[jira] Updated: (DIRMINA-186) ByteBuffer.putString() can loop endlessly with multi-byte UTF-8 characters

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

     [ http://issues.apache.org/jira/browse/DIRMINA-186?page=all ]

Trustin Lee updated DIRMINA-186:
--------------------------------

    Fix Version: 0.9.3
        Version: 0.9.2
                 0.9
      Assign To: Trustin Lee

I checked in your fix and modified it a little bit.

The first change:
http://svn.apache.org/viewcvs?rev=385098&view=rev

The second change:
http://svn.apache.org/viewcvs?rev=385102&view=rev

Please review and close it if the fix is feasible.

> ByteBuffer.putString() can loop endlessly with multi-byte UTF-8 characters
> --------------------------------------------------------------------------
>
>          Key: DIRMINA-186
>          URL: http://issues.apache.org/jira/browse/DIRMINA-186
>      Project: Directory MINA
>         Type: Bug
>     Versions: 0.9.1, 0.9.2, 0.9
>     Reporter: peter royal
>     Assignee: Trustin Lee
>     Priority: Critical
>      Fix For: 0.9.3

>
> If the ByteBuffer is sized just-right, attempting to put a multi-byte UTF-8 character will cause the code to loop endlessly.
> Attached is a test that will illustrate the issue, and a patch that first expands by the avgBytePerChar, then maxBytePerChar, then bails, to avoid a hang.

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