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Status Not under consideration
Created by Guest
Created on May 11, 2018

Suppress the "Operation category READ is not supported in state standby" warning message

Warning messages are appearing in all jobs and commands that use DataStage datasets after the Hadoop primary namenode server (xhadnamem1p) fails over to the secondary node (xhadnamem2p). In some cases the warnings are causing aborts due to the number of messages (one per node per dataset). The warning message is "WARN ipc.Client: Exception encountered while connecting to the server : org.apache.hadoop.ipc.RemoteException(org.apache.hadoop.ipc.StandbyException): Operation category READ is not supported in state standby." We believe this may be caused by part of the underlying architecture that is still referencing the primary node (xhadnamem1p) and we'd like to know what configuration change can be made to prevent these warnings from occurring. Please note that these particular warnings cannot be mapped to informational or removed from the jobs via message handlers because the message category also encompasses other messages that are critical.