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Asked: 2026-05-20T06:13:28+00:00

I’m having some trouble understanding the Hibernate logging categories. I’m basing my assumptions on

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I’m having some trouble understanding the Hibernate logging categories. I’m basing my assumptions on the documentation located at: http://docs.jboss.org/hibernate/core/3.3/reference/en/html/session-configuration.html#configuration-logging

I’m using log4j.properties to configure the logging level for Hibernate, using the following:

log4j.logger.org.hibernate=DEBUG
log4j.additivity.org.hibernate.SQL=false

outputs info for all categories of hibernate (org.hibernate.loader, org.hibernate.jdbc, org.hibernate.engine, etc).

What I’m really wanting is only the org.hibernate.SQL category to log at the DEBUG level. I’ve tried various combinations of:

log4j.logger.org.hibernate=INFO
log4j.logger.org.hibernate.SQL=DEBUG
log4j.additivity.org.hibernate.SQL=false

But it never seems to “see” the SQL category, and only uses the org.hibernate logging level.

Is what I’m wanting to do even possible? If so, what am I getting wrong in trying to make it work?

Thanks for any suggestions!

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1 Answer

  1. Editorial Team

    I think you forget to specify your appender after DEBUG:-

    Try this:-

    log4j.logger.org.hibernate.SQL=DEBUG, CONSOLE_APPENDER  
log4j.additivity.org.hibernate.SQL=false 

log4j.appender.CONSOLE_APPENDER=org.apache.log4j.ConsoleAppender
log4j.appender.CONSOLE_APPENDER.layout=org.apache.log4j.PatternLayout
log4j.appender.CONSOLE_APPENDER.layout.ConversionPattern=%-4r [%t] %-5p %c %x - %m%n
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