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After upgrading to Galileo, when I try to open an object's declaration I (sometimes) get the following pop up error: Problems opening an editor org.eclipse.jdt.internal.core.CompilationUnit cannot be cast to org.eclipse.ajdt.core.javaelements.AJCompilationUnit the problem log shows this: eclipse.buildId=I20090611-1540 java.version=1.6.0_14 java.vendor=Sun Microsystems Inc. BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US Framework arguments: -product org.eclipse.epp.package.java.product Command-line arguments: -os linux -ws gtk -arch x86_64 -product org.eclipse.epp.package.java.product Error Thu Aug 20 16:34:34 CDT 2009 Internal Error java.lang.reflect.InvocationTargetException at org.eclipse.jface.operation.ModalContext.run(ModalContext.ja va:421) at org.eclipse.jface.dialogs.ProgressMonitorDialog.run(Progress MonitorDialog.java:507) at org.eclipse.ui.internal.progress.ProgressMonitorJobsDialog.r un(ProgressMonitorJobsDialog.java:275) at org.eclipse.ui.internal.progress.ProgressManager$4.run(Progr essManager.java:966) at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator .java:70) at org.eclipse.ui.internal.progress.ProgressManager.busyCursorW hile(ProgressManager.java:1001) at org.eclipse.ui.internal.progress.ProgressManager.busyCursorW hile(ProgressManager.java:976) at org.eclipse.jdt.internal.ui.actions.SelectionConverter.perfo rmForkedCodeResolve(SelectionConverter.java:247) at org.eclipse.jdt.internal.ui.actions.SelectionConverter.codeR esolveForked(SelectionConverter.java:163) at org.eclipse.jdt.ui.actions.OpenAction.run(OpenAction.java:14 2) at org.eclipse.jdt.ui.actions.SelectionDispatchAction.dispatchR un(SelectionDispatchAction.java:278) at org.eclipse.jdt.ui.actions.SelectionDispatchAction.run(Selec tionDispatchAction.java:250) at org.eclipse.jface.action.Action.runWithEvent(Action.java:498 ) at org.eclipse.ui.commands.ActionHandler.execute(ActionHandler. java:185) at org.eclipse.ui.internal.handlers.LegacyHandlerWrapper.execut e(LegacyHandlerWrapper.java:109) at org.eclipse.core.commands.Command.executeWithChecks(Command. java:476) at org.eclipse.core.commands.ParameterizedCommand.executeWithCh ecks(ParameterizedCommand.java:508) at org.eclipse.ui.internal.handlers.HandlerService.executeComma nd(HandlerService.java:169) at org.eclipse.ui.internal.keys.WorkbenchKeyboard.executeComman d(WorkbenchKeyboard.java:470) at org.eclipse.ui.internal.keys.WorkbenchKeyboard.press(Workben chKeyboard.java:824) at org.eclipse.ui.internal.keys.WorkbenchKeyboard.processKeyEve nt(WorkbenchKeyboard.java:880) at org.eclipse.ui.internal.keys.WorkbenchKeyboard.filterKeySequ enceBindings(WorkbenchKeyboard.java:569) at org.eclipse.ui.internal.keys.WorkbenchKeyboard.access$3(Work benchKeyboard.java:510) at org.eclipse.ui.internal.keys.WorkbenchKeyboard$KeyDownFilter .handleEvent(WorkbenchKeyboard.java:125) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java :84) at org.eclipse.swt.widgets.Display.filterEvent(Display.java:146 7) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1175) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1200) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1185) at org.eclipse.swt.widgets.Widget.sendKeyEvent(Widget.java:1212 ) at org.eclipse.swt.widgets.Widget.gtk_key_press_event(Widget.ja va:706) at org.eclipse.swt.widgets.Control.gtk_key_press_event(Control. java:2837) at org.eclipse.swt.widgets.Composite.gtk_key_press_event(Compos ite.java:703) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:1570) at org.eclipse.swt.widgets.Control.windowProc(Control.java:4586 ) at org.eclipse.swt.widgets.Display.windowProc(Display.java:4191 ) at org.eclipse.swt.internal.gtk.OS._gtk_main_do_event(Native Method) at org.eclipse.swt.internal.gtk.OS.gtk_main_do_event(OS.java:75 86) at org.eclipse.swt.widgets.Display.eventProc(Display.java:1185) at org.eclipse.swt.internal.gtk.OS._g_main_context_iteration(Na tive Method) at org.eclipse.swt.internal.gtk.OS.g_main_context_iteration(OS. java:1858) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java :3110) at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.jav a:2405) at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:2369) at org.eclipse.ui.internal.Workbench.access$4(Workbench.java:22 21) 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(Work bench.java:493) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.j ava:149) at org.eclipse.ui.internal.ide.application.IDEApplication.start (IDEApplication.java:113) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(Eclips eAppHandle.