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Created attachment 91926 [details] PI used in to reproduce this defect Build ID: 3.2.2 Steps To Reproduce: This defect happens in [the IBM Product Based on Eclispe] - please contact me for details. 1. Import supplied PI file (import SlotMachine_v2 module only) 2. Open Physical Resources view 3. Expand SlotMachine_v2-->brg and double-click to open PayOutBR.class file More information: Defect Description: The editor opens but it displays big Error icon and the following message: "Unable to create this part due to an internal error. Reason for the failure: operation not supported for specified element type(s): <project root> [in SlotMachine_v2]". There is [Details >>] button available. Clicking it shows the following exception (which is also loggend in Error Log): Java Model Exception: Java Model Status [Operation not supported for specified element type(s):<project root> [in SlotMachine_v2]] at org.eclipse.jdt.internal.core.ClassFile.getBuffer(Unknown Source) at org.eclipse.jdt.internal.core.ClassFile.getSourceRange(Unknown Source) at org.eclipse.jdt.internal.ui.javaeditor.ClassFileEditor.probeInputForSource(Unknown Source) at org.eclipse.jdt.internal.ui.javaeditor.ClassFileEditor.doSetInput(Unknown Source) at org.eclipse.ui.texteditor.AbstractTextEditor$17.run(Unknown Source) at org.eclipse.jface.operation.ModalContext.runInCurrentThread(Unknown Source) at org.eclipse.jface.operation.ModalContext.run(Unknown Source) at org.eclipse.jface.window.ApplicationWindow$1.run(Unknown Source) at org.eclipse.swt.custom.BusyIndicator.showWhile(Unknown Source) at org.eclipse.jface.window.ApplicationWindow.run(Unknown Source) at org.eclipse.ui.internal.WorkbenchWindow.run(Unknown Source) at org.eclipse.ui.texteditor.AbstractTextEditor.internalInit(Unknown Source) at org.eclipse.ui.texteditor.AbstractTextEditor.init(Unknown Source) at org.eclipse.ui.internal.EditorManager.createSite(Unknown Source) at org.eclipse.ui.internal.EditorReference.createPartHelper(Unknown Source) at org.eclipse.ui.internal.EditorReference.createPart(Unknown Source) at org.eclipse.ui.internal.WorkbenchPartReference.getPart(Unknown Source) at org.eclipse.ui.internal.PartPane.setVisible(Unknown Source) at org.eclipse.ui.internal.presentations.PresentablePart.setVisible(Unknown Source) at org.eclipse.ui.internal.presentations.util.PresentablePartFolder.select(Unknown Source) at org.eclipse.ui.internal.presentations.util.LeftToRightTabOrder.select(Unknown Source) at org.eclipse.ui.internal.presentations.util.TabbedStackPresentation.selectPart(Unknown Source) at org.eclipse.ui.internal.PartStack.refreshPresentationSelection(Unknown Source) at org.eclipse.ui.internal.PartStack.setSelection(Unknown Source) at org.eclipse.ui.internal.PartStack.showPart(Unknown Source) at org.eclipse.ui.internal.PartStack.add(Unknown Source) at org.eclipse.ui.internal.EditorStack.add(Unknown Source) at org.eclipse.ui.internal.PartStack.add(Unknown Source) at org.eclipse.ui.internal.EditorStack.add(Unknown Source) at org.eclipse.ui.internal.EditorSashContainer.addEditor(Unknown Source) at org.eclipse.ui.internal.EditorAreaHelper.addToLayout(Unknown Source) at org.eclipse.ui.internal.EditorAreaHelper.addEditor(Unknown Source) at org.eclipse.ui.internal.EditorManager.createEditorTab(Unknown Source) at org.eclipse.ui.internal.EditorManager.openEditorFromDescriptor(Unknown Source) at org.eclipse.ui.internal.EditorManager.openEditor(Unknown Source) at org.eclipse.ui.internal.WorkbenchPage.busyOpenEditorBatched(Unknown Source) at org.eclipse.ui.internal.WorkbenchPage.busyOpenEditor(Unknown Source) at org.eclipse.ui.internal.WorkbenchPage.access$10(Unknown Source) at org.eclipse.ui.internal.WorkbenchPage$9.run(Unknown Source) at org.eclipse.swt.custom.BusyIndicator.showWhile(Unknown Source) at org.eclipse.ui.internal.WorkbenchPage.openEditor(Unknown Source) at org.eclipse.ui.internal.WorkbenchPage.openEditor(Unknown Source) at org.eclipse.ui.ide.IDE.openEditor(Unknown