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From "Csaba Miklos (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-7940) method clear() in org.apache.hadoop.io.Text does not work
Date Tue, 28 Feb 2012 17:29:46 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-7940?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13218377#comment-13218377
] 

Csaba Miklos commented on HADOOP-7940:
--------------------------------------

Hi Eli!

I've read HowToContribute page. This patch for the trunk. I've also attached the patch to
the issue.

Best regards,
Csaba
                
> method clear() in org.apache.hadoop.io.Text does not work
> ---------------------------------------------------------
>
>                 Key: HADOOP-7940
>                 URL: https://issues.apache.org/jira/browse/HADOOP-7940
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: io
>    Affects Versions: 0.20.205.0
>         Environment: Ubuntu, hadoop cloudera CDH3U2, Oracle SUN JDK 6U30
>            Reporter: Aaron,
>            Assignee: Csaba Miklos
>              Labels: patch
>         Attachments: HADOOP-7940.patch
>
>   Original Estimate: 2h
>  Remaining Estimate: 2h
>
> LineReader reader = new LineReader(in, 4096);
> ...
> Text text = new Text();
> while((reader.readLine(text)) > 0) {
>      ...
>      text.clear();
> }
> }
> Even the clear() method is called each time, some bytes are still not filled as zero.
> So, when reader.readLine(text) is called in a loop, some bytes are dirty which was from
last call.

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