[Solved] Given this controller method: @RequestMapping(path = "/test", method = RequestMethod.POST) public String test() { return "Success"; } What happens when a client sends a GET request to "/test"? | Spring Boot

Spring Boot - Request and Response Handling

Given this controller method:

@RequestMapping(path = "/test", method = RequestMethod.POST)
public String test() {
    return "Success";
}

What happens when a client sends a GET request to "/test"?

AThe server crashes with an exception.

BThe method runs and returns "Success".

CSpring returns a 404 Not Found error.

DSpring returns a 405 Method Not Allowed error.

Step-by-Step Solution

Solution:

Step 1: Identify the mapped HTTP method
The method is mapped only to POST requests at path "/test".
Step 2: Understand what happens on GET request
A GET request to the same path is not handled, so Spring returns 405 Method Not Allowed.
Final Answer:
Spring returns a 405 Method Not Allowed error. -> Option D
Quick Check:
GET to POST-only path = 405 error [OK]

Quick Trick: GET request to POST-only path causes 405 error [OK]

Common Mistakes:

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