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Attempting to view the following annotation in the class file editor import java.lang.annotation.Retention; import java.lang.annotation.RetentionPolicy; import java.lang.annotation.Target; @Target(value={}) @Retention(value=RetentionPolicy.RUNTIME) public @interface NoTarget { } results in an empty editor and the attached exception. The problem goes away when the @Target annotation is removed. org.eclipse.jdt.core.util.ClassFormatException at org.eclipse.jdt.internal.core.util.Annotation.<init>(Annotation.java:55) at org.eclipse.jdt.internal.core.util.RuntimeVisibleAnnotationsAttribute.<init>(RuntimeVisibleAnnotationsAttribute.java:48) at org.eclipse.jdt.internal.core.util.ClassFileReader.<init>(ClassFileReader.java:261) at org.eclipse.jdt.internal.core.util.Disassembler.disassemble(Disassembler.java:290) at org.eclipse.jdt.internal.ui.javaeditor.ClassFileEditor$SourceAttachmentForm.updateCodeView(ClassFileEditor.java:403) at org.eclipse.jdt.internal.ui.javaeditor.ClassFileEditor$SourceAttachmentForm.createControl(ClassFileEditor.java:207) at org.eclipse.jdt.internal.ui.javaeditor.ClassFileEditor.verifyInput(ClassFileEditor.java:764) at org.eclipse.jdt.internal.ui.javaeditor.ClassFileEditor.createPartControl(ClassFileEditor.java:714) at org.eclipse.ui.internal.EditorReference.createPartHelper(EditorReference.java:661) at org.eclipse.ui.internal.EditorReference.createPart(EditorReference.java:426) at org.eclipse.ui.internal.WorkbenchPartReference.getPart(WorkbenchPartReference.java:592) at org.eclipse.ui.internal.EditorReference.getEditor(EditorReference.java:263) at org.eclipse.ui.internal.WorkbenchPage.busyOpenEditorBatched(WorkbenchPage.java:2721) at org.eclipse.ui.internal.WorkbenchPage.busyOpenEditor(WorkbenchPage.java:2633) at org.eclipse.ui.internal.WorkbenchPage.access$12(WorkbenchPage.java:2625) at org.eclipse.ui.internal.WorkbenchPage$10.run(WorkbenchPage.java:2577) at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:67) at org.eclipse.ui.internal.WorkbenchPage.openEditor(WorkbenchPage.java:2572) at org.eclipse.ui.internal.WorkbenchPage.openEditor(WorkbenchPage.java:2556) at org.eclipse.ui.internal.WorkbenchPage.openEditor(WorkbenchPage.java:2547) at org.eclipse.jdt.internal.ui.javaeditor.EditorUtility.openInEditor(EditorUtility.java:298) at org.eclipse.jdt.internal.ui.javaeditor.EditorUtility.openInEditor(EditorUtility.java:172) at org.eclipse.jdt.ui.actions.OpenAction.run(OpenAction.java:194) at org.eclipse.jdt.ui.actions.OpenAction.run(OpenAction.java:175) at org.eclipse.jdt.ui.actions.SelectionDispatchAction.dispatchRun(SelectionDispatchAction.java:268) at org.eclipse.jdt.ui.actions.SelectionDispatchAction.run(SelectionDispatchAction.java:244) at org.eclipse.jdt.internal.ui.navigator.OpenAndExpand.run(OpenAndExpand.java:50) at org.eclipse.ui.actions.RetargetAction.run(RetargetAction.java:220) at org.eclipse.ui.internal.navigator.CommonNavigatorManager$3.open(CommonNavigatorManager.java:183) at org.eclipse.jface.viewers.StructuredViewer$2.run(StructuredViewer.java:820) at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:37) at org.eclipse.core.runtime.Platform.run(Platform.java:857) at org.eclipse.ui.internal.JFaceUtil$1.run(JFaceUtil.java:46) at org.eclipse.jface.util.SafeRunnable.run(SafeRunnable.java:193) at org.eclipse.jface.viewers.StructuredViewer.fireOpen(StructuredViewer.java:818) at org.eclipse.jface.viewers.StructuredViewer.handleOpen(StructuredViewer.java:1079) at org.eclipse.ui.navigator.CommonViewer.handleOpen(CommonViewer.java:353) at org.eclipse.jface.viewers.StructuredViewer$6.handleOpen(StructuredViewer.java:1183) at org.eclipse.jface.util.OpenStrategy.fireOpenEvent(OpenStrategy.java:263) at org.eclipse.jface.util.OpenStrategy.access$2(OpenStrategy.java:257) at org.eclipse.jface.util.OpenStrategy$1.handleEvent(OpenStrategy.java:297) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:66) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:938) at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:3708) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3319) at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java:2389) at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:2353) at org.eclipse.ui.internal.Workbench.access$4(Workbench.java:2219) at org.eclipse.ui.internal.Workbench$4.run(Workbench.java:466) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:289) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:461) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:149) at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:106) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:169) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:106) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:76) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:363) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:176) 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.equinox.launcher.Main.invokeFramework(Main.java:508) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:447) at org.eclipse.equinox.launcher.Main.run(Main.java:1173)
Created attachment 78546 [details] Proposed fix Fix is trivial.
Jérôme, I would fix this for 3.4M2 since it appears in the Class file viewer. The fix is trivial.
+1 for 3.4M2
Released for 3.4M2. Regression test added in org.eclipse.jdt.core.tests.compiler.regression.ClassFileReaderTest_1_5#test011
Verified for 3.4M2 using build I20070918-0010
