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Mapr_Warden not able to stop

Question asked by Mari on Dec 14, 2017
Latest reply on Dec 19, 2017 by Mari

While trying to warden service, the service is not getting stopped gracefully and moved to "FAILED_STOP" state.

 

We are getting the below exception while trying to stop the service.

 

 

2017-12-14 14:59:48,368 INFO com.mapr.warden.service.baseservice.Service [Thread-2]: -------------Service is stopping for: jobtracker
2017-12-14 14:59:48,369 ERROR com.mapr.warden.service.baseservice.common.ZKUtilsLocking createZKNode [main-EventThread]: 22 SessionExpiredException while trying to createZKNode: /servers/vmy2548.ete.ka.sw.ericsson.se
2017-12-14 14:59:48,369 INFO com.mapr.warden.service.baseservice.Service$ServiceRun [jobtracker_monitor]: Command: [/opt/mapr/hadoop/hadoop-0.20.2/bin/hadoop-daemon.sh, stop, jobtracker], Directory: /opt/mapr/hadoop/hadoop-0.20.2/bin
2017-12-14 14:59:48,369 ERROR com.mapr.warden.WardenServer process [main-EventThread]: Keeper Exception during dealing with: /servers/vm****
Ignoring Event.
org.apache.zookeeper.KeeperException$SessionExpiredException: KeeperErrorCode = Session expired for /servers/vm****
at org.apache.zookeeper.KeeperException.create(KeeperException.java:127)
at org.apache.zookeeper.KeeperException.create(KeeperException.java:51)
at org.apache.zookeeper.ZooKeeper.create(ZooKeeper.java:783)
at com.mapr.warden.service.baseservice.common.ZKUtilsLocking.createZKNode(ZKUtilsLocking.java:141)
at com.mapr.warden.WardenServer.process(WardenServer.java:289)
at org.apache.zookeeper.ClientCnxn$EventThread.processEvent(ClientCnxn.java:519)
at org.apache.zookeeper.ClientCnxn$EventThread.run(ClientCnxn.java:495)
2017-12-14 14:59:48,484 INFO com.mapr.warden.service.baseservice.Service$ServiceRun [jobtracker_monitor]: stopping jobtracker

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