@Sumesh We are facing issue with Kerberos and https enabled. We followed the link provided. With HTTPS_ONLY namenode is not starting - File "/usr/lib/python2.6/site-packages/resource_management/libraries/functions/get_user_call_output.py", line 61, in get_user_call_output raise ExecutionFailed(err_msg, code, files_output[0], files_output[1]) resource_management.core.exceptions.ExecutionFailed: Execution of 'curl -sS -L -w '%{http_code}' -X GET --negotiate -u : -k 'https://xx.xx.xxx.xx:50470/webhdfs/v1/tmp?op=GETFILESTATUS&user.name=hdfs' 1>/tmp/tmpUvZhjh 2>/tmp/tmpF5e7yk' returned 35. curl: (35) Encountered end of file /var/log/hadoo/hdfs/hadoop-hdfs-namenode-xxxxxxxx.log WARN mortbay.log (Slf4jLog.java:warn(76)) - javax.net.ssl.SSLHandshakeException: no cipher suites in common. Also, noticed that namenode not able to communicate to datanode. Ports are open. Datanode processes - Connection failed: [Errno 111] Connection refused to xx:1019 Please advise. Thanks AJ ... View more