[Solved] You have two configuration files: application.properties and application-prod.properties. You want to run the app with the prod profile but the app still uses settings from application.properties.... | Spring Boot

Spring Boot - Application Configuration

You have two configuration files: application.properties and application-prod.properties. You want to run the app with the prod profile but the app still uses settings from application.properties. What is the likely cause?

ASpring Boot does not support multiple configuration files.

BThe <code>application-prod.properties</code> file is missing a required property.

CThe app needs to be restarted twice to apply profiles.

DThe <code>spring.profiles.active</code> property is not set to <code>prod</code>.

Step-by-Step Solution

Solution:

Step 1: Check profile activation
Spring Boot uses spring.profiles.active to select which profile config to load.
Step 2: Identify cause of fallback
If spring.profiles.active is not set to prod, the app uses default application.properties.
Final Answer:
The spring.profiles.active property is not set to prod. -> Option D
Quick Check:
Profile must be activated to load its config [OK]

Quick Trick: Activate profile with spring.profiles.active [OK]

Common Mistakes:

Assuming file presence auto-activates profile
Thinking missing properties cause fallback
Believing multiple config files are unsupported

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More Spring Boot Quizzes

What is the likely cause?

Step 1: Check profile activation

Step 2: Identify cause of fallback

Final Answer:

Quick Check:

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