It has no effects :( Hereafter, my log4j.properties :
# Global logging configuration log4j.rootLogger=INFO, stdout # Console output... log4j.appender.stdout=org.apache.log4j.ConsoleAppender log4j.appender.stdout.layout=org.apache.log4j.PatternLayout log4j.appender.stdout.layout.ConversionPattern=%d{yyyy-MM-dd HH:mm:ss} %-5p [%c{1}] %m%n # SqlMap logging configuration... log4j.logger.com.ibatis=DEBUG log4j.logger.com.ibatis.common.jdbc.SimpleDataSource=DEBUG log4j.logger.java.sql.Connection=DEBUG log4j.logger.java.sql.Statement=DEBUG log4j.logger.java.sql.PreparedStatement=DEBUG log4j.logger.java.sql.ResultSet=DEBUG log4j.logger.java.sql=DEBUG -- View this message in context: http://www.nabble.com/Ibatis-%2B-Spring-%3A-log4j-does-not-work-tp21142261p21144300.html Sent from the iBATIS - User - Java mailing list archive at Nabble.com.