[HIVE-25188] JsonSerDe: Unable to read the string value from a nested json

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Not A Problem
• Affects Version/s: 4.0.0
• Component/s: Serializers/Deserializers
• Labels: pull-request-available
• Assignee: Zhihua Deng
• Reporter: Zhihua Deng
• Created: 02/Jun/21 12:30
• Updated: 20/Sep/21 16:00
• Resolved: 04/Jun/21 02:10

Description

Steps to reproduce:
create table json_table(data string, messageid string, publish_time bigint, attributes string);
 
if the data of the table stored like:

{"data":{"H":{"event":"track_active","platform":"Android"},"B":{"device_type":"Phone","uuid":"[36ffec24-f6a4-4f5d-aa39-72e5513d2cae,11883bee-a7aa-4010-8a66-6c3c63a73f16]"}},"messageId":"2475185636801962","publish_time":1622514629783,"attributes":{"region":"IN"}}"}}

Exception will be thrown when trying to deserialize the data:
 
Caused by: java.lang.IllegalArgumentException
at com.google.common.base.Preconditions.checkArgument(Preconditions.java:108)
at org.apache.hadoop.hive.serde2.json.HiveJsonReader.visitLeafNode(HiveJsonReader.java:374)
at org.apache.hadoop.hive.serde2.json.HiveJsonReader.visitNode(HiveJsonReader.java:216)
at org.apache.hadoop.hive.serde2.json.HiveJsonReader.visitStructNode(HiveJsonReader.java:327)
at org.apache.hadoop.hive.serde2.json.HiveJsonReader.visitNode(HiveJsonReader.java:221)
at org.apache.hadoop.hive.serde2.json.HiveJsonReader.parseStruct(HiveJsonReader.java:198)
at org.apache.hadoop.hive.serde2.JsonSerDe.deserialize(JsonSerDe.java:181)

Issue Links

• relates to: HIVE-25541 JsonSerDe: TBLPROPERTY treating nested json as String
• links to: GitHub Pull Request #2341