How Can Spring Boot Centrally Log All API Requests, Responses, and Exceptions?

Spring Boot: Logging Requests, Responses, and Exceptions Centrally

To log all API requests and responses with exceptions in a centralized location, consider leveraging Spring Boot's Actuator module.

Using Spring Boot Actuator

Spring Boot Actuator offers HTTP request logging functionality through the /trace (Spring Boot 1.x) or /actuator/httptrace (Spring Boot 2.0 ) endpoint. This endpoint enables:

• Viewing the last 100 HTTP requests
• Customizing logging behavior to record all requests
• Storing logs in a database

Dependency and Configuration

To use Actuator's request logging, include the spring-boot-starter-actuator dependency in your project. Additionally, you'll need to:

1. Whitelist Endpoints: Enable logging for the /trace or /actuator/httptrace endpoints to prevent security issues.
2. Configure Security: Consider disabling or customizing security for the logging endpoints to allow access.

Host Environment

The environment where your application runs also affects logging options. Some hosting providers, like Heroku, provide request logging services without the need for custom code.

Customizations

Actuator's request logging captures essential information, but you may want additional details. Consider implementing custom filters, interceptors, or aspects to supplement the logging data.

Conclusion

By leveraging Spring Boot Actuator and potential customizations, you can achieve centralized logging of all REST API requests, responses, and exceptions. This enables comprehensive analysis of application behavior and simplifies troubleshooting.

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