[KYLIN-3742] DataRequest fail to deserialized

• Type: Bug
• Status: Resolved
• Priority: Critical
• Resolution: Fixed
• Component/s: NRT Streaming
• Assignee: Xiaoxiang Yu
• Reporter: Xiaoxiang Yu
• Created: 26/Dec/18 11:10
• Updated: 29/Dec/18 07:15
• Resolved: 29/Dec/18 07:15

Description

DataRequest send to Streaming Receiver is cannot be deserialized successfully because of 

ParameterDesc's equals method throw a NPE for field null colRef.

 1. This Receiver Server 's error log.

 

 

2. This the request send by query server. It is a Normal JSON.

 

 

 

3. Spring MVC will try to deserialized json string into DataRequest. And filed mertics of DataRequest it is a Set.

 

 

4. HashSet use equal method to distinct entry. But equals method will throw NPE.

 

Issue Links

• links to: GitHub Pull Request #417