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https://issues.apache.org/jira/browse/HBASE-4180?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13081452#comment-13081452
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Gary Helmling commented on HBASE-4180:
--------------------------------------

@Bochun

No, unfortunately that would break the ability to compile (or run) HBase 
against non-secure Hadoop.

See the two attached patches (one for branch 0.90, one for trunk).  I assume 
you are running a 0.90 release?  Please try applying the 0.90 version of the 
patch and see if that fixes the problem for you.

I will be testing the patch as well against Hadoop 0.20.2, and a 0.20-security 
version.

> HBase should check the isSecurityEnabled flag
> ---------------------------------------------
>
>                 Key: HBASE-4180
>                 URL: https://issues.apache.org/jira/browse/HBASE-4180
>             Project: HBase
>          Issue Type: Bug
>          Components: security
>            Reporter: Bochun Bai
>            Assignee: Bochun Bai
>         Attachments: HBASE-4180.patch, HBASE-4180_0.90.patch, 
> HBASE-4180_trunk.patch
>
>
> Hadoop 0.21.0's UserGroupInfomation support the security check flag and 
> always returns false.
> HBase should check both the method existence and the return value.

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