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From "Andrew Onischuk (JIRA)" <j...@apache.org>
Subject [jira] [Created] (AMBARI-11885) Storm supervisors deployed by Ambari use storm-client link
Date Fri, 12 Jun 2015 14:18:00 GMT
Andrew Onischuk created AMBARI-11885:
----------------------------------------

             Summary: Storm supervisors deployed by Ambari use storm-client link
                 Key: AMBARI-11885
                 URL: https://issues.apache.org/jira/browse/AMBARI-11885
             Project: Ambari
          Issue Type: Bug
            Reporter: Andrew Onischuk
            Assignee: Andrew Onischuk
             Fix For: 2.1.0


After upgrading to HDP 2.2.4.2 we removed the HDP 2.2.0 directories to make
sure we didn't have any hidden dependencies. When restarting services,
supervisors failed to start with this error:  
Fail: Execution of 'ambari-sudo.sh ln -s /usr/lib/storm/lib/ambari-metrics-
storm-sink*.jar /usr/hdp/current/storm-client/lib/ambari-metrics-storm-
sink.jar' returned 1. ln: creating symbolic link `/usr/hdp/current/storm-
client/lib/ambari-metrics-storm-sink.jar': No such file or directory  
2015-05-22 13:33:27,950 - Command: /usr/bin/hdp-select status storm-supervisor
> /tmp/tmpXh9erp

We removed the supervisors and redeployed them, thinking it might be solved by
a fresh deployment. When starting the newly deployed supervisors, we got this
error:  
Fail: Execution of 'ambari-sudo.sh ln -s /usr/lib/storm/lib/ambari-metrics-
storm-sink*.jar /usr/hdp/current/storm-client/lib/ambari-metrics-storm-
sink.jar' returned 1. ln: creating symbolic link `/usr/hdp/current/storm-
client/lib/ambari-metrics-storm-sink.jar': No such file or directory  
2015-05-22 13:36:59,979 - Command: /usr/bin/hdp-select status storm-supervisor
> /tmp/tmp4iP41d

When a supervisor is deployed (in the absence of the nimbus, DRPC server or
UI) it does create a /usr/hdp/current/storm-supervisor link that correctly
links to /usr/hdp/<latestVersion>/storm, but it does not create a link for
storm-client. Ambari Metrics tries to create the link for its jar using the
storm-client link.

Ambari Metrics needs to change the path for its link to use the appropriate
component (in this case storm-supervisor).





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