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From Pradeep Agrawal <pradeepagrawal8...@gmail.com>
Subject Review Request 70761: RANGER-2397: HiveServer2 fails to start with Hive Plugin for Ranger
Date Thu, 30 May 2019 04:38:37 GMT

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This is an automatically generated e-mail. To reply, visit:
https://reviews.apache.org/r/70761/
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Review request for ranger, Ankita Sinha, bhavik patel, Gautam Borad, Abhay Kulkarni, Madhan
Neethiraj, Mehul Parikh, Nikhil P, Nitin Galave, Ramesh Mani, Sailaja Polavarapu, and Velmurugan
Periasamy.


Bugs: RANGER-2397
    https://issues.apache.org/jira/browse/RANGER-2397


Repository: ranger


Description
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**Problem Statement:**
HIVE-18777 added Authorization interface to support information_schema integration with external
authorization, but it causes the bug with Hive Plugin for Ranger. Specifically, it causes
the following error while starting HiveServer2 with the Hive Plugin, and blocks HiveServer2
to start.

java.lang.AbstractMethodError: org.apache.ranger.authorization.hive.authorizer.RangerHiveAuthorizer.getHivePolicyProvider()Lorg/apache/hadoop/hive/ql/security/authorization/plugin/HivePolicyProvider

**Solution:(provided by Junseung Hwang in the Jira)** :
Hive already has an abstract class to prevent this kind of error, so the patch just makes
RangerHiveAuthorizerBase to extend AbstractHiveAuthorizer instead of implementing HiveAuthorizer
directly.


Diffs
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  hive-agent/src/main/java/org/apache/ranger/authorization/hive/authorizer/RangerHiveAuthorizerBase.java
afc57b2e8 


Diff: https://reviews.apache.org/r/70761/diff/1/


Testing
-------

Tested Ranger build with this patch.


Thanks,

Pradeep Agrawal


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