GaryChow-LGTM opened a new issue, #17807:
URL: https://github.com/apache/druid/issues/17807
### Affected Version
Druid 25.0
### Description
1. Zookeeper restart due to the node crash in 05:50 UTC
2. Coordinator log
`2025-03-17T05:50:23,080 INFO
[LeaderSelector[/druid/coordinator/_COORDINATOR]]
org.apache.druid.server.coordinator.DruidCoordinator - I am no longer the
leader...
2025-03-17T05:50:24,370 INFO
[LeaderSelector[/druid/coordinator/_COORDINATOR]]
org.apache.druid.server.coordinator.DruidCoordinator - I am the leader of the
coordinators, all must bow! Starting coordination in [PT30S].`
3. There are no new segment assignments, but the following log is present
with no error logs:
- `Polled and found 201 rule(s) for 193 datasource(s).`
I have attempted the following approaches to recover from the issue:
1. Restarted the coordinator leader and follower, but this did not help.
2. Restarted the Zookeeper follower, but this did not help.
3. Restarted the Zookeeper leader, which resolved the issue.
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