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https://issues.apache.org/jira/browse/HBASE-19141?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16235638#comment-16235638
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Chia-Ping Tsai commented on HBASE-19141:
----------------------------------------

The reason i didn't put the fix in {{ProtobufUtil}} is that the change breaks 
the following test.
{code}
EnumSet<Option> ops = ..;
assertEquals(opts, ProtobufUtil.toOption(ProtobufUtil.toOption(ops));
{code}
Following the symmetric keeps the bug away. :) [~reidchan] WDYT?

bq. What does this mean for hbase1 clients
"hbase1 clients" is the user who tries to use the dependencies of hbase1 client 
to connect to hbase2 server.

>  [compat 1-2] getClusterStatus always return empty ClusterStatus
> ----------------------------------------------------------------
>
>                 Key: HBASE-19141
>                 URL: https://issues.apache.org/jira/browse/HBASE-19141
>             Project: HBase
>          Issue Type: Sub-task
>          Components: API
>            Reporter: Chia-Ping Tsai
>            Assignee: Chia-Ping Tsai
>            Priority: Critical
>             Fix For: 2.0.0-beta-1
>
>         Attachments: HBASE-19141.v0.patch, HBASE-19141.v1.patch
>
>
> We are able to limit the scope to get part of {{ClusterStatus}} in 2.0. 
> However the request sent by 1.x client has no specific scope info to retrieve 
> any information from {{ClusterStatus}}.



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