Matthias Pohl created FLINK-30474:
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Summary: DefaultMultipleComponentLeaderElectionService triggers HA
backend change even if it's not the leader
Key: FLINK-30474
URL: https://issues.apache.org/jira/browse/FLINK-30474
Project: Flink
Issue Type: Bug
Components: Runtime / Coordination
Affects Versions: 1.15.3, 1.16.0, 1.17.0
Reporter: Matthias Pohl
{{DefaultMultipleComponentLeaderElectionService}} calls
{{LeaderElectionEventHandler#onLeaderInformationChange}} in any case even
though the contracts of that method states that it should be only called by the
leader to update the HA backend information (see
[JavaDoc|https://github.com/apache/flink/blob/5a2f220e31c50306a60aae8281f0ab4073fb85e1/flink-runtime/src/main/java/org/apache/flink/runtime/leaderelection/LeaderElectionEventHandler.java#L46-L50]).
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