java.lang.ClassCastException: com.sun.tools.javac.code.Symbol$TypeSymbol cannot be cast to javax.lang.model.element.TypeElement
   at org.netbeans.modules.java.editor.ext.fold.ClosureCodeCompletion.evalType(ClosureCodeCompletion.java:196)
   at org.netbeans.modules.java.editor.ext.fold.ClosureCodeCompletion.computeItems(ClosureCodeCompletion.java:253)
   at org.netbeans.modules.java.editor.ext.fold.ClosureCodeCompletion$1.run(ClosureCodeCompletion.java:126)
   at org.netbeans.modules.java.editor.ext.fold.ClosureCodeCompletion$1.run(ClosureCodeCompletion.java:122)
   at org.netbeans.api.java.source.JavaSource$MultiTask.run(JavaSource.java:482)
   at org.netbeans.modules.parsing.api.ParserManager$UserTaskAction.run(ParserManager.java:154)
   at org.netbeans.modules.parsing.api.ParserManager$UserTaskAction.run(ParserManager.java:138)
   at org.netbeans.modules.parsing.impl.TaskProcessor$1.call(TaskProcessor.java:201)
   at org.netbeans.modules.parsing.impl.TaskProcessor$1.call(TaskProcessor.java:198)
   at org.netbeans.modules.masterfs.filebasedfs.utils.FileChangedManager.priorityIO(FileChangedManager.java:167)
   at org.netbeans.modules.masterfs.providers.ProvidedExtensions.priorityIO(ProvidedExtensions.java:323)
   at org.netbeans.modules.parsing.impl.Utilities.runPriorityIO(Utilities.java:66)
   at org.netbeans.modules.parsing.impl.TaskProcessor.runUserTask(TaskProcessor.java:198)
   at org.netbeans.modules.parsing.api.ParserManager.parse(ParserManager.java:106)
   at org.netbeans.api.java.source.JavaSource.runUserActionTaskImpl(JavaSource.java:432)
   at org.netbeans.api.java.source.JavaSource.runUserActionTask(JavaSource.java:403)
   at org.netbeans.modules.java.editor.ext.fold.ClosureCodeCompletion.query(ClosureCodeCompletion.java:122)
   at org.netbeans.spi.editor.completion.support.AsyncCompletionTask.run(AsyncCompletionTask.java:223)
   at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:1424)
   at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:1968)
Caused: org.openide.util.RequestProcessor$FastItem: task failed due to: java.lang.ClassCastException: com.sun.tools.javac.code.Symbol$TypeSymbol cannot be cast to javax.lang.model.element.TypeElement