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https://issues.apache.org/jira/browse/HDFS-15795?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Stephen O'Donnell updated HDFS-15795:
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Summary: EC: Returned wrong checksum when reconstruction was failed by
exception (was: Returned wrong checksum when reconstruction was failed by
exception)
> EC: Returned wrong checksum when reconstruction was failed by exception
> -----------------------------------------------------------------------
>
> Key: HDFS-15795
> URL: https://issues.apache.org/jira/browse/HDFS-15795
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: datanode, ec, erasure-coding
> Reporter: Yushi Hayasaka
> Assignee: Yushi Hayasaka
> Priority: Major
> Labels: pull-request-available
> Time Spent: 40m
> Remaining Estimate: 0h
>
> If the reconstruction task is failed on StripedBlockChecksumReconstructor by
> exception, the checksum becomes wrong one because it is calculated with
> blocks except a failure one.
> It is caused by catching exception with not appropriate way. As a result, the
> failed block is not fetched again.
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