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From "Owen O'Malley (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HADOOP-523) TextInputformat .isSplittable() fails with NullPointerException with hadoop 0.6.1
Date Tue, 12 Sep 2006 18:38:23 GMT
     [ http://issues.apache.org/jira/browse/HADOOP-523?page=all ]

Owen O'Malley updated HADOOP-523:
---------------------------------

    Attachment: test-configure-input-format.patch

Here is a one line change to the regression tests that would have detected the problem.

> TextInputformat .isSplittable() fails with NullPointerException with hadoop 0.6.1
> ---------------------------------------------------------------------------------
>
>                 Key: HADOOP-523
>                 URL: http://issues.apache.org/jira/browse/HADOOP-523
>             Project: Hadoop
>          Issue Type: Bug
>          Components: mapred
>    Affects Versions: 0.6.0
>            Reporter: Sanjay Dahiya
>         Assigned To: Owen O'Malley
>             Fix For: 0.6.1
>
>         Attachments: configure-input-format.patch, test-configure-input-format.patch
>
>
> With hadoop 0.6.1, TextInputFormat fails with NullPointerException, causing Job with
fail. 
> TextInputFormat.configure() is not called to initialize compressionCodecs and following
method throws NullPointerException.
>   protected boolean isSplitable(FileSystem fs, Path file) {
>     return compressionCodecs.getCodec(file) == null;
>   }
> java.lang.NullPointerException
>         at org.apache.hadoop.mapred.TextInputFormat.isSplitable(TextInputFormat.java:37)
>         at org.apache.hadoop.mapred.InputFormatBase.getSplits(InputFormatBase.java:149)
>         at org.apache.hadoop.mapred.JobInProgress.initTasks(JobInProgress.java:129)
>         at org.apache.hadoop.mapred.JobTracker$JobInitThread.run(JobTracker.java:314)
>         at java.lang.Thread.run(Thread.java:613)

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