Logback sample configuration with RollingFileAppender

logback.xml

<?xml version="1.0" encoding="UTF-8"?>
<configuration>
  <!--Daily rolling file appender -->
  <appender name="FILE" class="ch.qos.logback.core.rolling.RollingFileAppender">
    <File>logs/application.log</File>
    <rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
      <FileNamePattern>logs/application.%d{yyyy-MM-dd}.log.gz</FileNamePattern>
      <maxHistory>30</maxHistory>
    </rollingPolicy>
    <layout class="ch.qos.logback.classic.PatternLayout">
      <Pattern>%d{HH:mm:ss.SSS} [%thread] %-5level %logger{35} - %msg%n</Pattern>
    </layout>
  </appender>

  <logger name="com.smx"><level value="INFO"/></logger>
  <logger name="edu.uci.ics.crawler4j"><level value="WARN"/></logger>
  <logger name="org.apache.http.impl.conn.PoolingClientConnectionManager"><level value="WARN" /></logger>

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