Solving the null Value Issue when Mapping application.yml to Java Records in Spring Boot

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The Problem

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The developer created the following record to represent this configuration:

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However, upon injecting this record into another component, they discovered that productProperties inside machineProperties was null. This posed the question: Why is the value null and what is missing?

Understanding the Solution

Correct Naming Conventions

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Key Changes Made

Changed productProperties to product

Changed locationProperties to location

Rationale Behind the Changes

Conclusion

With this understanding, you can now troubleshoot similar problems in your Spring Boot applications. Always keep an eye on naming conventions and how they affect configuration binding.

Feel free to leave any comments or questions below!