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https://issues.apache.org/jira/browse/HBASE-13906?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14591031#comment-14591031
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Mikhail Antonov commented on HBASE-13906:
-----------------------------------------
If we can't change inheritance hierarchy, we probably also can't change throws
clause for methods like RegionAdminServiceCallable#getRegionLocations, which
means we would need to intercept NUCE and re-throw DNRIOE instead, right?
> Improve handling of NeedUnmanagedConnectionException
> ----------------------------------------------------
>
> Key: HBASE-13906
> URL: https://issues.apache.org/jira/browse/HBASE-13906
> Project: HBase
> Issue Type: Bug
> Affects Versions: 1.0.0, 1.1.0
> Reporter: Nick Dimiduk
> Fix For: 1.2.0
>
>
> During my investigation of HBASE-13833, I made this
> [comment|https://issues.apache.org/jira/browse/HBASE-13833?focusedCommentId=14585302&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-14585302]
> {quote}
> One other thing: should we somehow handle NeedUnmanagedConnectionException
> similarly to DoNotRetryIOException? It's too late to wire them up thusly, but
> for the case of bulk load when the bug is expressed, we go through the full
> 35x retry loop before eventually failing the RPC. This would be applicable to
> branch-1.
> {quote}
> This would apply only to branch-1 as master no longer has unmanaged
> connections. Probably we cannot change the inheritance hierarchy due to
> compatibility guarantees, but maybe we can do something like everywhere we
> look for DNRIOE, we do the same for NUCE.
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