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https://issues.apache.org/jira/browse/AMBARI-3306?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13783075#comment-13783075
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Dmytro Sen commented on AMBARI-3306:
------------------------------------
+1
> Empty ambari server .pid causes Traceback
> -----------------------------------------
>
> Key: AMBARI-3306
> URL: https://issues.apache.org/jira/browse/AMBARI-3306
> Project: Ambari
> Issue Type: Bug
> Affects Versions: 1.4.1
> Reporter: Jeff Sposetti
> Assignee: Andrew Onischuk
> Attachments: AMBARI-3306_1.4.1.patch, AMBARI-3306.patch
>
>
> Went thru and make some ambari-server changes -- don't have steps to repro --
> but it resulted in the ambari-server.pid file to empty (file exists but 0
> size).
> ambari-server start or status command caused a traceback but this did not
> provide enough into to fix. We deleted
> /var/run/ambari-server/ambari-server.pid and things were OK.
> {code}
> ec2-user@ip-10-111-19-223 ambari-server]$ ambari-server status
> Using python /usr/bin/python2.6
> Ambari-server status
> Traceback (most recent call last):
> File "/usr/sbin/ambari-server.py", line 3988, in <module>
> main()
> File "/usr/sbin/ambari-server.py", line 3813, in main
> status(options)
> File "/usr/sbin/ambari-server.py", line 2471, in status
> status, pid = is_server_runing()
> File "/usr/sbin/ambari-server.py", line 3221, in is_server_runing
> pid = int(f.readline())
> ValueError: invalid literal for int() with base 10: ''
> {code}
> Regardless of how we got to an empty .pid file, ambari-server should handle
> an empty .pid file and print a more appropriate message (and not a
> traceback). At least that would give the user something to go look at.
> {code}
> ERROR: unable to read /var/run/ambari-server/ambari-server.pid
> {code}
> Additionally, if we find the file is 0 size, we should print this error and
> just delete the file automatically (well, tell them we are removing first).
> {code}
> ERROR: /var/run/ambari-server/ambari-server.pid is empty. Removing.
> ERROR: unable to read /var/run/ambari-server/ambari-server.pid
> {code}
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