Multiple class loaders error

[Dilip kumar]

Hello All,

I'm getting below mentioned errors while running my J2EE application. Not sure what's the issue. Really appreciate any suggestions. Thanks.

    
2008-04-25 15:24:54,978 DEBUG [org.jboss.mx.loading.ClassLoaderUtils] Multiple class loaders found for pkg: org.apache.log4j
2008-04-25 15:24:54,994 DEBUG [org.jboss.mx.loading.ClassLoaderUtils] Multiple class loaders found for pkg: org.apache.log4j.chainsaw
2008-04-25 15:24:54,994 DEBUG [org.jboss.mx.loading.ClassLoaderUtils] Multiple class loaders found for pkg: org.apache.log4j.config
2008-04-25 15:24:54,994 DEBUG [org.jboss.mx.loading.ClassLoaderUtils] Multiple class loaders found for pkg: org.apache.log4j.helpers
2008-04-25 15:24:54,994 DEBUG [org.jboss.mx.loading.ClassLoaderUtils] Multiple class loaders found for pkg: org.apache.log4j.jdbc
2008-04-25 15:24:54,994 DEBUG [org.jboss.mx.loading.ClassLoaderUtils] Multiple class loaders found for pkg: org.apache.log4j.jmx
2008-04-25 15:24:54,994 DEBUG [org.jboss.mx.loading.ClassLoaderUtils] Multiple class loaders found for pkg: org.apache.log4j.lf5
2008-04-25 15:24:54,994 DEBUG [org.jboss.mx.loading.ClassLoaderUtils] Multiple class loaders found for pkg: org.apache.log4j.lf5.config
2008-04-25 15:24:54,994 DEBUG [org.jboss.mx.loading.ClassLoaderUtils] Multiple class loaders found for pkg: org.apache.log4j.lf5.util

[Ernest Friedman-Hill]

I guess you've got multiple copies of log4j.jar installed in your server or app. I'm going to move this to our JBoss forum.

[Jaikiran Pai]

Dilip,

As already mentioned by Ernest, you probably are packaging a log4j jar with your application. JBoss already comes shipped with a log4j jar version of its own. If you want to package the log4j jar with your application then you will have to enable classloader scoping of your application. The other option you have, is to remove the log4j jar from your application and use the one that comes with JBoss.