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https://issues.apache.org/jira/browse/SSHD-916?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16848877#comment-16848877
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Roberto Deandrea commented on SSHD-916:
---------------------------------------
Hi Lyor, sorry for the delay...
I let you know before the end of this week if the fix works fine.
Kind regards
Roberto
> Followup of SSHD-912 Review usages of AbstractCloseable#lock and constrain
> them only to actually needed ones
> ------------------------------------------------------------------------------------------------------------
>
> Key: SSHD-916
> URL: https://issues.apache.org/jira/browse/SSHD-916
> Project: MINA SSHD
> Issue Type: Bug
> Affects Versions: 2.2.0
> Reporter: Roberto Deandrea
> Assignee: Goldstein Lyor
> Priority: Major
> Attachments: spxp.usrdump.9503...@aix72.dmz.20190510114505768.log
>
>
> Hi Lyor,
> Yesterday I said you that no deadlock occurred with the new code changes, but
> I spoke too early.... :(
> I found a third thread deadlock on SSH client running our long run test
> always during client/server disconnection.
>
> The deadlock is as follows :
> Thread #22175 name: sshd-SshClient[ad946082]-nio2-thread-2
> —
> org.apache.sshd.common.session.helpers.AbstractSession.doWritePacket(AbstractSession.java:873)
> WAITFOR(encodedLock)
> ................
> —
> org.apache.sshd.common.session.helpers.AbstractSession.handleMessage(AbstractSession.java:362)
> LOCKED(sessionLock)
>
> Thread #22180 name: sshd-SshClient[ad946082]-nio2-thread-7
> —
> org.apache.sshd.client.session.ClientSessionImpl.signalAuthFailure(ClientSessionImpl.java:151)
> WAITFOR(sessionLock)
> .................
> —
> org.apache.sshd.common.session.helpers.AbstractSession.doWritePacket(AbstractSession.java:876)
> LOCKED(encodedLock)
>
> Attached you can find a full thread dump regarding the new deadlock. (see
> file spxp.usrdump.9503...@aix72.dmz.20190510114505768.log)
> Let me know if you prefer open a new ticket and troubleshoot this issue.
>
> Kind Regards
> Roberto Deandrea
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