A composite operation request fails with a 400 Bad Request error. The JSON is valid, but the server says: "Unknown method 'PUTT' in operation." What is the problem?

medium📝 Debug Q7 of 15

Rest API - Advanced Patterns

AThe server does not allow composite operations.

BThe path in the operation is incorrect.

CThe HTTP method 'PUTT' is misspelled and invalid.

DThe request body is missing.

Step-by-Step Solution

Solution:

Step 1: Analyze error message
The error says 'Unknown method PUTT', indicating a typo in the HTTP method.
Step 2: Confirm other options
Path errors or missing body cause different errors; server support issues would be different status codes.
Final Answer:
The HTTP method 'PUTT' is misspelled and invalid. -> Option C
Quick Check:
Invalid method typo = PUTT [OK]

Quick Trick: Check HTTP method spelling carefully [OK]

Common Mistakes:

MISTAKES

Assuming path errors cause method unknown
Ignoring typo in method name
Confusing server support with syntax errors

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A composite operation request fails with a 400 Bad Request error. The JSON is valid, but the server says: "Unknown method 'PUTT' in operation." What is the problem?

Step 1: Analyze error message

Step 2: Confirm other options

Final Answer:

Quick Check:

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