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Posted to common-issues@hadoop.apache.org by "Hudson (JIRA)" <ji...@apache.org> on 2015/07/21 04:35:05 UTC

[jira] [Commented] (HADOOP-12081) Fix UserGroupInformation.java to support 64-bit zLinux

    [ https://issues.apache.org/jira/browse/HADOOP-12081?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14634432#comment-14634432 ] 

Hudson commented on HADOOP-12081:
---------------------------------

FAILURE: Integrated in Hadoop-trunk-Commit #8188 (See [https://builds.apache.org/job/Hadoop-trunk-Commit/8188/])
HADOOP-12081. Fix UserGroupInformation.java to support 64-bit zLinux. (aajisaka) (aajisaka: rev 773c670943757681feeafb227a2d0c29d48f38f1)
* hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/security/UserGroupInformation.java
* hadoop-common-project/hadoop-common/CHANGES.txt


> Fix UserGroupInformation.java to support 64-bit zLinux
> ------------------------------------------------------
>
>                 Key: HADOOP-12081
>                 URL: https://issues.apache.org/jira/browse/HADOOP-12081
>             Project: Hadoop Common
>          Issue Type: Improvement
>          Components: security
>    Affects Versions: 2.6.0
>         Environment: zLinux
>            Reporter: Adam Roberts
>            Assignee: Akira AJISAKA
>              Labels: zlinux
>             Fix For: 2.8.0
>
>         Attachments: HADOOP-12081.001.patch
>
>
> Currently the 64 bit check in security/UserGroupInformation.java uses os.arch and checks for "64". s390x is returned on IBM's z platform: s390x is 64 bit. Without this change, if we try to use HDFS with Spark, we get a fatal error (unable to login as we can't find a login class).
> This address fixes said issue by identifying s390x as a 64 bit platform and thus allowing Spark to run on zLinux. A simple fix with very big implications!



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