digester.getparser error...

I am getting this error when i start my Tomcat 4.0.4 insatance, with struts
application.
what exactly is this?

Aug 6, 2004 8:02:11 AM org.apache.commons.digester.Digester getParser
SEVERE: Digester.getParser:
java.security.AccessControlException: access denied
(java.lang.RuntimePermission getClassLoader)
at
java.security.AccessControlContext.checkPermission (AccessControlContext.java
:269)
at
java.security.AccessController.checkPermission(Acc essController.java:401)
at
java.lang.SecurityManager.checkPermission(Security Manager.java:524)
at java.lang.ClassLoader.getParent(ClassLoader.java:1 034)
at
org.apache.catalina.loader.WebappClassLoader.toStr ing(WebappClassLoader.java
:888)
at java.lang.String.valueOf(String.java:2131)
at java.lang.StringBuffer.append(StringBuffer.java:37 0)
at
javax.xml.parsers.FactoryFinder.findJarServiceProv ider(FactoryFinder.java:34
2)
at javax.xml.parsers.FactoryFinder.find(FactoryFinder .java:226)
at
javax.xml.parsers.SAXParserFactory.newInstance(SAX ParserFactory.java:134)
at
org.apache.commons.digester.Digester.getFactory(Di gester.java:512)
at org.apache.commons.digester.Digester.getParser(Dig ester.java:686)
at
org.apache.commons.digester.Digester.getXMLReader( Digester.java:902)
at org.apache.commons.digester.Digester.parse(Digeste r.java:1567)
at
org.apache.struts.action.ActionServlet.initServlet (ActionServlet.java:1433)
at
org.apache.struts.action.ActionServlet.init(Action Servlet.java:466)
at javax.servlet.GenericServlet.init(GenericServlet.j ava:258)
at
org.apache.catalina.core.StandardWrapper.loadServl et(StandardWrapper.java:91
8)
at
org.apache.catalina.core.StandardWrapper.load(Stan dardWrapper.java:810)
at
org.apache.catalina.core.StandardContext.loadOnSta rtup(StandardContext.java:
3279)
at
org.apache.catalina.core.StandardContext.start(Sta ndardContext.java:3421)
at
org.apache.catalina.core.ContainerBase.addChild(Co ntainerBase.java:785)
at
org.apache.catalina.core.StandardHost.addChild(Sta ndardHost.java:478)
at
org.apache.catalina.core.StandardHost.install(Stan dardHost.java:738)
at
org.apache.catalina.startup.HostConfig.deployApps( HostConfig.java:324)
at org.apache.catalina.startup.HostConfig.start(HostC onfig.java:389)
at
org.apache.catalina.startup.HostConfig.lifecycleEv ent(HostConfig.java:232)
at
org.apache.catalina.util.LifecycleSupport.fireLife cycleEvent(LifecycleSuppor
t.java:155)
at
org.apache.catalina.core.ContainerBase.start(Conta inerBase.java:1131)
at
org.apache.catalina.core.StandardHost.start(Standa rdHost.java:638)
-- INSERT --

> org.apache.catalina.core.StandardHost.start(Standa rdHost.java:638)
hi shilpa,
I am also strugling with the same problem since 2 days, let me know if you ever
find the solution for this error.
Thanks,
Varun