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https://issues.apache.org/jira/browse/HBASE-4791?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13407389#comment-13407389
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Matteo Bertozzi commented on HBASE-4791:
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{quote}We should get away from requiring a JAAS configuration file entirely, as
the issue title implies.{quote}
This means introducing an incompatible change, is not better keeping both? just
because is a nop. If user has provided jaas from cmdline do nothing...
Other than that I agree with loginClientFromKeytab() and the ticket cache.
> Allow Secure Zookeeper JAAS configuration to be programmatically set (rather
> than only by reading JAAS configuration file)
> --------------------------------------------------------------------------------------------------------------------------
>
> Key: HBASE-4791
> URL: https://issues.apache.org/jira/browse/HBASE-4791
> Project: HBase
> Issue Type: Improvement
> Components: security, zookeeper
> Reporter: Eugene Koontz
> Assignee: Matteo Bertozzi
> Labels: security, zookeeper
> Attachments: DemoConfig.java, HBASE-4791-v1.patch
>
>
> In the currently proposed fix for HBASE-2418, there must be a JAAS file
> specified in System.setProperty("java.security.auth.login.config").
> However, it might be preferable to construct a JAAS configuration
> programmatically, as is done with secure Hadoop (see
> https://github.com/apache/hadoop-common/blob/a48eceb62c9b5c1a5d71ee2945d9eea2ed62527b/src/java/org/apache/hadoop/security/UserGroupInformation.java#L175).
> This would have the benefit of avoiding a usage of a system property setting,
> and allow instead an HBase-local configuration setting.
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