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https://issues.apache.org/jira/browse/SSHD-911?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16821326#comment-16821326
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Goldstein Lyor commented on SSHD-911:
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{quote}Can you please troubleshoot this problem ?{quote}
I'll see what I can do - it will take some time though...
In any case, any additional information you can provide may prove helpful -
e.g. can you try and focus some more when the "sometimes" occurs ? Is it often
or rare ? Perhaps you can open some *selective* debug log levels and see what
happens around the time that it seems to hang.
{quote}
The deadlock is regarding the ClientChannelPendingMessagesQueue class added to
fix routing problems for local port forwarding in the past.
{quote}
Can you explain what leads you to believe that this class code is causing the
problem ?
> 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: [email protected]
>
>
> 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 ?
> [^[email protected]]
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