java.lang.AssertionError: Wrong diagnostic handler: com.sun.tools.javac.util.Log$DeferredDiagnosticHandler@68955c7f
   at com.sun.tools.javac.util.Assert.error(Assert.java:133)
   at com.sun.tools.javac.util.Assert.check(Assert.java:94)
   at com.sun.tools.javac.util.Log.popDiagnosticHandler(Log.java:467)
   at com.sun.tools.javac.main.JavaCompiler.resolveIdent(JavaCompiler.java:729)
   at com.sun.tools.javac.model.JavacElements.binaryNameToClassSymbol(JavacElements.java:129)
   at com.sun.tools.javac.model.JavacElements.getTypeElementByBinaryName(JavacElements.java:119)
   at org.netbeans.api.java.source.ElementHandle.getTypeElementByBinaryName(ElementHandle.java:622)
   at org.netbeans.api.java.source.ElementHandle.resolveImpl(ElementHandle.java:160)
   at org.netbeans.api.java.source.ElementHandle.resolve(ElementHandle.java:136)
   at org.netbeans.modules.refactoring.java.RefactoringUtils.getOverridingMethods(RefactoringUtils.java:185)
   at org.netbeans.modules.refactoring.java.api.JavaRefactoringUtils.getOverridingMethods(JavaRefactoringUtils.java:79)
   at org.netbeans.modules.refactoring.java.plugins.RenameRefactoringPlugin$3.run(RenameRefactoringPlugin.java:454)
   at org.netbeans.modules.refactoring.java.plugins.RenameRefactoringPlugin$3.run(RenameRefactoringPlugin.java:420)
   at org.netbeans.api.java.source.JavaSource$MultiTask.run(JavaSource.java:493)
   at org.netbeans.modules.parsing.impl.TaskProcessor.callUserTask(TaskProcessor.java:593)
   at org.netbeans.modules.parsing.api.ParserManager$UserTaskAction.run(ParserManager.java:155)
   at org.netbeans.modules.parsing.api.ParserManager$UserTaskAction.run(ParserManager.java:139)
   at org.netbeans.modules.parsing.impl.TaskProcessor$2.call(TaskProcessor.java:206)
   at org.netbeans.modules.parsing.impl.TaskProcessor$2.call(TaskProcessor.java:203)
   at org.netbeans.modules.masterfs.filebasedfs.utils.FileChangedManager.priorityIO(FileChangedManager.java:176)
   at org.netbeans.modules.masterfs.providers.ProvidedExtensions.priorityIO(ProvidedExtensions.java:360)
   at org.netbeans.modules.parsing.impl.Utilities.runPriorityIO(Utilities.java:74)
   at org.netbeans.modules.parsing.impl.TaskProcessor.runUserTask(TaskProcessor.java:203)
   at org.netbeans.modules.parsing.api.ParserManager.parse(ParserManager.java:106)
   at org.netbeans.api.java.source.JavaSource.runUserActionTaskImpl(JavaSource.java:443)
   at org.netbeans.api.java.source.JavaSource.runUserActionTask(JavaSource.java:414)
   at org.netbeans.modules.refactoring.java.plugins.RenameRefactoringPlugin.getRelevantFiles(RenameRefactoringPlugin.java:420)
   at org.netbeans.modules.refactoring.java.plugins.RenameRefactoringPlugin.prepare(RenameRefactoringPlugin.java:628)
   at org.netbeans.modules.refactoring.api.AbstractRefactoring.pluginsPrepare2(AbstractRefactoring.java:437)
   at org.netbeans.modules.refactoring.api.AbstractRefactoring.pluginsPrepare(AbstractRefactoring.java:421)
   at org.netbeans.modules.refactoring.api.AbstractRefactoring.prepare(AbstractRefactoring.java:232)
   at org.netbeans.modules.refactoring.spi.impl.ParametersPanel$Prepare.run(ParametersPanel.java:1026)
   at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:1423)
   at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:2033)