Istvan Toth created HIVE-25101:
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Summary: Remove HBase libraries from HBase distribution
Key: HIVE-25101
URL: https://issues.apache.org/jira/browse/HIVE-25101
Project: Hive
Issue Type: Improvement
Components: HBase Handler, Hive
Affects Versions: 4.0.0
Reporter: Istvan Toth
Assignee: Istvan Toth
Hive currently packages HBase libraries into its lib directory.
It also adds the HBase libraries separately to its classpath in the hive
startup script.
Having both mechanisms is redundant, and it also causes errors, as the standard
HBase libraries packaged into Hive are unshaded, while the libraries added by
_hbase mapredcp_
are shaded, and the two are NOT compatible when custom coprocessors are used,
and in some cases the classpaths during local execution and for MR/TEZ jobs are
mutually incompatible.
I propose removing all HBase libraries from the distribution, and pulling them
via the hbase mapredcp mechanism.
This also solves the old problem of including ancient HBase alpha versions Hive.
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