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https://issues.apache.org/jira/browse/HDFS-679?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Hairong Kuang updated HDFS-679:
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Summary: Appending to a partial chunk incorrectly assumes the first packet
fills up the partial chunk (was: Block receiver unexpectedly throws an
IOException complaining mismatched checksum)
> Appending to a partial chunk incorrectly assumes the first packet fills up
> the partial chunk
> --------------------------------------------------------------------------------------------
>
> Key: HDFS-679
> URL: https://issues.apache.org/jira/browse/HDFS-679
> Project: Hadoop HDFS
> Issue Type: Bug
> Affects Versions: 0.21.0
> Reporter: Hairong Kuang
> Assignee: Hairong Kuang
> Fix For: 0.21.0
>
> Attachments: appendToPartialChunk.patch, appendToPartialChunk1.patch
>
>
> When I run TestClientProtocolForPipelineRecovery, I always see that the block
> receiver throws IOException complaining about mismatched checksum when
> receiving the last data packet. It turns out the checksum of last packet was
> unexpectedly set to be zero.
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