Rest API - Error Handling
You want to return multiple validation errors in a REST API error response. Which JSON structure below correctly supports this?
You want to return multiple validation errors in a REST API error response. Which JSON structure below correctly supports this?
hard📝 Application Q8 of 15
Step-by-Step Solution
Solution:
Step 1: Understand the need for multiple errors
Each validation error should be clearly identified with field and message.Step 2: Analyze options
{"error": {"code": 422, "message": "Validation failed", "fieldErrors": [{"field": "email", "message": "Invalid format"}, {"field": "password", "message": "Too short"}]}} uses an array of objects withfieldandmessage, which is clear and extensible.Step 3: Evaluate other options
{"error": {"code": 422, "message": "Validation failed", "fields": {"email": "Invalid format", "password": "Too short"}}} uses a map but lacks message structure; C and D use strings that are less structured.Final Answer:
{"error": {"code": 422, "message": "Validation failed", "fieldErrors": [{"field": "email", "message": "Invalid format"}, {"field": "password", "message": "Too short"}]}} provides a structured list of field errors.Quick Check:
Is the structure clear and extensible? Yes. [OK]
Quick Trick: Use array of objects for multiple field errors [OK]
Common Mistakes:
- Using plain strings instead of structured arrays
- Not associating messages with specific fields
- Using ambiguous keys like 'details' without structure
Master "Error Handling" in Rest API
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