Ativar registro de hibernação

Estou tentando criar um log de instruções de hibernação. Eu executo minhas instruções sql usando JPA, em que o Hibernate 2.0 é o provedor de persistência (meu servidor de aplicativos é o JBoss AS 6.0). Eu chamo meus métodos CRUD usando a interface do EntityManager fornecida pelo EJB 3.0. Li várias postagens sobre a ativação do log hinernate, mas na verdade não consigo ver nenhum log :-( Crio um arquivo log4j.properties e o coloco na pasta raiz do meu projeto Netbeans. Coloquei também a biblioteca log4j no caminho de classe do Meu log4j.properties é o seguinte:

### 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


log4j.rootLogger=debug, stdout

log4j.logger.org.hibernate=info

 ### 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

Por que não consigo ver as informações do log? Gostaria de ver valores em sql where cláusulas ou em instruções insert (na verdade, vejo apenas alguns '?') Agradecemos antecipadamente.

ara maior clareza, coloquei abaixo a estrutura de pastas do meu projet

MyProject
¦   build.xml
¦   log4j.properties
¦
+---build
¦   ¦   capitolo2-ejb.jar
¦   ¦   capitolo2-war.war
¦   ¦   JBoss4.dpf
¦   ¦
¦   +---lib
¦   ¦       log4j-1.2.15.jar
¦   ¦       slf4j-api.jar
¦   ¦       slf4j-jboss-logmanager.jar
¦   ¦
¦   +---META-INF
¦           chapter2-hornetq-jms.xml
¦           jboss-app.xml
¦           log4j.properties
¦           MANIFEST.MF
¦
+---capitolo2-ejb
¦   ¦   build.xml
¦   ¦   
¦   ¦
¦   +---build
¦   ¦   +---classes
¦   ¦   ¦   ¦   .netbeans_automatic_build
¦   ¦   ¦   ¦   .netbeans_update_resources
¦   ¦   ¦   ¦
¦   ¦   ¦   +---ejb
¦   ¦   ¦   ¦   +---com
¦   ¦   ¦   ¦       +---ejb3inaction
¦   ¦   ¦   ¦           +---actionbazaar
¦   ¦   ¦   ¦               +---buslogic
¦   ¦   ¦   ¦               ¦       BillingException.class
¦   ¦   ¦   ¦               ¦       OrderBillingMDB.class
¦   ¦   ¦   ¦               ¦       PlaceBid.class
¦   ¦   ¦   ¦               ¦       PlaceBidBean.class
¦   ¦   ¦   ¦               ¦       PlaceOrder.class
¦   ¦   ¦   ¦               ¦       PlaceOrderBean.class
¦   ¦   ¦   ¦               ¦
¦   ¦   ¦   ¦               +---persistence
¦   ¦   ¦   ¦                       Bid.class
¦   ¦   ¦   ¦                       BillingInfo.class
¦   ¦   ¦   ¦                       Order.class
¦   ¦   ¦   ¦                       OrderStatus.class
¦   ¦   ¦   ¦                       ShippingInfo.class
¦   ¦   ¦   ¦
¦   ¦   ¦   +---META-INF
¦   ¦   ¦           beans.xml
¦   ¦   ¦           jboss.xml
¦   ¦   ¦           MANIFEST.MF
¦   ¦   ¦           persistence.xml
¦   ¦   ¦
¦   ¦   +---empty
¦   ¦   +---generated-sources
¦   ¦       +---ap-source-output
¦   +---dist
¦   ¦       capitolo2-ejb.jar
¦   ¦
¦   +---lib
¦   ¦       log4j-1.2.15.jar
¦   ¦
¦   +---nbproject
¦   ¦   ¦   ant-deploy.xml
¦   ¦   ¦   build-impl.xml
¦   ¦   ¦   genfiles.properties
¦   ¦   ¦   project.properties
¦   ¦   ¦   project.xml
¦   ¦   ¦
¦   ¦   +---private
¦   ¦           private.properties
¦   ¦           private.xml
¦   ¦
¦   +---setup
