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From Jim Green <>
Subject Hive on Tez query failed with “wrong key class"
Date Tue, 21 Jul 2015 18:12:06 GMT
Hi Team,

Env: Hive 1.0 on Tez 0.5.3
Query is a simple group-by on top of sequence table.

It fails with below error on tez mode:
org.apache.hadoop.hive.ql.metadata.HiveException: *
* wrong key class: is not class *

And it works fine in MR mode.
Anyone met this issue before?

(Open KnowledgeBase for Hadoop/Database/OS/Network/Tool)

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