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From "Wei-Chiu Chuang (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-21001) ReplicationObserver fails to load in HBase 2.0.0
Date Sun, 02 Sep 2018 16:24:00 GMT

    [ https://issues.apache.org/jira/browse/HBASE-21001?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16601245#comment-16601245
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Wei-Chiu Chuang commented on HBASE-21001:
-----------------------------------------

Yes thanks for the patch. That's exactly where the bug is, but I forgot to attach a patch
:)

> ReplicationObserver fails to load in HBase 2.0.0
> ------------------------------------------------
>
>                 Key: HBASE-21001
>                 URL: https://issues.apache.org/jira/browse/HBASE-21001
>             Project: HBase
>          Issue Type: Bug
>    Affects Versions: 2.0.0
>            Reporter: Wei-Chiu Chuang
>            Assignee: Guangxu Cheng
>            Priority: Major
>         Attachments: HBASE-21001.master.001.patch
>
>
> ReplicationObserver was added in HBASE-17290 to prevent "Potential loss of data for replication
of bulk loaded hfiles".
> I tried to enable bulk loading replication feature (hbase.replication.bulkload.enabled=true
and configure hbase.replication.cluster.id) on a HBase 2.0.0 cluster, but the RegionServer
started with the following error:
> {quote}
> 2018-08-02 18:20:36,365 INFO org.apache.hadoop.hbase.regionserver.RegionServerCoprocessorHost:
System coprocessor loading is enabled
> 2018-08-02 18:20:36,365 INFO org.apache.hadoop.hbase.regionserver.RegionServerCoprocessorHost:
Table coprocessor loading is enabled
> 2018-08-02 18:20:36,365 ERROR org.apache.hadoop.hbase.regionserver.RegionServerCoprocessorHost:
org.apache.hadoop.hbase.replication.regionserver.ReplicationObserver is not of type
> RegionServerCoprocessor. Check the configuration of hbase.coprocessor.regionserver.classes
> 2018-08-02 18:20:36,366 ERROR org.apache.hadoop.hbase.coprocessor.CoprocessorHost: Cannot
load coprocessor ReplicationObserver
> {quote}
> It looks like this was broken by HBASE-17732 to me, but I could be wrong. 



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