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Posted to common-dev@hadoop.apache.org by "Aaron, (Created) (JIRA)" <ji...@apache.org> on 2011/12/24 15:50:30 UTC

[jira] [Created] (HADOOP-7940) method clear() in org.apache.hadoop.io.Text does not work

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,


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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