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From "Hairong Kuang (JIRA)" <j...@apache.org>
Subject [jira] Created: (HADOOP-835) conf not set for the default Codec when initializing a Reader for a record-compressed sequence file
Date Tue, 19 Dec 2006 23:18:21 GMT
conf not set for the default Codec when initializing a Reader for a record-compressed sequence
file
---------------------------------------------------------------------------------------------------

                 Key: HADOOP-835
                 URL: http://issues.apache.org/jira/browse/HADOOP-835
             Project: Hadoop
          Issue Type: Bug
          Components: io
    Affects Versions: 0.9.2
            Reporter: Hairong Kuang
         Assigned To: Hairong Kuang
             Fix For: 0.10.0


Because the conf field of a default Codec does not get set when initializing a reader for
a record-compressed sequence file, a NullPointerException is thrown when attempting to create
an input stream for the default Codec as shown in the following stack trace:

java.lang.NullPointerException
	at org.apache.hadoop.io.compress.DefaultCodec.createInputStream(DefaultCodec.java:59)
	at org.apache.hadoop.io.SequenceFile$Reader.init(SequenceFile.java:1004)
	at org.apache.hadoop.io.SequenceFile$Reader.(SequenceFile.java:927)
	at org.apache.hadoop.io.SequenceFile$Reader.(SequenceFile.java:918)
	at org.apache.hadoop.mapred.SequenceFileRecordReader.(SequenceFileRecordReader.java:39)
	at org.apache.hadoop.mapred.SequenceFileInputFormat.getRecordReader(SequenceFileInputFormat.java:55)
	at org.apache.hadoop.mapred.MapTask.run(MapTask.java:180)
	at org.apache.hadoop.mapred.TaskTracker$Child.main(TaskTracker.java:1388)


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