Source) at org.eclipse.ui.ide.IDE.openEditor(Unknown Source) at org.eclipse.jdt.internal.ui.javaeditor.EditorUtility.openInEditor(Unknown Source) at org.eclipse.jdt.internal.ui.javaeditor.EditorUtility.openInEditor(Unknown Source) at org.eclipse.jdt.internal.ui.actions.OpenActionUtil.open(Unknown Source) at org.eclipse.jdt.ui.actions.OpenAction.run(Unknown Source) at org.eclipse.jdt.ui.actions.OpenAction.run(Unknown Source) at org.eclipse.jdt.ui.actions.SelectionDispatchAction.dispatchRun(Unknown Source) at org.eclipse.jdt.ui.actions.SelectionDispatchAction.run(Unknown Source) at org.eclipse.jdt.internal.ui.navigator.OpenAndExpand.run(Unknown Source) at org.eclipse.ui.actions.RetargetAction.run(Unknown Source) at [1 line hidden - pelase ask me for details] at org.eclipse.jface.viewers.StructuredViewer$2.run(Unknown Source) at org.eclipse.core.runtime.SafeRunner.run(Unknown Source) at org.eclipse.core.runtime.Platform.run(Unknown Source) at org.eclipse.ui.internal.JFaceUtil$1.run(Unknown Source) at org.eclipse.jface.util.SafeRunnable.run(Unknown Source) at org.eclipse.jface.viewers.StructuredViewer.fireOpen(Unknown Source) at org.eclipse.jface.viewers.StructuredViewer.handleOpen(Unknown Source) at org.eclipse.ui.navigator.CommonViewer.handleOpen(Unknown Source) at org.eclipse.jface.viewers.StructuredViewer$6.handleOpen(Unknown Source) at org.eclipse.jface.util.OpenStrategy.fireOpenEvent(Unknown Source) at org.eclipse.jface.util.OpenStrategy.access$2(Unknown Source) at org.eclipse.jface.util.OpenStrategy$1.handleEvent(Unknown Source) at org.eclipse.swt.widgets.EventTable.sendEvent(Unknown Source) at org.eclipse.swt.widgets.Widget.sendEvent(Unknown Source) at org.eclipse.swt.widgets.Display.runDeferredEvents(Unknown Source) at org.eclipse.swt.widgets.Display.readAndDispatch(Unknown Source) at org.eclipse.ui.internal.Workbench.runEventLoop(Unknown Source) at org.eclipse.ui.internal.Workbench.runUI(Unknown Source) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Unknown Source) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(Unknown Source) at org.eclipse.ui.internal.ide.IDEApplication.run(Unknown Source) at org.eclipse.core.internal.runtime.PlatformActivator$1.run(Unknown Source) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(Unknown Source) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(Unknown Source) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(Unknown Source) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(Unknown Source) 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(Unknown Source) at org.eclipse.core.launcher.Main.basicRun(Unknown Source) at org.eclipse.core.launcher.Main.run(Unknown Source) at org.eclipse.core.launcher.Main.main(Unknown Source) This is the note sent by one of our developers: "I imported the PI and saw the same behaviour. I also tried opening that file from the base resource navigator, and I saw the same behaviour. So, I'm concluding this is not specific to [the IBM Product Based on Eclipse]. The stack trace also suggests that behaviour is being caused by JDT. Note that you are opening the .class file and not the .java. I can open the .java file for that class without issue."
Unfortunately I don't have access to the builder referenced by these projects and thus the .class file doesn't exist. Can you please attach a project with the .class file that has been generated?
Actually I was able to reproduce using a plain Eclipse SDk following these steps: 1. Start a new workspace 2. Create a Java project using the project as a source folder 3. New > Class > X > OK 4. Uncheck Project > Build automatically 5. Open Navigator view 6. Delete X.java 7. Double-click X.class to open it in an editor Observe: You get the exception reported above
Created attachment 94997 [details] Proposed fix and regression test
Fix and test released for 3.4M7. Please let me know if this fix needs to be backported to a maintenance stream.
Verified for 3.4 M7 using build I20080427-2000 (and the steps of comment #2).
