IncompatibleClassException with Hibernate Profiler + Logback

[François Petitit]

Hi,
I'm trying to use Hibernate Profiler with an application using
Hibernate 3.6, and Logback 0.9.29 for logging.
I've configured logs like this:

[...]
<appender name="Hibernate.Profiler"

class="hibernatingrhinos.hibernate.profiler.appender.HibernateProfilerAppender">
<layout class="org.apache.log4j.xml.XMLLayout" />
</appender>

<logger name="org.hibernate.transaction.JDBCTransaction">
<level value="TRACE" />
<appender-ref ref="Hibernate.Profiler" />
</logger>

[...]

and when the application starts, the Hibernate Profiler appender
initialization fails, because of this problem:

-ERROR in ch.qos.logback.core.joran.action.AppenderAction - Could not
create an Appender of type
[hibernatingrhinos.hibernate.profiler.appender.HibernateProfilerAppender].
ch.qos.logback.core.util.IncompatibleClassException
[INFO] at ch.qos.logback.core.util.IncompatibleClassException
[...]

Do you have any idea?

Thanks,

François

[Eric Hauser]

It's my understanding that logback doesn't support log4j appenders directly.  

http://logback.qos.ch/manual/migrationFromLog4j.html

It appears that you could write a logback appender that just proxies to HibernateProfilerAppender.

[Jon Leigh]

I would be interested to hear if you get this working.  I've been trying to get the profiler working with Logback, JPA 2 and Hibernate 3.6.4 - am yet to have any luck.

Regards,

Jon

 

Jon Leigh
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