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Version: 4.2.0 Build id: I20120131-2200 I got the following exception while debugging. Let me see if I can provide steps to reproduce as well. ------------------------------------------------------------------------------- Exception processing async thread queue java.lang.ClassCastException: org.eclipse.jdt.internal.debug.core.model.JDIClassType incompatible with org.eclipse.jdt.debug.core.IJavaValue at org.eclipse.jdt.internal.debug.eval.ast.instructions.Instruction.popValue(Instruction.java:113) at org.eclipse.jdt.internal.debug.eval.ast.instructions.PushFieldVariable.execute(PushFieldVariable.java:50) at org.eclipse.jdt.internal.debug.eval.ast.engine.Interpreter.execute(Interpreter.java:66) at org.eclipse.jdt.internal.debug.eval.ast.engine.ASTEvaluationEngine$EvalRunnable$1EvaluationRunnable.run(ASTEvaluationEngine.java:685) at org.eclipse.jdt.internal.debug.core.model.JDIThread.runEvaluation(JDIThread.java:764) at org.eclipse.jdt.internal.debug.eval.ast.engine.ASTEvaluationEngine$EvalRunnable.run(ASTEvaluationEngine.java:735) at org.eclipse.jdt.internal.debug.core.model.JDIThread$ThreadJob.run(JDIThread.java:3157) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:54) -------------------------------------------------------------------------------
Can you paste the snippet you were trying to evaluate?
Now I cannot reproduce this with I20120207-2200. Did it get fixed last week?
(In reply to comment #2) > Now I cannot reproduce this with I20120207-2200. Did it get fixed last week? No. still waiting on that snippet :)
The thing is now I cannot reproduce the problem even with I20120131-2200. In any case I will try to describe the problem as I remember, maybe you get a clue.. 1. Create a 'Plug-in' project (not a Java project) 2. Create a type package p; class A { void foo() { String s = "abc"; } } 3. Source > Externalize Strings (..and follow the steps in the wizard) 4. Breakpoint at org.eclipse.jdt.internal.ui.propertiesfileeditor.PropertiesFileEditor Line 311 - return accessorType; 5. Open the Properties file created in step 3 => the debugger will stop at the breakpoint 6. Step Over => Exception I was essentially following these steps last week, but for some reason I do not see an exception today. Maybe something (else) went wrong in my previous debugger session?
Ha! can reproduce now even with I20120207-2200. 1. Breakpoint at org.eclipse.jdt.internal.ui.propertiesfileeditor.PropertiesFileEditor Line 308 - private IType findAccessorType(IProgressMonitor pm) ... 2. Add 'fIsStateValidationEnabled' as a watch expression. This is a private field in a supertype of PropertiesFileEditor, see org.eclipse.ui.texteditor.AbstractTextEditor.fIsStateValidationEnabled. 3. Open any properties file => Breakpoint from step 1 is reached => Exception => Expressions view shows the value of 'fIsStateValidationEnabled' as "(pending)"
*** This bug has been marked as a duplicate of bug 282974 ***
