java.lang.ClassCastException: org.netbeans.jmi.javamodel.Array$Impl
        at org.netbeans.modules.editor.java.JMIUtils.findFeatures(JMIUtils.java:811)
        at org.netbeans.modules.editor.java.JMIUtils.findFeatures(JMIUtils.java:392)
        at org.netbeans.modules.editor.java.NbJavaJMICompletionQuery$Context.findFieldsMethodsAndInnerClasses(NbJavaJMICompletionQuery.java:1003)
        at org.netbeans.modules.editor.java.NbJavaJMICompletionQuery$Context.resolveExp(NbJavaJMICompletionQuery.java:252)
        at org.netbeans.modules.editor.java.NbJavaJMICompletionQuery.getResult(NbJavaJMICompletionQuery.java:56)
        at org.netbeans.editor.ext.java.JavaCompletionQuery.query(JavaCompletionQuery.java:146)
        at org.netbeans.editor.ext.java.JavaCompletionQuery.query(JavaCompletionQuery.java:79)
        at org.netbeans.editor.ext.Completion.performQuery(Completion.java:589)
        at org.netbeans.editor.ext.Completion.access$700(Completion.java:47)
        at org.netbeans.editor.ext.Completion$1QueryTask.run(Completion.java:515)
        at org.openide.util.Task.run(Task.java:189)
        at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:330)
        at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:721)