Use logback alone as log

Article directory

• • Introducing logback dependencies
  • logback.xml
  • test

For specific configuration, please refer to: LogBack log learning (comprehensive)

Actual use of logback
Actual use of log4j
Actual use of log4j2

Logback of Java logging system
Java logging system Slf4j
Java logging system Log4j

Springboot logback specifies to block certain types of logs. I have tolerated these annoying logs for a long time!

Introducing logback dependencies

<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"
         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
    <modelVersion>4.0.0</modelVersion>

    <groupId>quartz-test01</groupId>
    <artifactId>com.zzhua</artifactId>
    <version>1.0-SNAPSHOT</version>

    <dependencies>
        <dependency>
            <groupId>org.quartz-scheduler</groupId>
            <artifactId>quartz</artifactId>
            <version>2.3.0</version>
        </dependency>
        <dependency>
            <groupId>org.projectlombok</groupId>
            <artifactId>lombok</artifactId>
            <version>1.18.0</version>
        </dependency>

        <!-- Using logback-classic-1.2.3 version will print logback's own log information on the console. If you don't like it, use version 1.1.2 instead -->
        <!--<dependency>
            <groupId>org.slf4j</groupId>
            <artifactId>slf4j-api</artifactId>
            <version>1.7.26</version>
        </dependency>

        <dependency>
            <groupId>ch.qos.logback</groupId>
            <artifactId>logback-classic</artifactId>
            <version>1.2.3</version>
        </dependency>-->

        <dependency>
            <groupId>ch.qos.logback</groupId>
            <artifactId>logback-classic</artifactId>
            <version>1.1.2</version>
        </dependency>
        <dependency>
            <groupId>ch.qos.logback</groupId>
            <artifactId>logback-core</artifactId>
            <version>1.1.2</version>
        </dependency>
        <dependency>
            <groupId>org.slf4j</groupId>
            <artifactId>slf4j-api</artifactId>
            <version>1.7.25</version>
        </dependency>

    </dependencies>


</project>

logback.xml

<!-- Logback configuration. See http://logback.qos.ch/manual/index.html -->
<configuration scan="true" scanPeriod="10 seconds">

    <property name="APP_NAME" value="app"/>
    <property name="PATTERN" value="[?te{yyyy-MM-dd HH:mm:ss}] [%-5level] [%t] %logger{30} [%line] - %msg%n" />

    <!-- Console output -->
    <appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
        <encoder>
            <pattern>${PATTERN}</pattern>
            <charset>UTF-8</charset>
        </encoder>
    </appender>


    <!-- Full output, used for Admin monitoring logs -->
    <appender name="MONITOR_FILE" class="ch.qos.logback.core.FileAppender">
        <encoder>
            <pattern>${PATTERN}</pattern>
            <charset>UTF-8</charset>
        </encoder>
        <file>logs/${APP_NAME}.log</file>
        <prudent>true</prudent>
    </appender>

    <!-- Record INFO log -->
    <appender name="INFO_FILE" class="ch.qos.logback.core.rolling.RollingFileAppender">
        <encoder>
            <pattern>${PATTERN}</pattern>
            <charset>UTF-8</charset>
        </encoder>
        <filter class="ch.qos.logback.classic.filter.LevelFilter">
            <level>INFO</level>
            <onMatch>ACCEPT</onMatch>
            <onMismatch>DENY</onMismatch>
        </filter>
        <rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
            <fileNamePattern>${APP_NAME}/logs/info-${APP_NAME}-%d{yyyy-MM-dd}.%i.log</fileNamePattern>
            <timeBasedFileNamingAndTriggeringPolicy class="ch.qos.logback.core.rolling.SizeAndTimeBasedFNATP">
                <maxFileSize>32 MB</maxFileSize>
            </timeBasedFileNamingAndTriggeringPolicy>
        </rollingPolicy>
        <prudent>true</prudent>
    </appender>

    <!-- Record WARN log -->
    <appender name="WARN_FILE" class="ch.qos.logback.core.rolling.RollingFileAppender">
        <encoder>
            <pattern>${PATTERN}</pattern>
            <charset>UTF-8</charset>
        </encoder>
        <filter class="ch.qos.logback.classic.filter.LevelFilter">
            <level>WARN</level>
            <onMatch>ACCEPT</onMatch>
            <onMismatch>DENY</onMismatch>
        </filter>
        <rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
            <fileNamePattern>${APP_NAME}/logs/warn-${APP_NAME}-%d{yyyy-MM-dd}.%i.log</fileNamePattern>
            <timeBasedFileNamingAndTriggeringPolicy class="ch.qos.logback.core.rolling.SizeAndTimeBasedFNATP">
                <maxFileSize>32 MB</maxFileSize>
            </timeBasedFileNamingAndTriggeringPolicy>
        </rollingPolicy>
        <prudent>true</prudent>
    </appender>

    <!-- Record DEBUG log -->
    <appender name="DEBUG_FILE" class="ch.qos.logback.core.rolling.RollingFileAppender">
        <encoder>
            <pattern>${PATTERN}</pattern>
            <charset>UTF-8</charset>
        </encoder>
        <filter class="ch.qos.logback.classic.filter.LevelFilter">
            <level>DEBUG</level>
            <onMatch>ACCEPT</onMatch>
            <onMismatch>DENY</onMismatch>
        </filter>
        <rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
            <fileNamePattern>${APP_NAME}/logs/debug-${APP_NAME}-%d{yyyy-MM-dd}.%i.log</fileNamePattern>
            <timeBasedFileNamingAndTriggeringPolicy class="ch.qos.logback.core.rolling.SizeAndTimeBasedFNATP">
                <maxFileSize>32 MB</maxFileSize>
            </timeBasedFileNamingAndTriggeringPolicy>
        </rollingPolicy>
        <prudent>true</prudent>
    </appender>

    <!-- Record ERROR log -->
    <appender name="ERROR_FILE" class="ch.qos.logback.core.rolling.RollingFileAppender">
        <encoder>
            <pattern>${PATTERN}</pattern>
            <charset>UTF-8</charset>
        </encoder>
        <filter class="ch.qos.logback.classic.filter.LevelFilter">
            <level>ERROR</level>
            <onMatch>ACCEPT</onMatch>
            <onMismatch>DENY</onMismatch>
        </filter>
        <rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
            <fileNamePattern>${APP_NAME}/logs/error-${APP_NAME}-%d{yyyy-MM-dd}.%i.log</fileNamePattern>
            <timeBasedFileNamingAndTriggeringPolicy class="ch.qos.logback.core.rolling.SizeAndTimeBasedFNATP">
                <maxFileSize>32 MB</maxFileSize>
            </timeBasedFileNamingAndTriggeringPolicy>
        </rollingPolicy>
        <prudent>true</prudent>
    </appender>

    <root level="INFO">
        <appender-ref ref="STDOUT" />
        <appender-ref ref="MONITOR_FILE" />
    </root>

    <logger name="com.zzhua.test01.Test01" />
    
    <!-- All logs in Test02 will not be printed because additivity is set to false and will not be passed to the parent logger -->
    <logger name="com.zzhua.test01.Test02" additivity="false"/>

<!-- Turn off log printing in the HelloJob class -->
    <logger name="com.zzhua.test01.HelloJob" level="OFF" additivity="false"/>
\t
</configuration>

Test

@Slf4j
public class Test02 {<!-- -->

    public static void main(String[] args) throws SchedulerException {<!-- -->

        log.debug("debug");
        log.info("info");
        log.warn("warn");
        log.error("error");

    }
}