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From "Hudson (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-7940) method clear() in org.apache.hadoop.io.Text does not work
Date Wed, 29 Feb 2012 12:41:57 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-7940?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13219142#comment-13219142
] 

Hudson commented on HADOOP-7940:
--------------------------------

Integrated in Hadoop-Hdfs-trunk #970 (See [https://builds.apache.org/job/Hadoop-Hdfs-trunk/970/])
    HADOOP-7940. The Text.clear() method does not clear the bytes as intended. Contributed
by Csaba Miklos. (Revision 1295061)

     Result = SUCCESS
harsh : http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1295061
Files : 
* /hadoop/common/trunk/hadoop-common-project/hadoop-common/CHANGES.txt
* /hadoop/common/trunk/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/io/Text.java
* /hadoop/common/trunk/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/io/TestText.java

                
> 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
>             Fix For: 0.24.0, 0.23.3
>
>         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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