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From "jpalacios (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (SSHD-340) Hanging threads left working when server is shut down
Date Wed, 03 Oct 2018 00:44:00 GMT

    [ https://issues.apache.org/jira/browse/SSHD-340?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16636291#comment-16636291

jpalacios commented on SSHD-340:

Hi [~gnt] / [~lgoldstein],
I was wondering if I could get some context into this change. For Bitbucket Server this was
an API breaking change because whenever an admin changes the server port we would stop the
server and start it on the new port number. It's not a big effort to create a new server but
I'm worried about these types of changes in a minor release and I'm whether we should expect
to find more changes like this in this release and/or future ones.


> Hanging threads left working when server is shut down
> -----------------------------------------------------
>                 Key: SSHD-340
>                 URL: https://issues.apache.org/jira/browse/SSHD-340
>             Project: MINA SSHD
>          Issue Type: Bug
>    Affects Versions: 0.12.0
>            Reporter: Sampo Savolainen
>            Priority: Major
>             Fix For: 2.0.1
>   Original Estimate: 1h
>  Remaining Estimate: 1h
> SSHD fails to stop properly due to errant threads. I've attached a thread dump from a
point of execution where everything should have been cleaned up. The hanging threads happen
only if the server has accepted connections and they do not hang forever, they seem to stop
themselves after a minute or so. This might be an executor pool which is not shut down correctly.
> Earlier versions (0.8.0 and 0.9.0) did not exhibit this behavior.

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