什么是以下log4j 1.2配置的log4j 2等价物？
<filter class="org.apache.log4j.varia.LevelRangeFilter"> <param name="LevelMin" value="DEBUG" /> <param name="LevelMax" value="INFO" /> </filter>
log4j filter log4j2
filter ×1
log4j ×1
log4j2 ×1