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Victor commented on AMBARI-8629: -------------------------------- The real problem is in the NAGIOS config and CGI scripts, the parameter “retry_check_interval” must be an integer for CGI to work, but in many lines is 0.5 or 0.25 by default. Ambari in HDP2.1 use a template for this configuration located in: /var/lib/ambari-server/resources/stacks/HDP/2.0.6/services/NAGIOS/package/templates You need to edit hadoop-services.cfg.j2 and replace every occurrence of “retry_check_interval 0.25″ or “retry_check_interval 0.5″ with “retry_check_interval 1″. I attached a patch for this. Restart NAGIOS through Ambari GUI. > Nagios web: Error: Could not read object configuration data! > ------------------------------------------------------------ > > Key: AMBARI-8629 > URL: https://issues.apache.org/jira/browse/AMBARI-8629 > Project: Ambari > Issue Type: Bug > Components: ambari-agent, ambari-server > Affects Versions: 1.6.1 > Reporter: Victor > Priority: Minor > Attachments: 800px-Nagios-error.png, AMBARI-8629.patch > > > Nagios web could not shown data in a clean install: > Whoops! > Error: Could not read object configuration data! > This error appear in any menu section (Map, Hosts, Services.. ) except the > home page. -- This message was sent by Atlassian JIRA (v6.3.4#6332)