java.lang.IllegalArgumentException: ?
   at com.sun.tools.javac.model.JavacTypes.getArrayType(JavacTypes.java:195)
   at org.netbeans.modules.java.hints.errors.Utilities.resolveCapturedTypeInt(Utilities.java:650)
   at org.netbeans.modules.java.hints.errors.Utilities.resolveCapturedType(Utilities.java:562)
   at org.netbeans.modules.java.hints.errors.Utilities.resolveTypeForDeclaration(Utilities.java:543)
   at org.netbeans.modules.java.hints.errors.CreateElement.analyzeImpl(CreateElement.java:379)
   at org.netbeans.modules.java.hints.errors.CreateElement.analyze(CreateElement.java:150)
   at org.netbeans.modules.java.hints.errors.CreateElement.run(CreateElement.java:135)
   at org.netbeans.modules.java.hints.infrastructure.CreatorBasedLazyFixList.compute(CreatorBasedLazyFixList.java:148)
   at org.netbeans.modules.java.hints.infrastructure.LazyHintComputation.run(LazyHintComputation.java:112)
   at org.netbeans.modules.java.hints.infrastructure.LazyHintComputation.run(LazyHintComputation.java:58)
   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:1443)
   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:2058)