Adam Roberts created HADOOP-12081:
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Summary: 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
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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