[jira] [Created] (DIRMINA-1027) SSLHandler writes corrupt messages under heavy load

["Michael Kohlsche (JIRA)" <ji...@apache.org>]

Michael Kohlsche created DIRMINA-1027:
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             Summary: SSLHandler writes corrupt messages under heavy load
                 Key: DIRMINA-1027
                 URL: https://issues.apache.org/jira/browse/DIRMINA-1027
             Project: MINA
          Issue Type: Bug
          Components: SSL
    Affects Versions: 2.0.11
            Reporter: Michael Kohlsche
            Priority: Critical


I’m facing a critical problem in my project with an MINA-stack including SSL. My Protocol-IoFilterAdapter receives corrupt messages under heavy load (JMeter-Benchmark with 300 Threads and round about 5-10 MINA-calls per thread). The Problem disappeared without SSL, so I debugged for some days, and I think the problem occurred because of the changes made for fixing the issue https://issues.apache.org/jira/browse/DIRMINA-1019 (http://git-wip-us.apache.org/repos/asf/mina/commit/9b5c07f9). I think the problem is that the SSLHandler is calling messageReceived while also writing data into the next filter, which is writing inside the messageReceivedEventQueue. With the fix provided inside the race-condition-ticket, it works like a charm. So I think that the answer of the question "Why the second loop is also protected by the loop?" is: because otherwise the messageReceivedEventQueue is gets corrupted data...


(I hope I’m not wrong and anybody can follow my thoughts and maybe bad English xD)



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