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Posted to common-issues@hadoop.apache.org by "Akira AJISAKA (JIRA)" <ji...@apache.org> on 2015/07/15 06:32:05 UTC

[jira] [Updated] (HADOOP-12081) Support Hadoop on zLinux - fix JAAS authentication issue

     [ https://issues.apache.org/jira/browse/HADOOP-12081?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Akira AJISAKA updated HADOOP-12081:
-----------------------------------
    Status: Patch Available  (was: Open)

> Support Hadoop on zLinux - fix JAAS authentication issue
> --------------------------------------------------------
>
>                 Key: HADOOP-12081
>                 URL: https://issues.apache.org/jira/browse/HADOOP-12081
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: security
>    Affects Versions: 2.6.0
>         Environment: zLinux
>            Reporter: Adam Roberts
>            Assignee: Akira AJISAKA
>              Labels: zlinux
>         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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