[jira] Commented: (DIRMINA-249) exceptionCaught() should provide more information

["Trustin Lee (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/DIRMINA-249?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12531268 ] 

Trustin Lee commented on DIRMINA-249:
-------------------------------------

One problem with introducing WriteException is that any existing IoFilters that filter a WriteRequest also need to filter WriteException to provide the original message object user specified in IoSession.write() call, like they do for messageReceived and messageSent events.  Therefore, the implementation of IoFilter becomes more complex.


> exceptionCaught() should provide more information
> -------------------------------------------------
>
>                 Key: DIRMINA-249
>                 URL: https://issues.apache.org/jira/browse/DIRMINA-249
>             Project: MINA
>          Issue Type: Improvement
>         Environment: All
>            Reporter: Vinod Panicker
>             Fix For: 2.0.0-M1
>
>
> Currently if the application calls a write() on MINA, it will get notified of any exceptions via the exceptionCaught() method.  The problem is that the application does not have any information as to what data could not be written on the session.  To figure that out, it either has to wait on the WriteFuture or implement some state mechanism within the IoSession.
> Trustin recommended that a WriteException could be created, which could provide the necessary information. It should have the ByteBuffer for which the write() failed.

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