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https://issues.apache.org/jira/browse/HBASE-21838?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16761369#comment-16761369
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Sergey Shelukhin commented on HBASE-21838:
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Well, for the original problem it's enough to get a few column family names. 
Although some cells randomly manage to look valid for these calls, most won't. 
See where the exceptions in the original jira happen - isMetaEdit/etc.

> Create a special ReplicationEndpoint just for verifying the WAL entries are 
> fine
> --------------------------------------------------------------------------------
>
>                 Key: HBASE-21838
>                 URL: https://issues.apache.org/jira/browse/HBASE-21838
>             Project: HBase
>          Issue Type: Sub-task
>            Reporter: Duo Zhang
>            Assignee: Duo Zhang
>            Priority: Major
>             Fix For: 3.0.0, 2.2.0, 2.3.0
>
>         Attachments: HBASE-21838.patch
>
>
> This is a missing part in our ITBLL. We can config a dummy replication 
> endpoint which replicates nothing but only reads and verifies that all the 
> wal files are readable and the entries are all fine.
> With this I think it will be much easier to catch the problem in the parent 
> issue.



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