[jira] [Commented] (KARAF-7174) log:tail threads keep running after ssh exits

["Jean-Baptiste Onofré (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/KARAF-7174?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17359435#comment-17359435 ] 

Jean-Baptiste Onofré commented on KARAF-7174:
---------------------------------------------

Good catch, it's when you don't exit the session properly. We should check session state in the {{log:tail}} command.

> log:tail threads keep running after ssh exits
> ---------------------------------------------
>
>                 Key: KARAF-7174
>                 URL: https://issues.apache.org/jira/browse/KARAF-7174
>             Project: Karaf
>          Issue Type: Bug
>          Components: karaf
>    Affects Versions: 4.3.2
>         Environment: Ubuntu 20.04.2 LTS
> Clean out-of-the-box Karaf 4.3.2 distribution
>            Reporter: Gabriel Andrade
>            Assignee: Jean-Baptiste Onofré
>            Priority: Major
>         Attachments: log-tail stack trace.txt
>
>
> When executing log:tail via Karaf's ssh connection, the created thread is not killed when the ssh connection is killed or timeouts.
> I believe that all threads launched via ssh should be killed if the session is no longer active.
> Steps to reproduce:
>  * Open a ssh connection with Karaf
>  * {{Run log:tail}}
>  * Either close the session without exiting log:tail or wait until it timeouts in a few minutes;
>  * {{Run shell:threads | grep log:tail on the console or another ssh connection}}
>  * A log tail thread should still be running.
> Every time this process is repeated, a new log:tail thread will appear and stay alive.
> I've attached the return of one of my shell:thread commands.



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