Bael 6011: Spring Boot Logback and Log4j2 Extensions (#13327)

spring-boot-modules/spring-boot-logging-log4j2/src/main/java/com/baeldung/extensions/SpringBootLog4j2ExtensionsApplication.java

@@ -0,0 +1,25 @@
+package com.baeldung.extensions;
+
+import org.apache.logging.log4j.LogManager;
+import org.apache.logging.log4j.Logger;
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.context.annotation.PropertySource;
+
+@SpringBootApplication
+@PropertySource("classpath:application-log4j2-extensions.properties")
+public class SpringBootLog4j2ExtensionsApplication {
+
+    private static final Logger logger = LogManager.getLogger(SpringBootLog4j2ExtensionsApplication.class);
+
+    public static void main(String[] args) {
+        SpringApplication.run(SpringBootLog4j2ExtensionsApplication.class, args);
+
+        logger.trace("Trace log message");
+        logger.debug("Debug log message");
+        logger.info("Info log message");
+        logger.error("Error log message");
+        logger.warn("Warn log message");
+        logger.fatal("Fatal log message");
+    }
+}

spring-boot-modules/spring-boot-logging-log4j2/src/main/resources/application-log4j2-extensions.properties

@@ -0,0 +1,2 @@
+logging.config=classpath:log4j2-spring.xml
+spring.application.name=log4j2-extension

spring-boot-modules/spring-boot-logging-log4j2/src/main/resources/log4j2-spring.xml

@@ -7,6 +7,11 @@
                 pattern="%style{%d{ISO8601}}{black} %highlight{%-5level }[%style{%t}{bright,blue}] %style{%C{1.}}{bright,yellow}: %msg%n%throwable" />
         </Console>
 
+        <Console name="Console-Extensions" target="SYSTEM_OUT">
+            <PatternLayout
+                pattern="%d %p %c{1.} [%t] ${spring:spring.application.name} %m%n" />
+        </Console>
+
         <RollingFile name="RollingFile"
             fileName="./logs/spring-boot-logger-log4j2.log"
             filePattern="./logs/$${date:yyyy-MM}/spring-boot-logger-log4j2-%d{-dd-MMMM-yyyy}-%i.log.gz">
@@ -37,7 +42,20 @@
         </Root>
 
         <!-- LOG "com.baeldung*" at TRACE level -->
-        <Logger name="com.baeldung" level="trace"></Logger>
+        <SpringProfile name="!development, !production">
+            <Logger name="com.baeldung" level="trace"></Logger>
+        </SpringProfile>
+
+        <SpringProfile name="development">
+            <Logger name="com.baeldung.extensions" level="debug"></Logger>
+        </SpringProfile>
+
+        <SpringProfile name="production">
+            <Logger name="com.baeldung.extensions" level="error">
+                <AppenderRef ref="Console-Extensions" />
+            </Logger>
+        </SpringProfile>
+
     </Loggers>
 
 </Configuration>

spring-boot-modules/spring-boot-logging-log4j2/src/main/resources/log4j2.system.properties

@@ -0,0 +1 @@
+log4j2.debug=true