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https://issues.apache.org/jira/browse/HADOOP-10846?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14170905#comment-14170905
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Ayappan commented on HADOOP-10846:
----------------------------------
This patch resolves checksum errors in the existing tests. So no new tests are
needed for this patch.
Findbugs warnings are not related to this patch.
> DataChecksum#calculateChunkedSums not working for PPC when buffers not backed
> by array
> --------------------------------------------------------------------------------------
>
> Key: HADOOP-10846
> URL: https://issues.apache.org/jira/browse/HADOOP-10846
> Project: Hadoop Common
> Issue Type: Bug
> Components: util
> Affects Versions: 2.2.0, 2.3.0, 2.4.0, 2.4.1
> Reporter: Jinghui Wang
> Assignee: Jinghui Wang
> Attachments: HADOOP-10846-v1.patch, HADOOP-10846-v2.patch,
> HADOOP-10846.patch
>
>
> Got the following exception when running Hadoop on Power PC. The
> implementation for computing checksum when the data buffer and checksum
> buffer are not backed by arrays.
> 13/09/16 04:06:57 ERROR security.UserGroupInformation:
> PriviledgedActionException as:biadmin (auth:SIMPLE)
> cause:org.apache.hadoop.ipc.RemoteException(java.io.IOException):
> org.apache.hadoop.fs.ChecksumException: Checksum error
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