Unwanted logging of messages from Commons.Digester

My log4j is logging unwanted messages related to Commons.Digester
This makes the size of my log files huge.

There must some property that needs to set or removed. I am clueless.

I am using weblogic 9.1 and log4j-1.2.9.jar
Please help!

An extract of the messages being logged -
"
<20 Jul 2006 17:12:34,703> <DEBUG>
<org.apache.commons.digester.Digester> register('-//Apache Software
Foundation//DTD Struts Configuration 1.0//EN',
'zip:C:/bea91/project/ccs/./servers/AdminServer/tmp/_WL_internal/consoleapp/z0ngqf/APP-INF/lib/struts.jar!/org/apache/struts/resources/struts-config_1_0.dtd'
<20 Jul 2006 17:12:34,703> <DEBUG>
<org.apache.commons.digester.Digester> register('-//Apache Software
Foundation//DTD Struts Configuration 1.1//EN',
'zip:C:/bea91/project/ccs/./servers/AdminServer/tmp/_WL_internal/consoleapp/z0ngqf/APP-INF/lib/struts.jar!/org/apache/struts/resources/struts-config_1_1.dtd'
<20 Jul 2006 17:12:34,703> <DEBUG>
<org.apache.commons.digester.Digester> register('-//Sun Microsystems,
Inc.//DTD Web Application 2.2//EN',
'zip:C:/bea91/project/ccs/./servers/AdminServer/tmp/_WL_internal/consoleapp/z0ngqf/APP-INF/lib/struts.jar!/org/apache/struts/resources/web-app_2_2.dtd'
<20 Jul 2006 17:12:34,703> <DEBUG>
<org.apache.commons.digester.Digester> register('-//Sun Microsystems,
Inc.//DTD Web Application 2.3//EN',
'zip:C:/bea91/project/ccs/./servers/AdminServer/tmp/_WL_internal/consoleapp/z0ngqf/APP-INF/lib/struts.jar!/org/apache/struts/resources/web-app_2_3.dtd'
<20 Jul 2006 17:12:34,718> <DEBUG>
<org.apache.struts.action.ActionServlet> Scanning web.xml for
controller servlet mapping
<20 Jul 2006 17:12:34,750> <DEBUG>
<org.apache.commons.digester.Digester.sax>
setDocumentLocator(com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser$LocatorProxy@1aee937)
<20 Jul 2006 17:12:34,750> <DEBUG>
<org.apache.commons.digester.Digester.sax> startDocument()
<20 Jul 2006 17:12:34,750> <DEBUG>
<org.apache.commons.digester.Digester.sax>
startPrefixMapping(,http://java.sun.com/xml/ns/j2ee)
<20 Jul 2006 17:12:34,750> <DEBUG>
<org.apache.commons.digester.Digester.sax>
startPrefixMapping(xsi,http://www.w3.org/2001/XMLSchema-instance)
<20 Jul 2006 17:12:34,750> <DEBUG>
<org.apache.commons.digester.Digester.sax>
startElement(http://java.sun.com/xml/ns/j2ee,web-app,web-app)
<20 Jul 2006 17:12:34,750> <DEBUG>
<org.apache.commons.digester.Digester> Pushing body text ''
<20 Jul 2006 17:12:34,750> <DEBUG>
<org.apache.commons.digester.Digester> New match='web-app'
<20 Jul 2006 17:12:34,750> <DEBUG>
<org.apache.commons.digester.Digester> No rules found matching
'web-app'.
<20 Jul 2006 17:12:34,750> <DEBUG>
<org.apache.commons.digester.Digester.sax> characters(

)
<20 Jul 2006 17:12:34,750> <DEBUG>
<org.apache.commons.digester.Digester.sax>
startElement(http://java.sun.com/xml/ns/j2ee,display-name,display-name)
<20 Jul 2006 17:12:34,750> <DEBUG>
<org.apache.commons.digester.Digester> Pushing body text '

'"

.