confrontation-training/config/log4j.xml

<?xml version="1.0" encoding="UTF-8"?>
<configuration>
    <appender enabled="true" name="console">
        <type>console</type>
        <pattern>[%D %T] [%L] (%S) %M</pattern>
        <!-- level is (:?FINEST|FINE|DEBUG|TRACE|INFO|WARNING|ERROR) -->
    </appender>
    <appender enabled="true" name="file">
        <type>file</type>
        <pattern>[%D %T] [%L] (%S) %M</pattern>
        <property name="filename">./logs/confrontation_training.log</property>
        <!--
           %T - Time (15:04:05 MST)
           %t - Time (15:04)
           %D - Date (2006/01/02)
           %d - Date (01/02/06)
           %L - Level (FNST, FINE, DEBG, TRAC, WARN, EROR, CRIT)
           %S - Source
           %M - Message
           It ignores unknown format strings (and removes them)
           Recommended: "[%D %T] [%L] (%S) %M"
        -->
        <property name="rotate">true</property>
        <!-- true enables log rotation, otherwise append -->
        <property name="maxsize">10M</property>
        <!-- \d+[KMG]? Suffixes are in terms of 2**10 -->
        <property name="maxlines">10K</property>
        <!-- \d+[KMG]? Suffixes are in terms of thousands -->
        <property name="daily">true</property>
        <!-- Automatically rotates when a log message is written after midnight -->
    </appender>
    <!-- 输出级别是info级别及以上的日志，下面的ref关联的两个appender没有filter设置，
      所以，info及以上的日志都是会输出到这2个appender的 -->
    <root>
        <level>info</level>
        <appender-ref ref="file" />
        <appender-ref ref="console" />
    </root>

</configuration>