Leonid Ilyevsky created FLINK-18733: ---------------------------------------
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. -- This message was sent by Atlassian Jira (v8.3.4#803005)