Hibernate log4j

Programação Java
#1

oi, pessoal

alguém pode me ajudar com este erro? Eu tenho q inicializar o log4j? Como?

log4j:WARN No appenders could be found for logger (org.hibernate.cfg.Environment). log4j:WARN Please initialize the log4j system properly. Erro: org.hibernate.MappingNotFoundException: resource: estudohibernate/amigo.hbm.xml not found

#2

Olá Odete, você deve ter um arquivo properties no pacote default do seu projeto…

log4j.properties :

[code]# Sample ResourceBundle properties file

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

set log levels - for more verbose logging change ‘info’ to ‘debug’

log4j.rootLogger=debug, stdout

log4j.logger.org.hibernate=info
#log4j.logger.org.hibernate=debug

log HQL query parser activity

#log4j.logger.org.hibernate.hql.ast.AST=debug

log just the SQL

log4j.logger.org.hibernate.SQL=debug

log JDBC bind parameters

log4j.logger.org.hibernate.type=info

log schema export/update

log4j.logger.org.hibernate.tool.hbm2ddl=info

log HQL parse trees

#log4j.logger.org.hibernate.hql=debug

log cache activity

log4j.logger.org.hibernate.cache=info

log transaction activity

#log4j.logger.org.hibernate.transaction=debug

log JDBC resource acquisition

#log4j.logger.org.hibernate.jdbc=debug

enable the following line if you want to track down connection

leakages when using DriverManagerConnectionProvider

#log4j.logger.org.hibernate.connection.DriverManagerConnectionProvider=trace[/code]

#3