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I would like to use Project Lombok's log annotation in my Spring Boot projects but I don't want to lose the functionality of being able to change the logging from the application.properties.
The Spring logging docs aren't overly clear on what the default logging implementation should be used, and there are 7 Lombok choices!
Any ideas?
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Lombok's @Slf4j generates a logger instance with default name log using the SLF4J API. Note that we must also include a library that implements the Slf4j API.
Annotation Type Slf4jCauses lombok to generate a logger field. Complete documentation is found at the project lombok features page for lombok log annotations. This annotation is valid for classes and enumerations.
Lombok is a build-time only dependency; there is no need for lombok. jar to be available when your application is run, it just needs to be there when you compile your code. Therefore, lombok is highly unlikely to be a source of security vulnerabilities.
I would use @Slf4j. Tested the following and it works as expected.
@SpringBootApplication @Slf4j public class DemoApplication { public static void main(String[] args) { SpringApplication.run(DemoApplication.class, args); log.info("testing logging with lombok"); } } Then you can change the logging level as described here.
logging.level.com.example.DemoApplication=WARN Note: Below clarifies that SLF4J is correctly handled but point is made in last 5 words!
From the docs:
Default configurations are provided for Java Util Logging, Log4J2 and Logback." ... "By default, If you use the ‘Starters’, Logback will be used for logging. Appropriate Logback routing is also included to ensure that dependent libraries that use Java Util Logging, Commons Logging, Log4J or SLF4J will all work correctly.
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