Resolving @ ConditionalOnProperty Issues in Spring Boot

Learn how to effectively use `@ ConditionalOnProperty` in your Spring Boot application by understanding common pitfalls and finding the right solution.
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Resolving @ ConditionalOnProperty Issues in Spring Boot: A Step-by-Step Guide

Spring Boot provides a powerful way to manage application configurations using annotations. One such annotation is @ ConditionalOnProperty, which allows developers to enable or disable configuration classes based on certain properties. However, many developers encounter issues where the property is not resolved correctly, leading to frustration.

In this post, we'll explore the common problem of using @ ConditionalOnProperty in conjunction with custom property files and provide you with a clear solution to fix the issue.

Understanding the Problem

In your Spring Boot project (for example, version 2.4.4), you might try to conditionally enable a configuration class as shown below:

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Why the Issue Occurs

The Solution

1. Use Command-Line Arguments

The simplest way to include your custom properties file is to add the following command-line argument when launching your application:

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2. Conclusion

Important Notes

This solution can be utilized for multiple property files as needed.

By following these directives, you should be able to effectively resolve issues with @ ConditionalOnProperty and manage your Spring Boot configurations seamlessly. Happy coding!