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Spring Boot by default uses Logback implementation for logging.
Logback is included into every Spring Boot Starter therefore no additional configuration is needed for basic logging.
Inside the Code we will use slf4j API to log Events and slf4j will froward these API calls to Logback.
Application Schema [Results]
Spring Boot Starters
GROUP
DEPENDENCY
DESCRIPTION
Web
Spring Web
Enables: @RequestMapping, Tomcat Server
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Create Project: springboot_log (add Spring Boot Starters from the table)
Create Package: controllers (inside main package)
– Create Class: MyController.java (inside controllers package)
MyController.java
package com.ivoronline.springboot_log.controllers;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.ResponseBody;
import org.springframework.web.bind.annotation.RequestMapping;
@Controller
public class MyController {
Logger log = LoggerFactory.getLogger(MyController.class);
@ResponseBody
@RequestMapping("/Hello")
public String hello() {
log.info("Hello from Controller");
return "Hello from Controller";
}
}
hello()
MyController
http://localhost:8080/Hello
Tomcat
Browser
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http://localhost:8080/Hello
Console
2021-03-16 08:59:53.267 INFO 14180 - [nio-8080-exec-2] c.i.s.controllers.MyController : Hello from Controller
Application Structure
pom.xml
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
</dependencies>