¦   ¦       jboss-ds.xml
¦   ¦
¦   +---src
¦       +---conf
¦       ¦       beans.xml
¦       ¦       jboss.xml
¦       ¦       MANIFEST.MF
¦       ¦       persistence.xml
¦       ¦
¦       +---java
¦           +---ejb
¦               +---com
¦                   +---ejb3inaction
¦                       +---actionbazaar
¦                           +---buslogic
¦                           ¦       BillingException.java
¦                           ¦       OrderBillingMDB.java
¦                           ¦       PlaceBid.java
¦                           ¦       PlaceBidBean.java
¦                           ¦       PlaceOrder.java
¦                           ¦       PlaceOrderBean.java
¦                           ¦
¦                           +---persistence
¦                                   Bid.java
¦                                   BillingInfo.java
¦                                   Order.java
¦                                   OrderStatus.java
¦                                   ShippingInfo.java
¦
+---capitolo2-war
¦   ¦   build.xml
¦   ¦
¦   +---build
¦   ¦   +---empty
¦   ¦   +---generated-sources
¦   ¦   ¦   +---ap-source-output
¦   ¦   +---lib
¦   ¦   ¦       log4j-1.2.15.jar
¦   ¦   ¦       slf4j-api.jar
¦   ¦   ¦       slf4j-jboss-logmanager.jar
¦   ¦   ¦
¦   ¦   +---web
¦   ¦       ¦   index.jsp
¦   ¦       ¦
¦   ¦       +---META-INF
¦   ¦       ¦       MANIFEST.MF
¦   ¦       ¦
¦   ¦       +---WEB-INF
¦   ¦           ¦   beans.xml
¦   ¦           ¦   jboss-web.xml
¦   ¦           ¦
¦   ¦           +---classes
¦   ¦               ¦   .netbeans_automatic_build
¦   ¦               ¦   .netbeans_update_resources
¦   ¦               ¦
¦   ¦               +---it
¦   ¦                   +---myservlets
¦   ¦                           PlaceBidServlet.class
¦   ¦                           PlaceOrderServlet.class
¦   ¦
¦   +---dist
¦   ¦       capitolo2-war.war
¦   ¦
¦   +---nbproject
¦   ¦   ¦   ant-deploy.xml
¦   ¦   ¦   build-impl.xml
¦   ¦   ¦   genfiles.properties
¦   ¦   ¦   project.properties
¦   ¦   ¦   project.xml
¦   ¦   ¦
¦   ¦   +---private
¦   ¦           private.properties
¦   ¦           private.xml
¦   ¦
¦   +---setup
¦   ¦       jboss-ds.xml
¦   ¦
¦   +---src
¦   ¦   +---conf
¦   ¦   ¦       MANIFEST.MF
¦   ¦   ¦
¦   ¦   +---java
¦   ¦       +---it
¦   ¦           +---myservlets
¦   ¦                   PlaceBidServlet.java
¦   ¦                   PlaceOrderServlet.java
¦   ¦
¦   +---web
¦       ¦   index.jsp
¦       ¦
¦       +---WEB-INF
¦               beans.xml
¦               jboss-web.xml
¦
+---dist
¦       capitolo2.ear
¦
+---nbproject
¦   ¦   ant-deploy.xml
¦   ¦   build-impl.xml
¦   ¦   genfiles.properties
¦   ¦   project.properties
¦   ¦   project.xml
¦   ¦
¦   +---private
¦           private.properties
¦
+---setup
¦       jboss-ds.xml
¦       jboss4-netbeans-destinations-service.xml
¦       log4j.properties
¦
+---src
    +---conf
            chapter2-hornetq-jms.xml
            jboss-app.xml
            log4j.properties
            MANIFEST.MF

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