[ http://issues.apache.org/jira/browse/HADOOP-695?page=all ]
Hairong Kuang updated HADOOP-695:
---------------------------------
Attachment: NPE.patch
This patch avoids a NPE by performing a null pointer check before the pointer
is read.
> Unexpected NPE from the next method of StreamLineRecordReader fails
> map/reduce jobs
> -----------------------------------------------------------------------------------
>
> Key: HADOOP-695
> URL: http://issues.apache.org/jira/browse/HADOOP-695
> Project: Hadoop
> Issue Type: Bug
> Components: contrib/streaming
> Affects Versions: 0.8.0
> Reporter: Hairong Kuang
> Assigned To: Hairong Kuang
> Fix For: 0.8.1
>
> Attachments: NPE.patch
>
>
> For some reason that I do not have much idea, if input of a map/reduce job is
> gzipped, an unexpected null pointer may be returned from
> UTF8ByteArrayUtils.readline in the next method of StreamLineRecordReader.
> However the pointer is read before a null pointer check is performed. Thus a
> NPE may be thrown and fail the job.
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