We're also deploying on weblogic 10, but we cannot use the <prefer-web-inf-classes> (it causes more class loading problems than it solves).
Therefore we implemented or own log4j config loader and put it in the web.xml template:
<listener>
<listener-class>our.own.Log4jConfigServletContextListener</listener-class>
</listener>
This listener knows where to find an external log4j.properties file and loads it:
Log4jConfigHelper.configure(getLog4JPropertiesFile(), scanInterval);
The Log4jConfigHelper configures log4j itself:
PropertyConfigurator.configureAndWatch(file, scanInterval);
For development outside weblogic, we have in Config.groovy:
log4j = {
Log4jConfigHelper.configure(getDevLog4jPropertiesFile(), 2)
}
Grtz,
Ivo
On 14 Oct 2010, at 17:06, Ken Liu wrote:
> Hi everyone -
>
> I'm not getting any output from log4j when I deploy a WAR file on
> Weblogic 10. It works fine in Jetty (via run-app).
>
> I have the following set in weblogic.xml, which should theoretically
> tell Weblogic to load log4j from the WAR file instead of from the
> system classpath.
> <prefer-web-inf-classes>true</prefer-web-inf-classes>
>
> Before I dive into classloader hell, does anyone have any simple
> solutions for getting log4j working with Grails (1.1.1) on Weblogic
> 10? My Google fu is not turning up anything.
>
> Thanks,
>
> Ken
>
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Ivo Houbrechts
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