@hassenseoud  Triggering log roll on remote NameNode hdpmaste r2/192.168.1.162:8020 2016-10-24 11:25:52,108 WARN ha.EditLogTailer (EditLogTailer.java:triggerActiveLogRoll(276)) - Unable to trigger a roll of the active NN org.apache.hadoop.ipc.RemoteException (org.apache.hadoop.ipc.StandbyException): Operation category JOURNAL is not supported in state standby Check the active NN $ hdfs haadmin -getServiceState <serviceId> : dfs.ha.namenodes.mycluster in hdfs-site.xm $ hdfs haadmin -getServiceState namenode2 active Example $ hdfs haadmin -getServiceState namenode1 standby Action 2 Shutdown whichever of the above was/is the standby from Ambari ensure its stopped. Action 3 From Ambari do a rolling restart of the zk forum, wait untill all 3 or x are restarted Action 4 Execute sequentially  the below cmd's $ hdfs dfsadmin -safemode enter $ hdfs dfsadmin -saveNamespace $ hdfs dfsadmin -safemode leave Restart the JN and the above NN service when all is green then  you can safely start the standby ... View more

@TonyQiu, as this is an older post, you would have a better chance of receiving a resolution by starting a new thread. This will also be an opportunity to provide details specific to your environment that could aid others in assisting you with a more accurate answer to your question. You can link this thread as a reference in your new post. ... View more

Well I have the same error but I don't see extra trailing ,.  I see yarn.resourcemanager.ha.rm-ids set to rm1, rm2 ... View more

Our installation had the password hash in another table.   update ambari.user_authentication set authentication_key='538916f8943ec225d97a9a86a2c6ec0818c1cd400e09e03b660fdaaec4af29ddbb6f2b1033b81b00' where user_id='1'     Note: user_id=1 was the admin in my case.   ... View more

Can someone please elaborate more on how to set up passwordless SSH or embed into workflow? Thank you. ... View more

Thanks Divakar ... View more

I was able to resolve my problem. By running the command below (link to source). The issue was when I issued an Oozie command the system was getting confused and didn't know where to look for the sharedlib files (defaulted to localhost). This way it set the URL and allowed it to communicate with oozie to find the files. $ export OOZIE_URL=http://FQDNofmycluster:11000/oozie ... View more

Thanks Dave Issue has been resolved after make Active NameNode where hue installed. ... View more

@Pardeep It's been a while of the post. I have been facing the same issue after I upgraded my hortonworks sandbox to HDP2.5. I tried the "mv VERSIONS VERSIONS.org" and restarted the hue but didn't work. I get the below when I restart My HUE shows up below when re-started Any help on this is greatly appreciated. Thanks! ... View more