Hey, Although the Nifi Registry persists the changes made to a process group, a Nifi cluster will do that regardless of having a registry or not. The Nifi Registry gives you the ability to create CI/CD across your pipelines. We have four separate Nifi clusters. Dev, Test, UAT & Production, all using the same Nifi Registry, when we make the changes in Dev the registry easily allows us to promote those changes to each of the environments with a full audit trail of who changed what and when. Critical for real life dataflows. Changes should only ever be made in dev and not directly in any of the other environments. Hope that helps    ... View more

Im facing the same issue on my setup as well. I wanted to point my processes to local hosted server and it throws connection exception all the time whereas, when I point to remote server it works absolutely fine. Error is exactly similar to what you have written above. Did you happen to get any solution? @siddharth pande. If yes, please share that would be of great help 🙂 ... View more

Which version of Kafka are you using? (not ConsumeKafka) Can you also post the configuration? ... View more

@ashok.kumar: I folllowed the above steps, i.e just adding the zookeper string and enabling is cluser in nifi properties. When I start the server I get the below error at a very fast rate: p.p1 {margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo; color: #000000; background-color: #ffffff} span.s1 {font-variant-ligatures: no-common-ligatures} span.Apple-tab-span {white-space:pre} 2018-11-02 09:22:09,009 ERROR [Curator-Framework-0] o.a.c.f.imps.CuratorFrameworkImpl Background retry gave up org.apache.curator.CuratorConnectionLossException: KeeperErrorCode = ConnectionLoss at org.apache.curator.framework.imps.CuratorFrameworkImpl.performBackgroundOperation(CuratorFrameworkImpl.java:838) at org.apache.curator.framework.imps.CuratorFrameworkImpl.backgroundOperationsLoop(CuratorFrameworkImpl.java:809) at org.apache.curator.framework.imps.CuratorFrameworkImpl.access$300(CuratorFrameworkImpl.java:64) at org.apache.curator.framework.imps.CuratorFrameworkImpl$4.call(CuratorFrameworkImpl.java:267) at java.util.concurrent.FutureTask.run(FutureTask.java:266) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) at java.lang.Thread.run(Thread.java:745) Any pointers? ... View more

@Joe P did you set up https i.e. did you enable SSL on the server? ... View more