解决slf4j 和 logback-classic遇到的坑

<property name="LOG_HOME" value="servers/AdminServer/logs"/>

<property name="LOG_HOME" value="/servers/AdminServer/logs"/>

<dependency> 
    <groupId>org.slf4j</groupId> 
    <artifactId>slf4j-api</artifactId> 
    <version>1.7.12</version> 
</dependency> 
<dependency> 
    <groupId>org.slf4j</groupId> 
    <artifactId>jcl-over-slf4j</artifactId> 
    <version>1.7.12</version> 
</dependency> 
<dependency> 
    <groupId>ch.qos.logback</groupId> 
    <artifactId>logback-core</artifactId> 
    <version>1.1.3</version> 
</dependency> 
<dependency> 
    <groupId>ch.qos.logback</groupId> 
    <artifactId>logback-classic</artifactId> 
    <version>1.1.3</version> 
</dependency>

<?xml version="1.0" encoding="UTF-8" ?>
<configuration>
    <jmxConfigurator />
    <!-- 控制台输出日志 -->
    <appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
        <layout class="ch.qos.logback.classic.PatternLayout">
            <pattern>%d{yyyy-MM-dd HH:mm:ss.SSS} [%thread] %-5level %logger{36} -
                %msg%n</pattern>
        </layout>
    </appender>
    <!-- 文件输出日志 (文件大小策略进行文件输出，超过指定大小对文件备份) -->
    <appender name="FILE"
        class="ch.qos.logback.core.rolling.RollingFileAppender">
        <File>xxxx.log</File>
        <rollingPolicy class="ch.qos.logback.core.rolling.FixedWindowRollingPolicy">
            <FileNamePattern>xxxx.log.%i.bak</FileNamePattern>
            <MinIndex>1</MinIndex>
            <MaxIndex>12</MaxIndex>
        </rollingPolicy>
        <triggeringPolicy
            class="ch.qos.logback.core.rolling.SizeBasedTriggeringPolicy">
            <MaxFileSize>100MB</MaxFileSize>
        </triggeringPolicy>
        <layout class="ch.qos.logback.classic.PatternLayout">
            <Pattern>%d{yyyy-MM-dd HH:mm:ss.SSS} [%thread] %-5level %logger{36} -
                %msg%n</Pattern>
        </layout>
    </appender>
    <!--这里指定logger name 是为jmx设置日志级别做铺垫 -->
    <logger name="com.xxx.xxx">
        <level value="INFO" />
        <appender-ref ref="STDOUT" />
        <appender-ref ref="FILE" />
    </logger>
</configuration>

import org.slf4j.Logger;
import org.slf4j.LoggerFactory; 
class Bar { 
    Logger logger = LoggerFactory.getLogger(Bar.class); 
    public void doIt() {
        logger.debug("doing my job");
    }
}