You ran openapi-generator-cli generate -i api.yaml -g springboot -o ./client but got an error: Unknown generator: springboot. What is the likely cause?

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Spring Boot - API Documentation

You ran openapi-generator-cli generate -i api.yaml -g springboot -o ./client but got an error: Unknown generator: springboot. What is the likely cause?

AYou need to install Java separately.

BThe input file 'api.yaml' is missing.

CYou used the wrong generator name 'springboot' instead of 'spring'.

DThe output folder './client' already exists.

Step-by-Step Solution

Solution:

Step 1: Check the error message details
The error says 'Unknown generator: springboot', indicating the generator name is invalid.
Step 2: Verify correct generator name for Spring client
The correct generator is 'spring', not 'springboot'. Using 'springboot' causes this error.
Final Answer:
You used the wrong generator name 'springboot' instead of 'spring'. -> Option C
Quick Check:
Error 'Unknown generator' = wrong generator name [OK]

Quick Trick: Check generator name spelling carefully [OK]

Common Mistakes:

Typing 'springboot' instead of 'spring'
Ignoring error details
Assuming missing input file causes this error

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You ran openapi-generator-cli generate -i api.yaml -g springboot -o ./client but got an error: Unknown generator: springboot. What is the likely cause?

Step 1: Check the error message details

Step 2: Verify correct generator name for Spring client

Final Answer:

Quick Check:

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