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05-02-2019
05:56 PM
@PK The name node failover looks a normal process and the edits files are being applied correctly. The KDC looks to be performing also without any Kerberos errors that leaves one culprit! Your application client IP 39.7.48.5 is misconfigured to connect to a specific Namenode so when the failover happens boooouum error [org.apache.hadoop.ipc.StandbyException: Operation category READ is not supported in state standby] your client should be configured to use the namespace which works as a DNS for the Namenode rather than hard coding a namenode !! Can you validate my suspicion? HTH
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