Mark Payne created NIFI-16017:
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Summary: Prevent nodes from (re)joining cluster when it has a
Connector in a different Troubleshooting state than Cluster
Key: NIFI-16017
URL: https://issues.apache.org/jira/browse/NIFI-16017
Project: Apache NiFi
Issue Type: Task
Components: Core Framework
Reporter: Mark Payne
Assignee: Mark Payne
If a node wants to join or rejoin a cluster, but it has a Connector that is in
Troubleshooting mode while the cluster is not (or vice versa) the node should
be prohibited from joining. This check should happen at the very beginning of
the negotiation, just like we do when checking if there would be data loss.
This allows us to reject the node without changing any component states, etc.
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