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Posted to issues@hbase.apache.org by "stack (JIRA)" <ji...@apache.org> on 2018/03/21 06:53:00 UTC
[jira] [Commented] (HBASE-20237) Put back getClosestRowBefore and
throw UnknownProtocolException instead... for asynchbase client
[ https://issues.apache.org/jira/browse/HBASE-20237?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16407524#comment-16407524 ]
stack commented on HBASE-20237:
-------------------------------
.002 improve the exception message.
> Put back getClosestRowBefore and throw UnknownProtocolException instead... for asynchbase client
> ------------------------------------------------------------------------------------------------
>
> Key: HBASE-20237
> URL: https://issues.apache.org/jira/browse/HBASE-20237
> Project: HBase
> Issue Type: Bug
> Components: compatibility, Operability
> Reporter: stack
> Assignee: stack
> Priority: Major
> Fix For: 2.0.0
>
> Attachments: HBASE-20237.branch-2.001.patch, HBASE-20237.branch-2.002.patch
>
>
> asychbase can work against all hbase versions. This fact has saved us a few times; e.g. LINE were able to migrate from 0.94 to 1.2 going in part via asynchbase and its ability to work against all servers.
> hbase2 breaks this ability of asynchbase. There is nothing for asynchbase to figure definitively that it is talking to an hbase2 server (See HBASE-20225). Lets add back something it can leverage. HBASE-13954 did a nice job purging getClosestRowBefore. Lets put back an RPC stuff that throws an exception if it gets called. Thats enough for asynchbase.
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