Error in Using Log4j in Struts Application

[ashish.mishra16]

Hi All,
I m using JBoss-4.0.4.GA. I m using Log4j for logging. When i deploy my application named MsgForum.war,I get the following error:

3:20:59,828 INFO [TomcatDeployer] deploy, ctxPath=/MsgForum, warUrl=.../deploy/MsgForum.war/

3:21:03,875 ERROR [STDERR] log4j:ERROR A "org.jboss.logging.util.OnlyOnceErrorHandler" object is not assignable to a "org.apace.log4j.spi.ErrorHandler" variable.

3:21:03,875 ERROR [STDERR] log4j:ERROR The class "org.apache.log4j.spi.ErrorHandler" was loaded by

3:21:03,875 ERROR [STDERR] log4j:ERROR [WebappClassLoader
delegate: false repositories:
/WEB-INF/classes/
---------> Parent Classloader:
java.net.FactoryURLClassLoader@1c83354
whereas object of type

3:21:03,875 ERROR [STDERR] log4j:ERROR "org.jboss.logging.util.OnlyOnceErrorHandler" was loaded by [org.jboss.system.server.No
AnnotationURLClassLoader@291aff].

3:21:03,984 ERROR [STDERR] log4j:ERROR Could not create an Appender. Reported error follows.

3:21:03,984 ERROR [STDERR] java.lang.ClassCastException: org.jboss.logging.appender.DailyRollingFileAppender


I get the above said problems. I had placed the log4j.jar of JBoss lib directory to my application's lib directory. Please tell me what could be the problems

[robertd_tfccs]

According the the jboss wiki's FAQ for this issue:
http://wiki.jboss.org/wiki/Wiki.jsp?page=Log4jConflictsInJBoss

Removing the log4j and commons-logging jars from your app should solve this problem. Seems a bit less than graceful though, since any app being deployed will need to be exploded, have their logging JARs removed, then re-zipped and deployed.