c3p0的log4j配置

com.mchange.v2.log.log4j.Log4jMLog=info,console,c3p0files
log4j.appender.c3p0files=org.apache.log4j.DailyRollingFileAppender
log4j.appender.c3p0files.File=WEB-INF/log/HTTSC_c3p0.log
log4j.appender.c3p0files.DatePattern = ‘-‘yyyy-MM-dd‘.log‘
log4j.appender.c3p0files.layout=org.apache.log4j.PatternLayout
log4j.appender.c3p0files.layout.ConversionPattern=%d-[HTTSC] %p %t %c - %m%n

c3p0 log level

　　OFF
　　SEVERE
　　WARNING
　　INFO
　　CONFIG
　　FINE
　　FINER
　　FINEST
　　ALL

c3p0的log4j配置

原文：http://www.cnblogs.com/qinyubin/p/4367727.html