[
https://issues.apache.org/jira/browse/HIVE-6301?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Zhiwen Sun updated HIVE-6301:
-----------------------------
Release Note: add mKey.matches() before use mKey.group(1)
Status: Patch Available (was: Open)
> get_json_object throw java.lang.IllegalStateException: No match found
> exception.
> --------------------------------------------------------------------------------
>
> Key: HIVE-6301
> URL: https://issues.apache.org/jira/browse/HIVE-6301
> Project: Hive
> Issue Type: Bug
> Affects Versions: 0.12.0, 0.11.0, 0.10.0
> Reporter: Zhiwen Sun
> Priority: Critical
>
> In fact, you can find the bug in code.
> https://github.com/apache/hive/blob/branch-0.10/ql/src/java/org/apache/hadoop/hive/ql/udf/UDFJson.java#L190
> Miss call _mKey.matches()_ before use _mKey.group(1)_
> The bug still exists in the newest version.
> So, we met such exception in some query:
> {quote}
> 2014-01-23 11:08:19,869 FATAL ExecReducer:
> org.apache.hadoop.hive.ql.metadata.HiveException: Unable to execute method
> public org.apache.hadoop.io.Text
> org.apache.hadoop.hive.ql.udf.UDFJson.evaluate(java.lang.String,java.lang.String)
> on object org.apache.hadoop.hive.ql.udf.UDFJson@c7056d5 of class
> org.apache.hadoop.hive.ql.udf.UDFJson with arguments {{ ....
> }:java.lang.String, $.6:java.lang.String} of size 2
> Caused by: java.lang.IllegalStateException: No match found
> at java.util.regex.Matcher.group(Matcher.java:468)
> at org.apache.hadoop.hive.ql.udf.UDFJson.extract(UDFJson.java:190)
> at org.apache.hadoop.hive.ql.udf.UDFJson.evaluate(UDFJson.java:154)
> ... 24 more
> {quote}
--
This message was sent by Atlassian JIRA
(v6.1.5#6160)
