[jira] [Created] (HIVE-16529) Replace JPAM with libpam4j for PAM authentication

["Richard Ding (JIRA)" <ji...@apache.org>]

Richard Ding created HIVE-16529:
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             Summary: Replace JPAM with libpam4j for PAM authentication
                 Key: HIVE-16529
                 URL: https://issues.apache.org/jira/browse/HIVE-16529
             Project: Hive
          Issue Type: Improvement
          Components: Authentication
    Affects Versions: 1.2.0
            Reporter: Richard Ding


PAM authentication is an important feature available since Hive 0.13. But Hive blog gives the following warnings:
{quote}
JPAM library that is used to provide the PAM authentication mode can cause HiveServer2 to go down if a user's password has expired. This happens because of segfault/core dumps from native code invoked by JPAM. Some users have also reported crashes during logins in other cases as well. Use of LDAP or KERBEROS is recommended.
{quote}
​JPAM also requires user to install a native library. ​Furthermore, JPAM library seems not to have been updated since 2007.

Other Apache projects (e.g. Ambari/Ranger/Knox) use a newer library libpam4j which doesn't require installation of native library. 



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