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From "Nemon Lou (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-12616) NullPointerException when spark session is reused to run a mapjoin
Date Tue, 08 Dec 2015 12:22:10 GMT

    [ https://issues.apache.org/jira/browse/HIVE-12616?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15046799#comment-15046799
] 

Nemon Lou commented on HIVE-12616:
----------------------------------

Another finding.Setting spark.master explicitly can also fix this.
"set spark.master=yarn-cluster;"
I used to use a spark-defaults.conf on HiveServer2 side ,which contains "spark.master = yarn-cluster".

> NullPointerException when spark session is reused to run a mapjoin
> ------------------------------------------------------------------
>
>                 Key: HIVE-12616
>                 URL: https://issues.apache.org/jira/browse/HIVE-12616
>             Project: Hive
>          Issue Type: Bug
>          Components: Spark
>    Affects Versions: 1.3.0
>            Reporter: Nemon Lou
>            Assignee: Xuefu Zhang
>
> The way to reproduce:
> {noformat}
> set hive.execution.engine=spark;
> create table if not exists test(id int);
> create table if not exists test1(id int);
> insert into test values(1);
> insert into test1 values(1);
> select max(a.id) from test a ,test1 b
> where a.id = b.id;
> {noformat}



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