@syedshakir This is most probably ssh is not setup properly. You can try below steps.   On the Oozie Server host run the command: ps -ef| grep oozie Identify the user that runs the Oozie server. For example, the user is oozie Modify /etc/passwd file to edit the user oozie Change: oozie:x:485:483:Oozie User:/var/lib/oozie:/bin/false  to:  oozie:x:485:483:Oozie User:/var/lib/oozie:/bin/bash Note: This will enable the user oozie to login. In the command prompt switch user as oozie: su - oozie Verify that the user is switched by executing the command: id Execute ssh-keygen: ​Note:Do not give any password. This generates Public and Private Key for passwordless authentication and saves it in the Oozie user's home directory. ssh-keygen Execute ssh-copy-id to copy the public key to user’s home directory in the remote host. This user will be the one that runs ssh commands in remote host: ssh-copy-id -i /home/oozie/.ssh/id_rsa.pub cloudera@example.local.com Test by executing ssh without a password to confirm a successful authentication: ssh cloudera@example.local.com Run the Oozie workflow and verify success. ... View more

@Mondi you can follow below doc for reference. All you have to do is modify the db.properties file and point to the server which is having CM DB installed.  https://docs.cloudera.com/documentation/enterprise/latest/topics/cm_ig_mysql.html#cmig_topic_5_5 ... View more

@Prav_kumar Yes you can but since you are going to upgrade in Feb to 6.3.4 it's purely your decision to choose what is most feasible path. Just a tip make sure to read the release notes and known issue of the respective version you are Upgrading to make better decision.  ... View more

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