https://community.cloudera.com/t5/Support-Questions/Null-Pointer-Exception-in-ambari-server-logs-after-ambari/m-p/230537#M192387 <P>Thanks for your indications. I'd say that, in that case, it is a communication issue. But I'd definitively have a look.</P> Tue, 16 May 2017 23:36:14 GMT rafael_gomez_g 2017-05-16T23:36:14Z