@Lokesh Mukku Good to know it has given you a better understanding. If you found this answer addressed your question, please take a moment to log in and click the "accept" link on the answer. That would be a great help to Community users to find the solution quickly for these kinds of errors. Happy hadooping !!!!! ... View more

@Lokesh Mukku Means Ranger DB test connection passed however Ranger Admin component could not come up hence the Curl Call to http://nn.hadoop.com:6080/login.jsp URL is failing. So please check the Ranger Admin logs to find any error. ... View more

cleared certification ,Thanks .. ... View more

@Lokesh Mukku Is there any specific reason hat you are planning to use ambari 2.4.x, Which is too old. The current ambari release is "2.6.1.5". Which has lot many bug fixex as well as many enhancements. Also as mentioned in my previous update that the error that you are getting is because of the BUG AMBARI-19246 so have you applied the workaround? Are you getting a new error ? ... View more