Migrate SpingBoot Application

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To migrate your Spring Boot application from version 3.1.0 to 3.4.3, here are the steps you can follow:

Review Release Notes:
Go through the Spring Boot release notes for versions 3.2.x, 3.3.x, and 3.4.x to understand new features, deprecations, and breaking changes.

Update Dependencies:
Modify your pom.xml (Maven) or build.gradle (Gradle) file to update the Spring Boot version to 3.4.3.
Ensure all dependencies are compatible with Spring Boot 3.4.3.
Check for any version-specific changes in libraries like Spring Security, Hibernate, etc.

Check Configuration Properties:
Some configuration properties might have been renamed or removed.
Use the spring-boot-properties-migrator dependency to identify and migrate these properties.

Upgrade Java Version:
Spring Boot 3.x requires Java 17 or higher.
Ensure your application is running on a compatible Java version.

Update Build Tools:
If you're using tools like Maven or Gradle, ensure they are updated to the latest versions to support Spring Boot 3.4.3.

Test Your Application:
Run your application locally and ensure all functionalities work as expected.
Update your test cases to cover any new features or changes introduced in Spring Boot 3.4.3.

Deploy and Monitor:
Deploy the updated application to your staging environment first.
Monitor logs and performance metrics to ensure stability before deploying to production.

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