[ https://issues.apache.org/jira/browse/HADOOP-10846?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14170724#comment-14170724 ]
Ayappan commented on HADOOP-10846: ---------------------------------- Lot of changes went into hadoop since the patch was attached. So the old patch no longer seem to be correct. I reworked the patch and attached a new patch named HADOOP-10846-v1.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.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 -- This message was sent by Atlassian JIRA (v6.3.4#6332)