output to mysql missing datas

[091313422]

i config log4j to mysql,but when night i find it cannot output to mysql,i observed in the night logs becomes less,how can i resolve this problem
my config is:
log4j.logger.webService-mysql=INFO,webService-mysql
log4j.additivity.webService-mysql=false
log4j.appender.webService-mysql.BufferSize=10
log4j.appender.webService-mysql=org.apache.log4j.jdbc.JDBCAppender
log4j.appender.webService-mysql.URL=XXXX
log4j.appender.webService-mysql.driver=com.mysql.jdbc.Driver
log4j.appender.webService-mysql.user=XXX
log4j.appender.webService-mysql.password=XXX
log4j.appender.webService-mysql.sql=INSERT INTO test (sss,ss,content,ss) VALUES (3,'%d{dd-MM-yyy HH:mm:ss}', '%m',unix_timestamp());
log4j.appender.webService-mysql.layout=org.apache.log4j.PatternLayout
log4j.appender.webService-mysql.layout.ConversionPattern=%d{dd-MM-yyy HH:mm:ss} %m%n

[lsimons]

I think this is intended as a request for support instead of a PR. Log4J 1.2 is end-of-life, the suggestion is to upgrade to 2.x. See https://logging.apache.org/log4j/1.2/ for more information! The PR should be closed.