@hanumanth, Has the reply helped resolve your issue? If so, please mark the appropriate reply as the solution, as it will make it easier for others to find the answer in the future. ... View more

@newtocm, Have any of the replies helped resolve your issue? If so, please mark the appropriate reply as the solution, as it will make it easier for others to find the answer in the future.   ... View more

@Vishn Has the reply helped resolve your issue? If so, please mark the appropriate reply as the solution, as it will make it easier for others to find the answer in the future. Thanks. ... View more

2023/09/04 09:30:05.522 INFO o.a.h.s.UserGroupInformation : Login successful for user abc using keytab file abc. Keytab auto renewal enabled : false 2023/09/04 09:30:05.522 INFO c.s.f.c.s.c.SchedulingConfig After login 2023/09/04 09:30:05.730 WARN o.a.h.i.Client Exception encountered while connecting to the server : org.apache.hadoop. security.AccessControlException: Client cannot authenticate via: [TOKEN, KERBEROS] 2023/09/04 09:30:05.734 ERROR o.a.s.d.y.ApplicationMaster : User class threw exception: java.io. IOException: DestHost: destPort uklvadhdp123 : 8032 , LocalHost: localPort ukhdp/133.0Failed on local exception: java.io. IOException: org.apache. hadoop. security. AccessControlException: Client cannot authenticate via: [TOKEN, KERBEROS] In above error message first I am getting login successful. After that if I try to access yarn resource manager getting this issue ... View more

@Asok  Safe mode is OFF Namenode is up Still HMaster is not up and running. Please can you let me know how to fix this ... View more

@hanumanth, did the response from @Asok  assist you in resolving your concerns? If so, could you kindly designate the most suitable response as the solution? This will be beneficial for other members who might come across a similar issue.   ... View more

If a port conflict occurs; the most common method is to either vacate it or to configure the service installation to use another port instead.   Can you provide the documents being followed here? Did you consider making changes to  docker-deploy-hdp30.sh? ... View more

ls: cannot access '/var/lib/ranger/yarn/': No such file or directory ... View more

How frequently is this occurring? It is worth checking network drops or you might consider increasing the timeouts on both sides ie. Resource Manager and Zookeeper. ... View more

Can you isolate any connection issues between your NN and DN pods? Maybe you can try doing an nc or telnet to the NN port from the DN pod? ... View more