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Using 0611 build, I got this error: Java Model Exception: Java Model Status [jdt-core-home does not exist.] at java.lang.Throwable.<init>(Throwable.java) at java.lang.Throwable.<init>(Throwable.java) at org.eclipse.core.runtime.CoreException.<init>(CoreException.java) at org.eclipse.jdt.core.JavaModelException.<init>(JavaModelException.java) at org.eclipse.jdt.internal.core.JavaElement.newNotPresentException(JavaElement.java) at org.eclipse.jdt.internal.core.JavaModelManager.getPerProjectInfoCheckExistence(JavaModelManager.java) at org.eclipse.jdt.internal.core.JavaProject.getResolvedClasspath(JavaProject.java) at org.eclipse.jdt.internal.core.JavaProject.generateInfos(JavaProject.java) at org.eclipse.jdt.internal.core.Openable.buildStructure(Openable.java) at org.eclipse.jdt.internal.core.Openable.openWhenClosed(Openable.java) at org.eclipse.jdt.internal.core.JavaProject.openWhenClosed(JavaProject.java:1872) at org.eclipse.jdt.internal.core.JavaElement.openHierarchy(JavaElement.java) at org.eclipse.jdt.internal.core.JavaElement.getElementInfo(JavaElement.java) at org.eclipse.jdt.internal.core.JavaProject.getJavaProjectElementInfo(JavaProject.java:1117) at org.eclipse.jdt.internal.core.JavaProject.getNameLookup(JavaProject.java:1125) at org.eclipse.jdt.internal.core.Openable.codeSelect(Openable.java:132) at org.eclipse.jdt.internal.core.CompilationUnit.codeSelect(CompilationUnit.java:98) at org.eclipse.jdt.internal.ui.actions.SelectionConverter.codeResolve(SelectionConverter.java:213) at org.eclipse.jdt.internal.ui.actions.SelectionConverter.codeResolve(SelectionConverter.java:150) at org.eclipse.jdt.internal.ui.actions.SelectionConverter.codeResolve(SelectionConverter.java:159) at org.eclipse.jdt.ui.actions.OpenAction.run(OpenAction.java:122) at org.eclipse.jdt.ui.actions.SelectionDispatchAction.dispatchRun(SelectionDispatchAction.java:193) at org.eclipse.jdt.ui.actions.SelectionDispatchAction.run(SelectionDispatchAction.java:169) at org.eclipse.jface.action.Action.runWithEvent(Action.java:842) at org.eclipse.ui.internal.WWinKeyBindingService.pressed(WWinKeyBindingService.java:214) at org.eclipse.ui.internal.WWinKeyBindingService$5.widgetSelected(WWinKeyBindingService.java:332) at org.eclipse.ui.internal.AcceleratorMenu$2.handleEvent(AcceleratorMenu.java:68) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java) at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java) at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java:1399) at org.eclipse.ui.internal.Workbench.run(Workbench.java:1382) When I tried to open on selection inside a java editor located in a simple project. STEPS TO REPRODUCE: 1) Load the HEAD of the project jdt-core-home from dev.eclipse.org. 2) Go to howto/generate parser 3) Open UpdateParserFiles.java 4) Select Parser in Parser.buildFilesFromLPG(args[0]); and press F3. You should get the same error. I would expect either the code not to do anything , because this is not a java project.
I think the bug comes from the fact that the file is considered as a compilation unit and it should not. The project in which the file is located is NOT a Java project. How can this file be seen as a compilation unit?
See bug 38873 for the discussion.
Fixed for M9.
