类分层结构
- java.lang.Object
- org.apache.logging.log4j.core.AbstractLifeCycle (implements org.apache.logging.log4j.core.LifeCycle2)
- org.apache.logging.log4j.core.filter.AbstractFilterable (implements org.apache.logging.log4j.core.filter.Filterable)
- org.apache.logging.log4j.core.appender.AbstractAppender (implements org.apache.logging.log4j.core.Appender, org.apache.logging.log4j.core.impl.LocationAware)
- org.apache.log4j.AppenderSkeleton (implements org.apache.log4j.Appender, org.apache.log4j.spi.OptionHandler)
- ch.qos.logback.core.spi.ContextAwareBase (implements ch.qos.logback.core.spi.ContextAware)
- ch.qos.logback.core.UnsynchronizedAppenderBase<E> (implements ch.qos.logback.core.Appender<E>)