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https://issues.apache.org/jira/browse/HBASE-22250?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16820281#comment-16820281
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Sean Busbey commented on HBASE-22250:
-------------------------------------

-1

HConstants is still marked IA.Public and we don't want any of these things in 
the public API.

either work to make HConstants not public, or find a new gathering point. in 
general, configs are supposed to be defined near where they're used. given the 
classes involved here, maybe 
{{org/apache/hadoop/hbase/security/SecurityUtil.java}} ?

> The same constants used in many places should be placed in constant classes
> ---------------------------------------------------------------------------
>
>                 Key: HBASE-22250
>                 URL: https://issues.apache.org/jira/browse/HBASE-22250
>             Project: HBase
>          Issue Type: Improvement
>          Components: Client, conf, regionserver
>    Affects Versions: 1.2.0, 2.0.0, 2.1.1, 2.1.4
>            Reporter: lixiaobao
>            Assignee: lixiaobao
>            Priority: Minor
>             Fix For: 3.0.0
>
>         Attachments: HBASE-22250.patch, HBASE-22250_2.patch
>
>
> I think we should put these configurations in the HConstants class to avoid 
> the trouble of modifying a lot of places when we modify them later.
> {code:java}
> public static final String MASTER_KRB_PRINCIPAL = 
> "hbase.master.kerberos.principal";
> public static final String MASTER_KRB_KEYTAB_FILE = 
> "hbase.master.keytab.file";
> public static final String REGIONSERVER_KRB_PRINCIPAL = 
> "hbase.regionserver.kerberos.principal";
> public static final String REGIONSERVER_KRB_KEYTAB_FILE = 
> "hbase.regionserver.keytab.file";{code}



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