Leonid Ilyevsky created FLINK-18733:
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Summary: Jobmanager cannot start in HA mode with Zookeeper
Key: FLINK-18733
URL: https://issues.apache.org/jira/browse/FLINK-18733
Project: Flink
Issue Type: Bug
Affects Versions: 1.11.1
Reporter: Leonid Ilyevsky
When configured in HA mode, the Jobmanager cannot start at all. First, it
issues warnings like this:
{{2020-07-27 08:58:23,197 WARN
org.apache.flink.shaded.zookeeper3.org.apache.zookeeper.ClientCnxn [] - Session
0x0 for server nj1dvloglab01.liquidnet.biz/<unresolved>:2181, unexpected error,
closing socket connection and attempting reconnect}}
{{java.lang.IllegalArgumentException: Unable to canonicalize address
nj1dvloglab01.liquidnet.biz/<unresolved>:2181 because it's not resolvable}}
{{ at
org.apache.flink.shaded.zookeeper3.org.apache.zookeeper.SaslServerPrincipal.getServerPrincipal(SaslServerPrincipal.java:65)
~[flink-shaded-zookeeper-3.4.14.jar:3.4.14-11.0]}}
{{ at
org.apache.flink.shaded.zookeeper3.org.apache.zookeeper.SaslServerPrincipal.getServerPrincipal(SaslServerPrincipal.java:41)
~[flink-shaded-zookeeper-3.4.14.jar:3.4.14-11.0]}}
{{ at
org.apache.flink.shaded.zookeeper3.org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1001)
~[flink-shaded-zookeeper-3.4.14.jar:3.4.14-11.0]}}
{{ at
org.apache.flink.shaded.zookeeper3.org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1060)
[flink-shaded-zookeeper-3.4.14.jar:3.4.14-11.0]}}
After few attempts connecting to Zookeeper, it finally fails:
2020-07-27 08:59:35,055 ERROR
org.apache.flink.runtime.entrypoint.ClusterEntrypoint [] - Fatal error occurred
in the cluster entrypoint.
org.apache.flink.util.FlinkException: Unhandled error in
ZooKeeperLeaderElectionService: Ensure path threw exception
at
org.apache.flink.runtime.leaderelection.ZooKeeperLeaderElectionService.unhandledError(ZooKeeperLeaderElectionService.java:430)
~[flink-dist_2.12-1.11.1.jar:1.11.1]
The same HA configuration works fine for me in Flink 1.10.0.
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