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Posted to issues@hbase.apache.org by "Wellington Chevreuil (Jira)" <ji...@apache.org> on 2020/03/04 16:33:00 UTC
[jira] [Resolved] (HBASE-23791) [operator tools] Remove reference
to I.A. Private interface MetaTableAccessor
[ https://issues.apache.org/jira/browse/HBASE-23791?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Wellington Chevreuil resolved HBASE-23791.
------------------------------------------
Resolution: Fixed
> [operator tools] Remove reference to I.A. Private interface MetaTableAccessor
> -----------------------------------------------------------------------------
>
> Key: HBASE-23791
> URL: https://issues.apache.org/jira/browse/HBASE-23791
> Project: HBase
> Issue Type: Improvement
> Components: hbase-operator-tools
> Reporter: Wellington Chevreuil
> Assignee: Wellington Chevreuil
> Priority: Major
> Fix For: hbase-operator-tools-1.1.0
>
>
> While trying to use newly command _extraRegionsInMeta_ added by HBASE-23371, [~daisuke.kobayashi] noticed it was not working properly on some deployments not including another patch merged in HBASE-22758, that changed *MetaTableAccessor* interface:
> {noformat}
> $ hbase hbck -j hbase-operator-tools-1.0.0.1.0.0.0-11/hbase-hbck2/hbase-hbck2.jar extraRegionsInMeta -f default:cluster_test
> Regions that had no dir on the FileSystem and got removed from Meta: 0
> ERROR:
> There were following errors on at least one table thread:
> java.lang.NoSuchMethodError: org.apache.hadoop.hbase.MetaTableAccessor.deleteRegionInfos(Lorg/apache/hadoop/hbase/client/Connection;Ljava/util/List;)
> {noformat}
> Since *MetaTableAccessor* is IA Private, and HBCK2 is aimed to evolve independently of hbase project, ideally we should not rely in IA Private interfaces.
> There's already an existing *HBCKMetaTableAccessor* on hbck2, with some *MetaTableAccessor* original methods used in hbck2 re-implemented. This PR removes all dependencies to *MetaTableAccessor* currently existing in hbck2, re-implementing some of the required methods on *HBCKMetaTableAccessor*.
> Thanks for finding and reporting it, [~daisuke.kobayashi]!
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