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https://issues.apache.org/jira/browse/FLUME-2215?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14195360#comment-14195360
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Santiago M. Mola commented on FLUME-2215:
-----------------------------------------

[~hshreedharan] Yes. The patch rewrites a substantial amount of code. 
Alternatively, we can go with the first patch proposed by [~adutra], which is 
much more limited in scope.

> ResettableFileInputStream can't support  ucs-4 character
> --------------------------------------------------------
>
>                 Key: FLUME-2215
>                 URL: https://issues.apache.org/jira/browse/FLUME-2215
>             Project: Flume
>          Issue Type: Bug
>    Affects Versions: v1.5.0
>            Reporter: syntony liu
>            Assignee: Santiago M. Mola
>            Priority: Critical
>              Labels: patch
>         Attachments: FLUME-2215-0-README.txt, FLUME-2215-0.patch, 
> FLUME-2215-1-README.txt, FLUME-2215-1.patch
>
>
> ResettableFileInputStream.java:readChar() not handle ucs-4 character. it need 
> 2 charBuf. it cause an unexpected termination。
>  a temporary solution:
>      if (res.isOverflow() && !charBuf.hasRemaining()){ 
>          logger.warn("decoder ucs-4 at postion: {}" , buf.position()); 
>         tmpBuf.clear();  
>         res = decoder.decode(buf, tmpBuf, isEndOfInput); 
>         incrPosition( buf.position() - start, false); 
>        return '?'; 
>      } 



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