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From "Christoph John (Jira)" <j...@apache.org>
Subject [jira] [Commented] (DIRMINA-1120) ProtocolCodecFilter does not support concurrent access
Date Fri, 10 Jan 2020 11:17:00 GMT

    [ https://issues.apache.org/jira/browse/DIRMINA-1120?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17012726#comment-17012726
] 

Christoph John commented on DIRMINA-1120:
-----------------------------------------

Quote from http://mina.apache.org/mina-project/gen-docs/2.1.3/apidocs/org/apache/mina/core/session/IoSession.html

{quote}
Thread Safety

IoSession is thread-safe. But please note that performing more than one write(Object) calls
at the same time will cause the IoFilter.filterWrite(IoFilter.NextFilter,IoSession,WriteRequest)
to be executed simultaneously, and therefore you have to make sure the IoFilter implementations
you're using are thread-safe, too. 
{quote}

> ProtocolCodecFilter does not support concurrent access
> ------------------------------------------------------
>
>                 Key: DIRMINA-1120
>                 URL: https://issues.apache.org/jira/browse/DIRMINA-1120
>             Project: MINA
>          Issue Type: Bug
>          Components: Core
>    Affects Versions: 2.1.1, 2.1.2, 2.1.3
>            Reporter: Cloudor Pu
>            Priority: Major
>
> In ProtocolCodecFilter#filterWrite method, the same writeRequest might be written more
than once and previous encoded message would be overwritten by next ones and cause message
lost problems.



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