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From: "Mike Drob (JIRA)" <jira@apache.org>
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Subject: [jira] [Commented] (ACCUMULO-2083) RegExFilter Erroneously
 Reconstructs RowId Containing Null Character
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    [ https://issues.apache.org/jira/browse/ACCUMULO-2083?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13885517#comment-13885517 ] 

Mike Drob commented on ACCUMULO-2083:
-------------------------------------

[~vines], can you commit your code as a unit test?

> RegExFilter Erroneously Reconstructs RowId Containing Null Character
> --------------------------------------------------------------------
>
>                 Key: ACCUMULO-2083
>                 URL: https://issues.apache.org/jira/browse/ACCUMULO-2083
>             Project: Accumulo
>          Issue Type: Bug
>    Affects Versions: 1.5.0
>            Reporter: Laura Schanno
>            Assignee: John Vines
>            Priority: Minor
>         Attachments: RegexWithNullByte.java
>
>
> I applied a core.iterators.user.RegExFilter iterator to a BatchScanner iterating over Key,Value pairs where the row id of the Keys are formatted as "<source>\0\<sink>". RegExFilter reconstructed the row id as "<source>", dropping the sink half. This appears to be due to the usage of the String(byte bytes[], int offset, int length, Charset charset) constructor to reset the values of the Matcher objects in the both of the matches() functions. The String constructor only reconstructs a String up to the "\0" character.



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