[jira] [Created] (AMBARI-13233) Error message for ambari agent install failure when the ping port is taken by old agent process should state port and old process

["Di Li (JIRA)" <ji...@apache.org>]

Di Li created AMBARI-13233:
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             Summary: Error message for ambari agent install failure when the ping port is taken by old agent process should state port and old process
                 Key: AMBARI-13233
                 URL: https://issues.apache.org/jira/browse/AMBARI-13233
             Project: Ambari
          Issue Type: Bug
          Components: ambari-agent
    Affects Versions: 2.1.0
            Reporter: Di Li
            Priority: Minor
             Fix For: trunk


When the Ambari Agent's ping port is taken by old/left over ambari agent process. the Ambari agent install fails during the cluster installation time. The error message simply says Address already in use. As shown below.
"ERROR 2015-08-14 17:11:26,557 main.py:272 - Failed to start ping port listener of: [Errno 98] Address already in use"

The error message could have been more specific on which port was used by which process. 

In fact, the err msg is there in the ambari-agent/src/main/python/ambari_agent/PingPortListener.py already. It's just that it was never used due to the way the awk parses the pid.

This JIRA is to attempt to fix the awk parse cmd so that the Ambari agent python script would throw the exception with a detailed error message.



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