:824) at org.eclipse.compare.contentmergeviewer.ContentMergeViewer.internalRefresh(ContentMergeViewer.java:783) at org.eclipse.compare.contentmergeviewer.ContentMergeViewer.inputChanged(ContentMergeViewer.java:683) at org.eclipse.jface.viewers.ContentViewer.setInput(ContentViewer.java:274) at org.eclipse.emf.compare.ui.viewer.content.ModelContentMergeViewer.setInput(ModelContentMergeViewer.java:317) at org.eclipse.compare.CompareViewerSwitchingPane.setInput(CompareViewerSwitchingPane.java:276) at org.eclipse.compare.internal.CompareContentViewerSwitchingPane.setInput(CompareContentViewerSwitchingPane.java:158) at org.eclipse.compare.CompareEditorInput.internalSetContentPaneInput(CompareEditorInput.java:844) at org.eclipse.compare.CompareEditorInput.feedInput(CompareEditorInput.java:737) at org.eclipse.compare.CompareEditorInput.createContents(CompareEditorInput.java:554) at org.eclipse.compare.internal.CompareEditor.createCompareControl(CompareEditor.java:456)
Could you please state the steps to reproduce this bug?
Closed stale issue before migration