[ http://issues.apache.org/jira/browse/HADOOP-835?page=all ]
Doug Cutting updated HADOOP-835:
--------------------------------
Status: Resolved (was: Patch Available)
Resolution: Fixed
I just committed this. Thanks, Hairong!
> 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
>
> Attachments: default_codec.patch
>
>
> 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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