spring 中加载 jpa 的 debug 信息

# For JPA log4j.logger.org.springframework.orm.jpa=DEBUG
log4j.logger.org.springframework.orm.jpa.JpaTransactionManager=DEBUG
log4j.logger.org.springframework.orm.jpa.vendor.HibernateJpaVendorAdapter=DEBUG
log4j.logger.org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean=DEBUG
log4j.logger.org.springframework.orm.jpa.support.PersistenceAnnotationBeanPostProcessor=DEBUG
log4j.logger.org.springframework.transaction=DEBUG
log4j.logger.org.springframework=DEBUG
log4j.logger.org.hibernate=DEBUG
log4j.logger.org.hibernate.SQL=DEBUG # Redirect log messages to a log file log4j.appender.file=org.apache.log4j.RollingFileAppender log4j.appender.file.File=C:\\apps\application.log
log4j.appender.file.MaxFileSize=1MB log4j.appender.file.MaxBackupIndex=5 log4j.appender.file.layout=org.apache.log4j.PatternLayout log4j.appender.file.layout.ConversionPattern=%d{ABSOLUTE} %5p %c{1}:%L - %m%n # Direct log messages to stdout log4j.appender.stdout=org.apache.log4j.ConsoleAppender log4j.appender.stdout.Target=System.out log4j.appender.stdout.layout=org.apache.log4j.PatternLayout log4j.appender.stdout.layout.ConversionPattern=%d{ABSOLUTE} %5p %c{1}:%L - %m%n # Root logger option log4j.rootLogger=ALL, file