[ 
https://issues.apache.org/jira/browse/HBASE-14239?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14709684#comment-14709684
 ] 

stack commented on HBASE-14239:
-------------------------------

This is brittle:

{code}
191         if (param instanceof 
RegionServerStatusProtos.ReportRegionStateTransitionRequest) {
192           return true;
193         }
194         if (param instanceof 
RegionServerStatusProtos.RegionServerStartupRequest) {
195           return true;
196         }
197         if (param instanceof 
RegionServerStatusProtos.RegionServerReportRequest) {
{code}

... but the method at its head asks if there is a better way to do this (figure 
if a 'write').

+1 given it passed your test run

You are running zk-less on 1.2 branch but meta is not colocated?

> Branch-1.2 AM can get stuck when meta moves
> -------------------------------------------
>
>                 Key: HBASE-14239
>                 URL: https://issues.apache.org/jira/browse/HBASE-14239
>             Project: HBase
>          Issue Type: Sub-task
>          Components: Region Assignment
>    Affects Versions: 1.2.0
>            Reporter: Elliott Clark
>            Assignee: Elliott Clark
>             Fix For: 1.2.0
>
>         Attachments: HBASE-14239-v1.patch, HBASE-14239.patch
>
>
> When regions are moving master can get totally stuck trying to talk to meta.



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