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From Pierre Villard <>
Subject Re: Cluster is unable to service request to change flow
Date Mon, 07 Aug 2017 17:06:34 GMT

When a node is disconnected, the UI switches to read-only mode. That's why
it's saying that action cannot be complete: there is one disconnected node
(it does not matter it is the old primary node). If you want to have normal
access to the UI, you need to completely remove the node from the cluster
or reconnect it.

Hope this helps,

2017-08-07 18:59 GMT+02:00 mayank rathi <>:

> Hello All,
> I was troubleshooting an issue with my cluster ( 3 node) and I ran
> bin/ stop on the primary node. Controller chose another node as
> Primary and cluster is processing data but when I try to stop a Processor
> Group in NiFi UI, I get below error.
> "Cluster is unable to service request to change flow: Node
> *****.*****.****.****:7070 is currently disconnected"
> Why is Cluster concerned about old Primary node? How to resolve this error?
> Thanks!!
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