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https://issues.apache.org/jira/browse/PHOENIX-1245?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14127349#comment-14127349
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Jesse Yates commented on PHOENIX-1245:
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The analysis here is correct - it so we keep the WALEdit around for the second
CP call. But since the HBase API changed, we should be good. However, we have
to be careful that we maintain backwards compatibility with older versions of
HBase
> Remove usage of empty KeyValue object BATCH_MARKER from Indexer
> ---------------------------------------------------------------
>
> Key: PHOENIX-1245
> URL: https://issues.apache.org/jira/browse/PHOENIX-1245
> Project: Phoenix
> Issue Type: Improvement
> Affects Versions: 4.0.0, 5.0.0
> Reporter: Anoop Sam John
> Assignee: Anoop Sam John
> Priority: Critical
> Fix For: 5.0.0, 4.2
>
>
> This is added to WALEdit in one CP hook and removed in a later CP hook. But
> not really used.
> Now after HBASE-11805, the removal won't really happen. Later this empty KV
> is used in other part of HBase core code and resulting in NPE as the bytes
> ref in this KV is null.
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