log4j2 , logback 설정

pom.xml 에서 log4j -> log4j2 설정 방법

- log4j2 dependency 추가

    <dependency>
        <groupId>org.slf4j</groupId>
        <artifactId>slf4j-api</artifactId>
        <version>1.7.30</version>
    </dependency>
    <dependency>
        <groupId>org.apache.logging.log4j</groupId>
        <artifactId>log4j-api</artifactId>
        <version>2.12.1</version>
    </dependency>
    <dependency>
        <groupId>org.apache.logging.log4j</groupId>
        <artifactId>log4j-core</artifactId>
        <version>2.12.1</version>
    </dependency>
    <dependency>
        <groupId>org.apache.logging.log4j</groupId>
        <artifactId>log4j-slf4j-impl</artifactId>
        <version>2.12.1</version>
    </dependency>

- log4j2.xml 추가

<?xml version="1.0" encoding="UTF-8"?>
<Configuration>

    <Appenders>
        <Console name="STDOUT" target="SYSTEM_OUT">
            <PatternLayout pattern="%-5p | %d{yyyy-MM-dd HH:mm:ss} | [%t] %C{2} (%F:%L) - %m%n"/>
        </Console>
    </Appenders>

    <Loggers>
        <Root level="info">
            <AppenderRef ref="STDOUT"/>
        </Root>
    </Loggers>

</Configuration>

 

pom.xml 에서 log4j -> logback 설정 방법

- logback 관련 dependecy 추가

    <dependency>
        <groupId>ch.qos.logback</groupId>
        <artifactId>logback-core</artifactId>
        <version>1.2.3</version>
    </dependency>
    <dependency>
        <groupId>ch.qos.logback</groupId>
        <artifactId>logback-classic</artifactId>
        <version>1.2.3</version>
    </dependency>
    <dependency>
        <groupId>org.slf4j</groupId>
        <artifactId>slf4j-api</artifactId>
        <version>1.7.30</version>
    </dependency>

- mvn dependency:tree 로 log4j, slf4j 관련 dependency 를 찾아서 exclusion 처리

 

- logback.xml 추가

<?xml version="1.0" encoding="UTF-8"?>
<configuration>

    <appender name="STD_OUTPUT" class="ch.qos.logback.core.ConsoleAppender">
        <encoder>
            <pattern>%d{HH:mm:ss.SSS} [%thread] %-5level %logger{36} - %msg%n</pattern>
        </encoder>
    </appender>

    <root>
        <level value="INFO" />
        <appender-ref ref="STD_OUTPUT" />
    </root>

</configuration>