Matthew Clarke created NIFI-2999:
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Summary: In NiFI Cluster, new cluster coordinator election could
result in all nodes being dropped.
Key: NIFI-2999
URL: https://issues.apache.org/jira/browse/NIFI-2999
Project: Apache NiFi
Issue Type: Bug
Components: Core Framework
Affects Versions: 1.0.0
Reporter: Matthew Clarke
When NiFi elects a new cluster coordinator, the newly elected coordinator
starts accepting heartbeats from the cluster nodes. If another cluster
coordinator election occurs later which results in the original Node being
elected as the cluster coordinator once again, old heartbeat messages exist
which will trigger all nodes to be dropped due to their age exceeding the
threshold for last received heartbeat.
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