https://community.cloudera.com/t5/Support-Questions/Nifi-Bootstrap-listener-listening-some-other-ports-After/m-p/183857#M146015 <P>i am running NiFi on ambari server, at the starting time i am getting this error. As per your response, which file port or what to be changed in system. Bcz i did not understand your answer. And in my /etc/hosts i configured 4 host server ip with FQDN I am running NiFi only one Host and so how it can communicate to another process(main application) where to find out second NiFi process in ambari. I downloaded NiFi-1.6.0 on 1 host and it was configured.</P><P><A rel="user" href="https://community.cloudera.com/users/525/mclarke.html" nodeid="525">@Matt Clarke</A> </P> Wed, 05 Sep 2018 20:07:22 GMT hariprasanthmad 2018-09-05T20:07:22Z