[jira] [Created] (NIFI-5866) Cluster gets out of sync: "X is not the most up-to-date revision."

["Joseph Gresock (JIRA)" <ji...@apache.org>]

Joseph Gresock created NIFI-5866:
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             Summary: Cluster gets out of sync: "X is not the most up-to-date revision."
                 Key: NIFI-5866
                 URL: https://issues.apache.org/jira/browse/NIFI-5866
             Project: Apache NiFi
          Issue Type: Bug
    Affects Versions: 1.6.0
         Environment: CentOS 6.9, NiFi 1.6.0 cluster of 4, running on AWS EC2 VMs.
            Reporter: Joseph Gresock


Since upgrading to 1.6.0, I have started to see this error sometimes when I try to modify a component (start, stop, configure, move, etc.):

 

Node X is unable to fulfill this request due to: [12, <some uuid>, <some uuid>] is not the most up-to-date revision.  This component appears to have been modified.

 

The only way I have found to resolve this is to disconnect and then delete the node from the cluster, then try again, repeating the process until the flow can be modified.  Afterwards, I have to stop nifi on the disconnected nodes, delete their flow.xml.gz, and let them rejoin the cluster with a fresh copy of the flow.

 

This sometimes happens multiple times per day.



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