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https://issues.apache.org/jira/browse/ACCUMULO-1286?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13806428#comment-13806428
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Christopher Tubbs commented on ACCUMULO-1286:
---------------------------------------------

I was under the impression that this method existed before queued fail-over 
masters existed, in order to support multiple active masters, if that ever were 
to become a thing.

In any case, active masters is certainly that is the current semantics. So, 
rather addressing it as a bug, we should probably discuss the merits of 
changing the semantics (vs. adding an additional mechanism to view the 
fail-over masters). What is the use-case for getting the fail-over master 
locations from this API call? Can that use case be satisfied with another 
method called, "getBackupMasterLocations" or similar without changing current 
semantics? If so, are there reasons we'd prefer not to choose that option?

> getMasterLocations never returns more than one master
> -----------------------------------------------------
>
>                 Key: ACCUMULO-1286
>                 URL: https://issues.apache.org/jira/browse/ACCUMULO-1286
>             Project: Accumulo
>          Issue Type: Bug
>          Components: client
>    Affects Versions: 1.4.3, 1.5.0, 1.6.0
>            Reporter: Eric Newton
>            Priority: Minor
>             Fix For: 1.7.0
>
>
> ZooKeeperInstance always returns an empty list, or whoever has the zookeeper 
> lock.



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