Log4j error输出指定

log4j.rootLogger=${LOG_LEVEL},CONSOLE,FILE,E
。。。。。。

log4j.appender.E=org.apache.log4j.DailyRollingFileAppender
log4j.appender.E.File=${catalina.base}/errorlogs/error.log
log4j.appender.E.Encoding=GBK
log4j.appender.E.Append = true
log4j.appender.E.Threshold =ERROR
log4j.appender.E.DatePattern='.'yyyy-MM-dd
log4j.appender.E.layout=org.apache.log4j.PatternLayout
log4j.appender.E.layout.ConversionPattern=[%-5p] %d{yyyy-MM-dd HH\:mm\:ss} %C{8}@(%F\:%L)\:%m%n