[HIVE-10089] RCFile: lateral view explode caused ConcurrentModificationException

• Type: Bug
• Status: Open
• Priority: Major
• Resolution: Unresolved
• Affects Version/s: 1.2.0
• Assignee: Selina Zhang
• Reporter: Selina Zhang
• Created: 25/Mar/15 18:41
• Updated: 01/Oct/15 15:29

Description

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

Issue Links

• contains: HIVE-2540 LATERAL VIEW with EXPLODE produces ConcurrentModificationException
• duplicates: HIVE-10088 RCFIle: Lateral view with explode throws ConcurrentModificationException