Hi Alex,Did you change the query and tried it.Check this thread Issue with oak index selection and ordered properties

This Link will be helpful. I am seeing there is a problem in your Query to Escape.Chapter 27. JCR Query Usecases

Hi gowtham,Could you check that port 4502 and 4503 is block or using by some other application.orCheck your AEM Configuration Apache Felix Jetty Based Http Service. in this check http port in Both AEM Instance.If they are pointing to same port.Change one of the Port.