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https://issues.apache.org/jira/browse/HIVE-10089?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14939007#comment-14939007
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Ashutosh Chauhan commented on HIVE-10089:
-----------------------------------------
+1
> RCFile: lateral view explode caused ConcurrentModificationException
> -------------------------------------------------------------------
>
> Key: HIVE-10089
> URL: https://issues.apache.org/jira/browse/HIVE-10089
> Project: Hive
> Issue Type: Bug
> Affects Versions: 1.2.0
> Reporter: Selina Zhang
> Assignee: Selina Zhang
> Attachments: HIVE-10089.1.patch
>
>
> CREATE TABLE test_table123 (a INT, b MAP<STRING, STRING>) STORED AS RCFILE;
> INSERT OVERWRITE TABLE test_table123 SELECT 1, MAP("a1", "b1", "c1", "d1")
> FROM src LIMIT 1;
> The following query will lead to ConcurrentModificationException
> SELECT * FROM (SELECT b FROM test_table123) t1 LATERAL VIEW explode(b) x AS
> b,c LIMIT 1;
> Failed with exception
> java.io.IOException:java.util.ConcurrentModificationException
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