java.lang.IllegalArgumentException: Unsupported type: , kind: OTHER at org.netbeans.modules.java.source.usages.ClassFileUtil.encodeType(ClassFileUtil.java:318) at org.netbeans.modules.java.source.usages.ClassFileUtil.createExecutableDescriptor(ClassFileUtil.java:198) at org.netbeans.api.java.source.ElementHandle.createImpl(ElementHandle.java:458) at org.netbeans.api.java.source.ElementHandle.create(ElementHandle.java:397) at org.netbeans.api.java.source.ElementHandle.signatureEquals(ElementHandle.java:368) at org.netbeans.modules.java.navigation.CaretListeningTask.run(CaretListeningTask.java:170) at org.netbeans.modules.java.navigation.CaretListeningTask.run(CaretListeningTask.java:73) at org.netbeans.modules.java.source.JavaSourceAccessor$CancelableTaskWrapper.run(JavaSourceAccessor.java:298) at org.netbeans.modules.parsing.impl.TaskProcessor.callParserResultTask(TaskProcessor.java:584) at org.netbeans.modules.parsing.impl.TaskProcessor$RequestPerformer.run(TaskProcessor.java:809) at org.openide.util.lookup.Lookups.executeWith(Lookups.java:304) at org.netbeans.modules.parsing.impl.TaskProcessor$RequestPerformer.execute(TaskProcessor.java:725) at org.netbeans.modules.parsing.impl.TaskProcessor$CompilationJob.run(TaskProcessor.java:686) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:1425) at org.netbeans.modules.openide.util.GlobalLookup.execute(GlobalLookup.java:68) at org.openide.util.lookup.Lookups.executeWith(Lookups.java:303) at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:2038)