Sorry，I mean log4j.appender.JHA=org.apache.ambari.log4j.hadoop.mapreduce.jobhistory.JobHistoryAppender is annotated in log4j.properties by default on hdp 2.2.
-- chenchun On Thursday, 9 January, 2014 at 3:56 PM, chenchun wrote: > org.apache.ambari.log4j.hadoop.mapreduce.jobhistory.JobHistoryAppender
