NPE in ExprNodeGenericFuncEvaluator
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Key: HIVE-2738
URL: https://issues.apache.org/jira/browse/HIVE-2738
Project: Hive
Issue Type: Bug
Affects Versions: 0.8.0
Reporter: Nicolas Lalevée
Attachments: MapMaxUDF.java, MapToJsonUDF.java, hive_job_logs.txt
Here is the query:
bq. {{SELECT t.lid, '2011-12-12',
s_map2json(s_maxmap(UNION_MAP(t.categoryCount), 100)) FROM ( SELECT theme_lid
AS theme_lid, MAP(s_host(referer), COUNT( * )) AS categoryCount FROM
PageViewEvent WHERE day >= '20130104' AND day <= '20130112' AND date_ >=
'2012-01-04' AND date_ < '2012-01-13' AND lid IS NOT NULL GROUP BY lid,
s_host(referer) ) t GROUP BY t.lid}}
Removing the call s_map2json make it work but not by removing s_maxmap, but I
don't understand what could be wrong with the implementation of my udf. And I
don't know how to debug remote hadoop jobs.
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