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(EclipseS tarter.java:368) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseS tarter.java:179) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAcce ssorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMe thodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:597) 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) at org.eclipse.equinox.launcher.Main.main(Main.java:1287) Caused by: java.lang.ClassCastException: org.eclipse.jdt.internal.core.CompilationUnit cannot be cast to org.eclipse.ajdt.core.javaelements.AJCompilationUnit at org.eclipse.ajdt.core.codeconversion.ITDAwareNameEnvironment .find(ITDAwareNameEnvironment.java:84) at org.eclipse.jdt.internal.core.SearchableEnvironment.findType (SearchableEnvironment.java:286) at org.eclipse.jdt.internal.core.CancelableNameEnvironment.find Type(CancelableNameEnvironment.java:45) at org.eclipse.jdt.internal.compiler.lookup.LookupEnvironment.a skForType(LookupEnvironment.java:127) at org.eclipse.jdt.internal.compiler.lookup.PackageBinding.getT ype(PackageBinding.java:127) at org.eclipse.jdt.internal.compiler.lookup.PackageBinding.isVi ewedAsDeprecated(PackageBinding.java:211) at org.eclipse.jdt.internal.compiler.lookup.ReferenceBinding.is ViewedAsDeprecated(ReferenceBinding.java:1199) at org.eclipse.jdt.internal.compiler.ast.ASTNode.isTypeUseDepre cated(ASTNode.java:467) at org.eclipse.jdt.internal.compiler.lookup.CompilationUnitScop e.faultInImports(CompilationUnitScope.java:393) at org.eclipse.jdt.internal.compiler.lookup.CompilationUnitScop e.faultInTypes(CompilationUnitScope.java:444) at org.eclipse.jdt.internal.codeassist.SelectionEngine.select(S electionEngine.java:909) at org.eclipse.jdt.internal.core.Openable.codeSelect(Openable.j ava:162) at org.eclipse.jdt.internal.core.CompilationUnit.codeSelect(Com pilationUnit.java:375) at org.eclipse.jdt.internal.core.CompilationUnit.codeSelect_aro undBody0(CompilationUnit.java:369) at org.eclipse.jdt.internal.core.CompilationUnit$AjcClosure1.ru n(CompilationUnit.java:1) at org.eclipse.contribution.jdt.itdawareness.ITDAwarenessAspect .ajc$around$org_eclipse_contribution_jdt_itdawareness_ITDAwa renessAspect$6$3f3ffce8proceed(ITDAwarenessAspect.aj:1) at org.eclipse.contribution.jdt.itdawareness.ITDAwarenessAspect .ajc$around$org_eclipse_contribution_jdt_itdawareness_ITDAwa renessAspect$6$3f3ffce8(ITDAwarenessAspect.aj:296) at org.eclipse.jdt.internal.core.CompilationUnit.codeSelect(Com pilationUnit.java:369) at org.eclipse.jdt.internal.ui.actions.SelectionConverter.codeR esolve(SelectionConverter.java:256) at org.eclipse.jdt.internal.ui.actions.SelectionConverter$1$Cod eResolveRunnable.run(SelectionConverter.java:240) at org.eclipse.jface.operation.ModalContext$ModalContextThread. run(ModalContext.java:121) The project uses AspectJ and Maven. Here are the plugins versions: Maven integration for eclipse: 0.9.8.200905041414 AspectJ Development tools: 2.0.0.e35x-20090624-1600 AspectJ version: 1.6.5.20090618034232 I'm running ubuntu 9.04 There are other errors on the log that may be related (different message, similar stacktrace), I will post them if you think they are needed. The error seems to be associated with the origin point (if Class A is 'cursed' and Class B isn't, then I can open Class C's declaration from B, but I can't from A) One reason I'm hesitant to post this as a bug is that Other coworkers have the same project and a similar setup and they can't reproduce the problem.
It sounds like this is a different error than that described in Bug 283468, but the fix for that code touched the same code that is giving you the exception. Please upgrade to the latest dev version and see if this fixes your problem. If not, then there are a few other things we can try.
That seemed to fix it, Thanks for the help. I guess you can close it now
Fixed.
btw- I'd recommend that you upgrade again because I just put out a build that fixes a content assist bug from the previous dev build.
(In reply to comment #4) > btw- I'd recommend that you upgrade again because I just put out a build that > fixes a content assist bug from the previous dev build. > thanks for the heads up. I actually noticed the problems with the content assist and was considering filling a bug report about it :) Santi.
