java.lang.IllegalArgumentException: ()java.lang.String at com.sun.tools.javac.model.JavacTypes.validateTypeNotIn(JavacTypes.java:295) at com.sun.tools.javac.model.JavacTypes.isAssignable(JavacTypes.java:105) at org.netbeans.modules.editor.java.Utilities.resolveMethod(Utilities.java:1049) at org.netbeans.modules.editor.java.Utilities.fuzzyResolveMethodInvocation(Utilities.java:977) at org.netbeans.modules.java.hints.errors.AddCast.computeType(AddCast.java:135) at org.netbeans.modules.java.hints.errors.AddCast.run(AddCast.java:226) 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)