[jira] [Created] (AMBARI-14257) Storm metrics do not work after upgrading Ambari to 2.1.2.

["Aravindan Vijayan (JIRA)" <ji...@apache.org>]

Aravindan Vijayan created AMBARI-14257:
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             Summary: Storm metrics do not work after upgrading Ambari to 2.1.2.
                 Key: AMBARI-14257
                 URL: https://issues.apache.org/jira/browse/AMBARI-14257
             Project: Ambari
          Issue Type: Bug
          Components: ambari-metrics
    Affects Versions: 2.1.2
            Reporter: Aravindan Vijayan
            Assignee: Aravindan Vijayan
            Priority: Critical
             Fix For: 2.2.0


Problem
Storm metrics do not work after upgrading from versions < 2.1.1 to 2.1.2. ClassNotFound exception seen in the logs when storm metrics reporter class is accessed.
Bug
Storm lib directory is usually found in /usr/hdp/current/storm-nimbus/lib. In the code we try to delete the link from /usr/lib/storm/lib which is not present. Hence, we never update the symlink in the actual location thus causing a stale symlink.
Fix
Change the symlink deletion logic to look at the correct location.



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