logback只输出WARN级别的日志

<appender name="compare" class="ch.qos.logback.core.rolling.RollingFileAppender">
    <File>${catalina.base}/logs/sec-firewall_compare.log</File>
    <encoder class="ch.qos.logback.classic.encoder.PatternLayoutEncoder">
        <!--格式化输出：%d表示日期，%thread表示线程名，%-5level：级别从左显示5个字符宽度%msg：日志消息，%n是换行符-->
        <pattern>%d{yyyy-MM-dd HH:mm:ss.SSS} [%thread] %-5level %logger{0} - %msg%n</pattern>
    </encoder>
    <filter class="ch.qos.logback.classic.filter.ThresholdFilter">
        <level>INFO</level>
    </filter>
    <filter class="ch.qos.logback.classic.filter.LevelFilter">
        <level>ERROR</level>
        <onMatch>DENY</onMatch>
    </filter>
    <filter class="ch.qos.logback.classic.filter.LevelFilter">
        <level>INFO</level>
        <onMatch>DENY</onMatch>
    </filter>
    <rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
        <FileNamePattern>${catalina.base}/logs/sec-firewall_monitor.%d{yyyy-MM-dd}.log</FileNamePattern>
    </rollingPolicy>
</appender>

logback只输出WARN级别的日志

原文：http://www.cnblogs.com/userrain/p/5697186.html