Coordinator Server may fail to register to zk when reboot

[zcoo]

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Fluss version

main (development)

Please describe the bug 🐞

When I upgrade image for the cluster, Coordinator server will fail several times when it reboot and try to register to zookeeper. There is a NodeExistsException error because the old node in zk may still exist in short time. Thus we have to add a "retry mechanism" as tablet servers do.

Solution

retry

Are you willing to submit a PR?

• I'm willing to submit a PR!