JPA+Hibernate: How to show the bounded values instead of the question marks on the queries

log4j.properties:

#log4j.logger.org.hibernate=INFO, hb
log4j.logger.org.hibernate.SQL=DEBUG
log4j.logger.org.hibernate.type=TRACE

#log4j.logger.org.hibernate.hql.ast.AST=info
#log4j.logger.org.hibernate.tool.hbm2ddl=warn
#log4j.logger.org.hibernate.hql=debug
#log4j.logger.org.hibernate.cache=info
#log4j.logger.org.hibernate.jdbc=debug

#log4j.appender.hb=org.apache.log4j.ConsoleAppender
#log4j.appender.hb.layout=org.apache.log4j.PatternLayout
#log4j.appender.hb.layout.ConversionPattern=HibernateLog --> %d{HH:mm:ss} %-5p %c - %m%n
#log4j.appender.hb.Threshold=TRACE

Rereferences

http://stackoverflow.com/questions/2536829/hibernate-show-real-sql