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Posted to common-issues@hadoop.apache.org by "Ayappan (JIRA)" <ji...@apache.org> on 2014/10/06 10:59:34 UTC
[jira] [Commented] (HADOOP-10846) DataChecksum#calculateChunkedSums
not working for PPC when buffers not backed by array
[ https://issues.apache.org/jira/browse/HADOOP-10846?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14160114#comment-14160114 ]
Ayappan commented on HADOOP-10846:
----------------------------------
This patch resolves so many testcase errors and failures in PPC. This patch needs to be included in the upcoming release.
> 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.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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