[ATLAS-2922] REST API: Fetch Lineage with Schema Results in Error

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: trunk
• Fix Version/s: 1.2.0, 2.0.0, trunk
• Component/s: atlas-intg
• Assignee: Ashutosh Mestry
• Reporter: Ashutosh Mestry
• Due: 12/Oct/18
• Created: 15/Oct/18 22:27
• Updated: 26/Sep/19 00:38
• Resolved: 16/Oct/18 23:49

Description

Pre-requisites

From beeline create the table and view.

create table daily (c1 string, c2 string, c3 string, c4 string);

create view daily_rpt as select * from daily;

Hive-specific entities get created.

Get the GUID of the column entity.

Steps to duplicate

Use the following CURL call:

curl -X GET -u admin:admin123 -H "Content-Type: application/json" -H "Cache-Control: no-cache" http://localhost:21000/api/atlas/lineage/<guid from above>/schema

Expected output: REST API executes correctly and lineage schema is displayed.

Actual output: Following error is displayed

transfer closed with outstanding read data remaining
Part of JSON output is displayed.

Server logs show serialization error:

com.fasterxml.jackson.core.JsonGenerationException: Can not write a field name, expecting a value

      at com.fasterxml.jackson.core.JsonGenerator._reportError(JsonGenerator.java:1961)

      at com.fasterxml.jackson.core.json.UTF8JsonGenerator.writeFieldName(UTF8JsonGenerator.java:238)

      at com.fasterxml.jackson.databind.ser.BeanPropertyWriter.serializeAsField(BeanPropertyWriter.java:725)

      at com.fasterxml.jackson.databind.ser.std.BeanSerializerBase.serializeFields(BeanSerializerBase.java:719)

      at com.fasterxml.jackson.databind.ser.BeanSerializer.serialize(BeanSerializer.java:155)

      at com.fasterxml.jackson.databind.ser.impl.IndexedListSerializer.serializeContents(IndexedListSerializer.java:119)

      at

Issue Links

• links to: Review