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Posted to dev@mina.apache.org by "Christoph John (Jira)" <ji...@apache.org> on 2020/01/10 11:17:00 UTC
[jira] [Commented] (DIRMINA-1120) ProtocolCodecFilter does not
support concurrent access
[ 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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