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https://issues.apache.org/jira/browse/DIRMINA-1205?focusedWorklogId=1049657&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-1049657
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ASF GitHub Bot logged work on DIRMINA-1205:
-------------------------------------------

                Author: ASF GitHub Bot
            Created on: 23/Oct/26 12:04
            Start Date: 23/Oct/26 12:04
    Worklog Time Spent: 10m 
      Work Description: jon-valliere commented on PR #84:
URL: https://github.com/apache/mina/pull/84#issuecomment-6364458355

   I'll check this later but I would like to caution everyone.  This is the 
exact problem that was brought up two years ago that led to the experimentation 
branch which introduced the buggy concurrency.




Issue Time Tracking
-------------------

    Worklog Id:     (was: 1049657)
    Time Spent: 0.5h  (was: 20m)

> Deadlock when using SSL in combination with proxy filter
> --------------------------------------------------------
>
>                 Key: DIRMINA-1205
>                 URL: https://issues.apache.org/jira/browse/DIRMINA-1205
>             Project: MINA
>          Issue Type: Bug
>          Components: Core, SSL
>    Affects Versions: 2.2.10
>         Environment: Windows, Linux, MacOS
>            Reporter: Marcin Lamparski
>            Priority: Critical
>         Attachments: blocking-pipeline-deadlock.dot, 
> blocking-pipeline-deadlock.svg, non-blocking-pipeline-deadlock.dot, 
> non-blocking-pipeline-deadlock.svg
>
>          Time Spent: 0.5h
>  Remaining Estimate: 0h
>
> While updating MINA 2.2.10 in QuickFIXj we encountered a deadlock in 
> end-to-end SOCKS proxy tests.
> It looks like this was introduced by DIRMINA-1199 fix however all 
> combinations of tests fail with a deadlock, which also means that there is an 
> existing problem with {{org.apache.mina.filter.ssl.SSLHandlerG0}} 
> implementation in versions before 2.2.10.
> Currently I was only able to confirm SSL + SOCKS proxy combination failures, 
> but some of the failures in mentioned QuickFIXj PRs look suspicious. It will 
> be easier to investigate if we solve this problem first.



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