[jira] [Assigned] (SSHD-911) Deadlock in Apache SshClient used for local port forwarding

["Goldstein Lyor (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SSHD-911?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Goldstein Lyor reassigned SSHD-911:
-----------------------------------

    Assignee: Goldstein Lyor

> Deadlock in Apache SshClient used for local port forwarding
> -----------------------------------------------------------
>
>                 Key: SSHD-911
>                 URL: https://issues.apache.org/jira/browse/SSHD-911
>             Project: MINA SSHD
>          Issue Type: Bug
>    Affects Versions: 2.2.0
>            Reporter: Roberto Deandrea
>            Assignee: Goldstein Lyor
>            Priority: Major
>         Attachments: spxp.usrdump.20382184@AIX72.DMZ.20190417205240026.log
>
>
> Hi Lyor,
> We have an Apache SSHD 2.2.0 client and server SSH pair used for local port forwarding of different protocols.
> In our lab environment we found that sometimes when the SSH client for any reason is disconnecting from the SSH server, a DEADLOCK happens on the sshClient regarding the threads in the thread pool.
> We are using builtin nio2 implementation for our SshClient.
> The deadlock is regarding the ClientChannelPendingMessagesQueue class added to fix routing problems for local port forwarding in the past.
> Attached you can find the thread dump taken after the deadlock happend.
>  
> Can you please troubleshoot this problem ?
> [^spxp.usrdump.20382184@AIX72.DMZ.20190417205240026.log]



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