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https://issues.apache.org/jira/browse/AMBARI-24560?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16598187#comment-16598187
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Hudson commented on AMBARI-24560:
---------------------------------
FAILURE: Integrated in Jenkins build Ambari-trunk-Commit #9900 (See
[https://builds.apache.org/job/Ambari-trunk-Commit/9900/])
AMBARI-24560. Better debugging for agent start failure due to stuck (aonishuk:
[https://gitbox.apache.org/repos/asf?p=ambari.git&a=commit&h=a4af8ed297a00b367f5948941b6cd92943d00b13])
* (edit) ambari-agent/src/main/python/ambari_agent/PingPortListener.py
> Better debugging for agent start failure due to stuck fuser call
> ----------------------------------------------------------------
>
> Key: AMBARI-24560
> URL: https://issues.apache.org/jira/browse/AMBARI-24560
> Project: Ambari
> Issue Type: Bug
> Reporter: Andrew Onischuk
> Assignee: Andrew Onischuk
> Priority: Major
> Labels: pull-request-available
> Fix For: 3.0.0
>
> Attachments: AMBARI-24560.patch
>
> Time Spent: 20m
> Remaining Estimate: 0h
>
> While debugging with we encountered an issue where call to `fuser 8670/tcp`
> it got blocked for minutes
> - in fact we did not ever see the agent start and had to comment the call. Two
> improvements:
> * Need timeout for such calls (lets also research and see why the call may
> get stuck). We checked that the port was free.
> * Need more debug logging in the initial start up path to help debug what
> command is getting stuck - in main.py, and PingPortListener.py lets see if
> more debug logging can be added
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