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Build Identifier: 20100218-1602 I have two ecore files with differences (and no, I can't provide the ecores, as they are intellectual property). Asking EMF Compare to compare them results in three identical out of bounds exceptions: org.eclipse.emf.common.util.BasicEList$BasicIndexOutOfBoundsException: index=0, size=0 at org.eclipse.emf.common.util.BasicEList.get(BasicEList.java:352) at org.eclipse.emf.compare.diff.provider.DiffModelItemProvider.getText(DiffModelItemProvider.java:166) at org.eclipse.emf.edit.ui.provider.AdapterFactoryLabelProvider.getText(AdapterFactoryLabelProvider.java:380) at org.eclipse.emf.compare.ui.viewer.structure.ModelStructureMergeViewer$ModelStructureLabelProvider.getText(ModelStructureMergeViewer.java:368) at org.eclipse.jface.viewers.WrappedViewerLabelProvider.getText(WrappedViewerLabelProvider.java:108) at org.eclipse.jface.viewers.WrappedViewerLabelProvider.update(WrappedViewerLabelProvider.java:164) at org.eclipse.jface.viewers.ViewerColumn.refresh(ViewerColumn.java:145) at org.eclipse.jface.viewers.AbstractTreeViewer.doUpdateItem(AbstractTreeViewer.java:932) at org.eclipse.jface.viewers.AbstractTreeViewer$UpdateItemSafeRunnable.run(AbstractTreeViewer.java:102) at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42) at org.eclipse.core.runtime.Platform.run(Platform.java:888) at org.eclipse.ui.internal.JFaceUtil$1.run(JFaceUtil.java:48) at org.eclipse.jface.util.SafeRunnable.run(SafeRunnable.java:175) at org.eclipse.jface.viewers.AbstractTreeViewer.doUpdateItem(AbstractTreeViewer.java:994) at org.eclipse.jface.viewers.StructuredViewer$UpdateItemSafeRunnable.run(StructuredViewer.java:481) at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42) at org.eclipse.core.runtime.Platform.run(Platform.java:888) at org.eclipse.ui.internal.JFaceUtil$1.run(JFaceUtil.java:48) at org.eclipse.jface.util.SafeRunnable.run(SafeRunnable.java:175) at org.eclipse.jface.viewers.StructuredViewer.updateItem(StructuredViewer.java:2111) at org.eclipse.jface.viewers.AbstractTreeViewer.createTreeItem(AbstractTreeViewer.java:827) at org.eclipse.jface.viewers.AbstractTreeViewer$1.run(AbstractTreeViewer.java:782) at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:70) at org.eclipse.jface.viewers.AbstractTreeViewer.createChildren(AbstractTreeViewer.java:776) at org.eclipse.jface.viewers.TreeViewer.createChildren(TreeViewer.java:639) at org.eclipse.jface.viewers.AbstractTreeViewer.internalInitializeTree(AbstractTreeViewer.java:1490) at org.eclipse.jface.viewers.TreeViewer.internalInitializeTree(TreeViewer.java:828) at org.eclipse.jface.viewers.AbstractTreeViewer$5.run(AbstractTreeViewer.java:1474) at org.eclipse.jface.viewers.StructuredViewer.preservingSelection(StructuredViewer.java:1392) at org.eclipse.jface.viewers.TreeViewer.preservingSelection(TreeViewer.java:402) at org.eclipse.jface.viewers.StructuredViewer.preservingSelection(StructuredViewer.java:1353) at org.eclipse.jface.viewers.AbstractTreeViewer.inputChanged(AbstractTreeViewer.java:1467) at org.eclipse.emf.compare.ui.viewer.structure.ModelStructureMergeViewer.inputChanged(ModelStructureMergeViewer.java:163) at org.eclipse.jface.viewers.ContentViewer.setInput(ContentViewer.java:274) at org.eclipse.jface.viewers.StructuredViewer.setInput(StructuredViewer.java:1634) at org.eclipse.emf.compare.ui.viewer.structure.ModelStructureMergeViewer$ConfigurationPropertyListener.propertyChange(ModelStructureMergeViewer.java:298) at org.eclipse.compare.CompareConfiguration.fireChange(CompareConfiguration.java:367) at org.eclipse.compare.CompareConfiguration.setProperty(CompareConfiguration.java:398) at org.eclipse.emf.compare.ui.viewer.content.ModelContentMergeViewer.setInput(ModelContentMergeViewer.java:305) at org.eclipse.compare.CompareViewerSwitchingPane.setInput(CompareViewerSwitchingPane.java:270) at org.eclipse.compare.internal.CompareContentViewerSwitchingPane.setInput(CompareContentViewerSwitchingPane.java:132) at org.eclipse.compare.CompareEditorInput.internalSetContentPaneInput(CompareEditorInput.java:817) at org.eclipse.compare.CompareEditorInput.access$8(CompareEditorInput.java:815) at org.eclipse.compare.CompareEditorInput$11.run(CompareEditorInput.java:755) at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:70) at org.eclipse.compare.CompareEditorInput.feed1(CompareEditorInput.java:749) at org.eclipse.compare.CompareEditorInput.feedInput(CompareEditorInput.java:727) at org.eclipse.compare.CompareEditorInput.createContents(CompareEditorInput.java:543) at com.ibm.team.filesystem.rcp.ui.internal.compare.LocalFileCompareEditorInput.createContents(LocalFileCompareEditorInput.java:255) at org.eclipse.compare.internal.CompareEditor.createCompareControl(CompareEditor.java:449) at org.eclipse.compare.internal.CompareEditor.access$6(CompareEditor.java:416) at org.eclipse.compare.internal.CompareEditor$3.run(CompareEditor.java:372) at org.eclipse.ui.internal.UILockListener.doPendingWork(UILockListener.java:155) at org.eclipse.ui.internal.UISynchronizer$3.run(UISynchronizer.java:158) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:35) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:134) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:3468) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3115) at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java:2405) at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:2369) at org.eclipse.ui.internal.Workbench.access$4(Workbench.java:2221) at org.eclipse.ui.internal.Workbench$5.run(Workbench.java:500) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:493) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:149) at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:113) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:194) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:110) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:79) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:368) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:179) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:37) at java.lang.reflect.Method.invoke(Method.java:599) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:559) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:514) at org.eclipse.equinox.launcher.Main.run(Main.java:1311) Reproducible: Always Steps to Reproduce: 1. I'm unsure how to provide a test case since the models cannot be shared.
Doing a manual diff on the files, here is what I found: [smccants@smccants smccants]$ diff /tmp/old.ecore /tmp/new.ecore 51d50 < So the difference seems to be a blank line.
so you don't have any "logical" difference but only a serialization one ? am I right ?
You are correct.
This has been fixed since EMF Compare 1.1
