Consider a Spring Boot application with two profiles: dev and prod. If both profiles are activated simultaneously, which of the following is true about property resolution?

medium📝 component behavior Q5 of 15

Spring Boot - Docker and Deployment

Consider a Spring Boot application with two profiles: dev and prod. If both profiles are activated simultaneously, which of the following is true about property resolution?

AProperties from both profiles merge without conflicts

BOnly the first activated profile's properties are used

CApplication throws an error due to multiple profiles

DProperties from the last activated profile override earlier ones

Step-by-Step Solution

Solution:

Step 1: Understand multiple active profiles behavior
When multiple profiles are active, Spring Boot loads properties in order and later ones override earlier ones.
Step 2: Identify how conflicts are resolved
Properties from the last profile in the list override previous ones if keys conflict.
Final Answer:
Properties from the last activated profile override earlier ones -> Option D
Quick Check:
Last profile wins on conflicts [OK]

Quick Trick: Last active profile properties override earlier ones [OK]

Common Mistakes:

Assuming properties merge without override
Expecting error on multiple profiles
Thinking only first profile applies

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More Spring Boot Quizzes

Consider a Spring Boot application with two profiles: dev and prod. If both profiles are activated simultaneously, which of the following is true about property resolution?

Step 1: Understand multiple active profiles behavior

Step 2: Identify how conflicts are resolved

Final Answer:

Quick Check:

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