Services Reporting Alerts UNKNOWN [AMBARI_METRICS] AMBARI_METRICS UNKNOWN Metrics Collector - HBase Master CPU Utilization [Alert][ams_metrics_collector_hbase_master_cpu] Unable to extract JSON from JMX response   Is this big issue? anything worry about it? another alert is  Services Reporting Alerts OK [AMBARI_METRICS] AMBARI_METRICS OK Metrics Collector - HBase Master CPU Utilization 12 CPU, load 12.8%     Please advice me I am waiting for you kind response.     ... View more

@Sindhu Thank you! ... View more

@Samant Thakur Good to know,give yourself the points then close this thread. ... View more

@Samant Thakur Check which version of curl are you using if it is older version then update to new version and run the curl again. Some useful links regarding are as follows link1 link2 ... View more

@Samant Thakur Yes, it is very annoying when User ID is in upper or mixed case, which is very normal in AD, which is not case-sensitive. But, linux is case-sensitive and so is Ranger. You can remove case-sensitivity in Ranger. But, it is ideal to do it during the installation. You can refer to this article: https://community.hortonworks.com/content/kbentry/145832/ranger-user-sync-issues-due-to-case-difference.html PS: As usual, If you think my response helped you to find a solution then please accept my response as the best answer. ... View more