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Posted to issues@hbase.apache.org by "Pankaj Kumar (Jira)" <ji...@apache.org> on 2020/12/09 13:30:00 UTC
[jira] [Updated] (HBASE-25378) Legacy comparator in Hfile trailer
will fail to load
[ https://issues.apache.org/jira/browse/HBASE-25378?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Pankaj Kumar updated HBASE-25378:
---------------------------------
Fix Version/s: 3.0.0-alpha-1
Status: Patch Available (was: Open)
> Legacy comparator in Hfile trailer will fail to load
> ----------------------------------------------------
>
> Key: HBASE-25378
> URL: https://issues.apache.org/jira/browse/HBASE-25378
> Project: HBase
> Issue Type: Bug
> Affects Versions: 2.3.2, 3.0.0-alpha-1, 2.4.0
> Reporter: Pankaj Kumar
> Assignee: Pankaj Kumar
> Priority: Blocker
> Fix For: 3.0.0-alpha-1
>
>
> HBASE-24968 moved MetaCellComparator out from CellComparatorImpl to avoid the deadlock issue. But this introduced incompatibility issue, old hfile with comparator class as "org.apache.hadoop.hbase.CellComparator$MetaCellComparator" will fail to open due to ClassNotFoundException.
> Also we should also handle the case when comparator class is "org.apache.hadoop.hbase.CellComparatorImpl$MetaCellComparator", which was case before HBASE-24968.
>
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