I have upgraded ambari from 2.5.1.0 to 2.6.2.2 , but I am not able to start few services , zeppelin , hbase ..etc . I am getting below error when I restart the services : 2018-09-03 08:44:39,459 - Could not determine stack version for component zeppelin-server by calling '/usr/bin/hdp-select status zeppelin-server > /tmp/tmp9iDTwc'. Return Code: 1, Output: . 2018-09-03 08:44:39,497 - The 'zeppelin-server' component did not advertise a version. This may indicate a problem with the component packaging. However, the stack-select tool was able to report a single version installed (2.5.0.0-1245). This is the version that will be reported. 2018-09-03 08:44:39,642 - Could not determine stack version for component zeppelin-server by calling '/usr/bin/hdp-select status zeppelin-server > /tmp/tmpoOZ1_0'. Return Code: 1, Output: . 2018-09-03 08:44:39,681 - The 'zeppelin-server' component did not advertise a version. This may indicate a problem with the component packaging. However, the stack-select tool was able to report a single version installed (2.5.0.0-1245). This is the version that will be reported. 2018-09-03 08:44:40,949 - Getting jmx metrics from NN failed. URL: http://<namenodehsot>:50070/jmx?qry=Hadoop:service=NameNode,name=FSNamesystem However there is symlink and files fro zeppelin-server : ls -l /usr/hdp/current | grep -i zeppelin-server lrwxrwxrwx 1 root root 30 Sep 3 08:44 zeppelin-server -> /usr/hdp/2.5.0.0-1245/zeppelin ... View more

Is there some rest ap i available to fetch the yarn memory and cpu usage for the cluster ? ... View more

I am not able to connect beeline from user tom but I am able to connect from hive . Hive : !connect jdbc:hive2://noescape.c.test:10000/default;principal=hive/noescape.c.test@EXAMPLE.COM here i am connected from hive but when I go form tom it is not getting connected . !connect jdbc:hive2://noescape.c.test:10000/default;principal=tom@EXAMPLE.COM Kerberos principal should have 3 parts: tom@EXAMPLE.COM I tried different way also but no luck : from root I did kinit tom then beeline and !connect jdbc:hive2://noescape.c.test:10000/default it prompted for username and password , username tom and provided same password which i did while executing kinit tom . but this way below error : Could not open client transport with JDBC Uri: jdbc:hive2://<host>:10000/default;: Peer indicated failure: Unsupported mechanism type PLAIN (state=08S01,code=0) ... View more

I have created a ranger (HDFS )policy for the user and made him delegate admin , but the policy is not visible for him . ... View more

I am installing single node cluster but I am getting the Permission denied (publickey,gssapi-keyex,gssapi-with-mic) . however I have set PasswordAuthentication yes PermitRootLogin yes in the /etc/ssh/sshd_config service sshd restart i have done below steps from root : selinux=disabled service iptables stop service ip6tables stop chkconfig iptables off chkconfig ip6tables off service ntpd start chkconfig ntpd on ssh-keygen -t rsa cd .sshcat id_rsa >> authorized_keys chmod 700 ~/.ssh when i try to [root@instance-5 .ssh]# ssh host root@104.196.221.168's password: but earlier trying the same root password on the same host required . Thanks Anurag ... View more