[ https://issues.apache.org/jira/browse/AMBARI-25492?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
ASF GitHub Bot updated AMBARI-25492: ------------------------------------ Labels: pull-request-available (was: ) > Ambari Sends Empty metrics_collector_hosts parameters after AMS service is > deleted > ---------------------------------------------------------------------------------- > > Key: AMBARI-25492 > URL: https://issues.apache.org/jira/browse/AMBARI-25492 > Project: Ambari > Issue Type: Bug > Components: ambari-server > Affects Versions: 2.7.5 > Reporter: Akhil Naik > Assignee: Akhil Naik > Priority: Major > Labels: pull-request-available > > I am having an cluster where Ambari metrics collector was installed and > removed later as they dont use it . Now there Nifi fails to start due to > script error : > {code:java} > ---- > Traceback (most recent call last): > File > "/var/lib/ambari-agent/cache/common-services/NIFI/1.0.0/package/scripts/nifi.py", > line 304, in <module> > Master().execute() > File > "/usr/lib/ambari-agent/lib/resource_management/libraries/script/script.py", > line 352, in execute > method(env) > File > "/var/lib/ambari-agent/cache/common-services/NIFI/1.0.0/package/scripts/nifi.py", > line 139, in start > import params > File > "/var/lib/ambari-agent/cache/common-services/NIFI/1.0.0/package/scripts/params.py", > line 302, in <module> > metrics_collector_host = > str(config['clusterHostInfo']['metrics_collector_hosts'][0]) > IndexError: list index out of range > ---- > {code} > Issue is easy to reproduce > 1) Deploy a fresh cluster with HDF > 2) Remove AMS service > 3) try to start/stop or restart nifi service. it will fail with abouve error. -- This message was sent by Atlassian Jira (v8.3.4#803005)