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https://issues.apache.org/jira/browse/PHOENIX-5902?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Istvan Toth reassigned PHOENIX-5902:
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Assignee: Istvan Toth
> Document or fix new compat jar behavior.
> ----------------------------------------
>
> Key: PHOENIX-5902
> URL: https://issues.apache.org/jira/browse/PHOENIX-5902
> Project: Phoenix
> Issue Type: Bug
> Affects Versions: 5.1.0, 4.16.0
> Reporter: Lars Hofhansl
> Assignee: Istvan Toth
> Priority: Blocker
> Fix For: 5.1.0, 4.16.0
>
>
> After PHOENIX-5808 (I think), the compat classes are no longer included in
> Phoenix' server jar.
> This causes the HBase regionservers to fail with:
> 2020-05-15 15:35:36,098 FATAL [RS_OPEN_PRIORITY_REGION-host:16201-1]
> regionserver.HRegionServer: ABORTING region server think,16201,1589581955446:
> The coprocessor
> org.apache.phoenix.coprocessor.UngroupedAggregateRegionObserver threw
> java.lang.NoClassDefFoundError:
> org/apache/phoenix/compat/hbase/CompatRpcControllerFactory
> It is now necessary to copy
> lib/phoenix-hbase-compat-1.5.0-4.16.0-SNAPSHOT.jar into HBase's lib directory
> as well.
> The jar in the Phoenix directory is called:
> phoenix-server-4.16.0-SNAPSHOT-hbase-1.5.jar, so I do not see why it could
> not include the compatibility classes.
> Alternatively we can rename that jar to just
> phoenix-server-4.16.0-SNAPSHOT.jar and place the compatbility jar in Phoenix'
> top level directory and document the change.
> (Of course a release would not have SNAPSHOT in the name...)
> Marking as blocker for 4.16.0, because as is, it will bring HBase down hard
> upon upgrade if this is not kept in mind.
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