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https://issues.apache.org/jira/browse/HADOOP-1109?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12480159
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Mahadev konar commented on HADOOP-1109:
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this does not seem like the right way to fix it. The StreamInputFormat inherits
from TextInputFormat and should not return a SequenceFileRecordReader. We
really need to merge the code for record reader and inputformat in streaming
and hadoop mainline.
> Streaming, NPE when reading sequencefile
> -----------------------------------------
>
> Key: HADOOP-1109
> URL: https://issues.apache.org/jira/browse/HADOOP-1109
> Project: Hadoop
> Issue Type: Bug
> Components: contrib/streaming
> Affects Versions: 0.11.0, 0.11.1, 0.11.2, 0.12.0
> Reporter: Koji Noguchi
> Attachments: 1109.patch
>
>
> When using StreamSequenceRecordReader, I get
> java.lang.NullPointerException
> at
> org.apache.hadoop.streaming.StreamInputFormat.getRecordReader(StreamInputFormat.java:127)
> at org.apache.hadoop.mapred.MapTask.run(MapTask.java:139)
> at
> org.apache.hadoop.mapred.TaskTracker$Child.main(TaskTracker.java:1445)
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