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On Oracle Big Appliance both Resource Managers are in Standby (Doc ID 1955465.1)

Last updated on DECEMBER 06, 2019

Applies to:

Big Data Appliance Integrated Software - Version 3.0 and later
Linux x86-64


On Oracle Big Data Appliance both Resource Managers(RM) are in Standby State.

Errors reported in the RM logs are

 INFO org.apache.hadoop.ha.ActiveStandbyElector: Trying to re-establish ZK session
 INFO org.apache.zookeeper.ZooKeeper: Session: 0x34a3f57eea00856 closed
 INFO org.apache.zookeeper.ZooKeeper: Initiating client connection,..........
 WARN org.apache.zookeeper.ClientCnxn: Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect Connection refused
at Method)
at org.apache.zookeeper.ClientCnxnSocketNIO.doTransport(
at org.apache.zookeeper.ClientCnxn$
INFO org.apache.hadoop.yarn.server.resourcemanager.ResourceManager: Transitioning to active state
 WARN org.apache.hadoop.yarn.server.resourcemanager.RMAuditLogger: USER=yarn OPERATION=transitionToActive TARGET=RMHAProtocolService RESULT=FAILURE DESCRIPTION=Exception transitioning to active PERMISSIONS=All users are allowed
 WARN org.apache.hadoop.ha.ActiveStandbyElector: Exception handling the winning of election
org.apache.hadoop.ha.ServiceFailedException: RM could not transition to Active
at org.apache.hadoop.yarn.server.resourcemanager.EmbeddedElectorService.becomeActive(
at org.apache.hadoop.ha.ActiveStandbyElector.becomeActive(
at org.apache.hadoop.ha.ActiveStandbyElector.processResult(
at org.apache.zookeeper.ClientCnxn$EventThread.processEvent(
at org.apache.zookeeper.ClientCnxn$
Caused by: org.apache.hadoop.ha.ServiceFailedException: Error when transitioning to Active mode
at org.apache.hadoop.yarn.server.resourcemanager.AdminService.transitionToActive(
at org.apache.hadoop.yarn.server.resourcemanager.EmbeddedElectorService.becomeActive(
... 4 more
Caused by: org.apache.hadoop.service.ServiceStateException: RMActiveServices cannot enter state STARTED from state STOPPED



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