java.lang.AssertionError: AsyncCompletionTask: query=org.netbeans.modules.javafx2.editor.FXMLCompletion2$Q@242ab94a: query.query(): Result set not finished by resultSet.finish()
   at org.netbeans.spi.editor.completion.support.AsyncCompletionTask.run(AsyncCompletionTask.java:225)
   at org.openide.util.RequestProcessor$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$Processor.run(RequestProcessor.java:2058)
Caused: org.openide.util.RequestProcessor$FastItem: task failed due to: java.lang.AssertionError: AsyncCompletionTask: query=org.netbeans.modules.javafx2.editor.FXMLCompletion2$Q@242ab94a: query.query(): Result set not finished by resultSet.finish()