Hi
I have an EAR file with one war and one EJB jar on it. the tow module share 
some third party jars and shared classes so here are  highlights of how I have 
it structured.

MyEAR.ear
-META-INF/application.xml
-META-INF/jboss-app.xml <----- used it for isolated hierchial class repository
-lib/*.jar <---- shared libs
-classes/ <----- shared classes 
-MyWAR.war
--META-INF/MANIFEST.MF <----- used Class-Path to point to lib/*jar and claases/
--WEB-INF

-MYEBJ.jar
--META-INF/MANFIEST.MF <---- used Class-Path to point to lib/*jar and classes/
....

Now in the lib/ directory we have our own versions of commons-logging.jar and 
log4j.jar and in classes/ directory we have a commons-logging.property file 
with the following content
org.apache.commons.logging.LogFactory = com.wagerworks....WWLogFactory
and class 'com.wagerworks....WWLogFactory' is inside classes/ directory

Now the TomcatDeployer throws NoClassFoundException with the following trace.

[EARDeployer] Init J2EE application: file:/C:/Program 
Files/jboss-4.0.3SP1/server/mercury/deploy/WagerWorks.ear/
12:08:49,267 INFO  [TomcatDeployer] deploy, ctxPath=/mercury, 
warUrl=.../deploy/WagerWorks.ear/WagerWare.war/
12:08:50,127 ERROR [Digester] Begin event threw exception
org.apache.commons.logging.LogConfigurationException: 
java.lang.ClassNotFoundException: No ClassLoaders found for: 
com.wagerworks.mercury.common.startup.WWLogFactory
        at org.apache.commons.logging.LogFactory$2.run(LogFactory.java:612)
        at java.security.AccessController.doPrivileged(Native Method)
        at org.apache.commons.logging.LogFactory.newFactory(LogFactory.java:564)
        at org.apache.commons.logging.LogFactory.getFactory(LogFactory.java:355)
        at org.apache.commons.logging.LogFactory.getLog(LogFactory.java:398)
        at org.apache.catalina.session.ManagerBase.(ManagerBase.java:63)
        at org.apache.catalina.session.StandardManager.(StandardManager.java:64)
        at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
        at 
sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39)
        at 
sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)
        at java.lang.reflect.Constructor.newInstance(Constructor.java:274)
        at java.lang.Class.newInstance0(Class.java:306)
        at java.lang.Class.newInstance(Class.java:259)
        at 
org.apache.tomcat.util.digester.ObjectCreateRule.begin(ObjectCreateRule.java:205)
        at org.apache.tomcat.util.digester.Rule.begin(Rule.java:152)
        at 
org.apache.tomcat.util.digester.Digester.startElement(Digester.java:1275)
        at org.apache.xerces.parsers.AbstractSAXParser.startElement(Unknown 
Source)
        at 
org.apache.xerces.parsers.AbstractXMLDocumentParser.emptyElement(Unknown Source)
        at 
org.apache.xerces.impl.XMLDocumentFragmentScannerImpl.scanStartElement(Unknown 
Source)
        at 
org.apache.xerces.impl.XMLDocumentFragmentScannerImpl$FragmentContentDispatcher.dispatch(Unknown
 Source)
        at 
org.apache.xerces.impl.XMLDocumentFragmentScannerImpl.scanDocument(Unknown 
Source)
        at org.apache.xerces.parsers.XML11Configuration.parse(Unknown Source)
        at org.apache.xerces.parsers.XML11Configuration.parse(Unknown Source)
        at org.apache.xerces.parsers.XMLParser.parse(Unknown Source)
        at org.apache.xerces.parsers.AbstractSAXParser.parse(Unknown Source)
        at org.apache.xerces.jaxp.SAXParserImpl$JAXPSAXParser.parse(Unknown 
Source)
        at org.apache.tomcat.util.digester.Digester.parse(Digester.java:1561)
        at 
org.apache.catalina.startup.ContextConfig.processContextConfig(ContextConfig.java:778)
        at 
org.apache.catalina.startup.ContextConfig.contextConfig(ContextConfig.java:714)
        at 
org.apache.catalina.startup.ContextConfig.init(ContextConfig.java:974)
        at 
org.apache.catalina.startup.ContextConfig.lifecycleEvent(ContextConfig.java:273)
        at 
org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:119)
        at 
org.apache.catalina.core.StandardContext.init(StandardContext.java:5019)
        at 
org.apache.catalina.core.StandardContext.start(StandardContext.java:3885)
        at 
org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:759)
        at 
org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:739)
        at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:524)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at 
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
        at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
        at java.lang.reflect.Method.invoke(Method.java:324)
        at 
org.apache.commons.modeler.BaseModelMBean.invoke(BaseModelMBean.java:503)
        at 
org.jboss.mx.server.RawDynamicInvoker.invoke(RawDynamicInvoker.java:150)
        at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:644)
        at 
org.apache.catalina.core.StandardContext.init(StandardContext.java:5005)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at 
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
        at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
        at java.lang.reflect.Method.invoke(Method.java:324)
        at 
org.apache.commons.modeler.BaseModelMBean.invoke(BaseModelMBean.java:503)
        at 
org.jboss.mx.server.RawDynamicInvoker.invoke(RawDynamicInvoker.java:150)
        at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:644)
        at 
org.jboss.web.tomcat.tc5.TomcatDeployer.performDeployInternal(TomcatDeployer.java:280)
        at 
org.jboss.web.tomcat.tc5.TomcatDeployer.performDeploy(TomcatDeployer.java:88)
        at org.jboss.web.AbstractWebDeployer.start(AbstractWebDeployer.java:357)
        at org.jboss.web.WebModule.startModule(WebModule.java:68)
        at org.jboss.web.WebModule.startService(WebModule.java:46)
        at 
org.jboss.system.ServiceMBeanSupport.jbossInternalStart(ServiceMBeanSupport.java:274)
        at 
org.jboss.system.ServiceMBeanSupport.jbossInternalLifecycle(ServiceMBeanSupport.java:230)
        at sun.reflect.GeneratedMethodAccessor3.invoke(Unknown Source)
        at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
        at java.lang.reflect.Method.invoke(Method.java:324)
        at 
org.jboss.mx.interceptor.ReflectedDispatcher.invoke(ReflectedDispatcher.java:141)
        at org.jboss.mx.server.Invocation.dispatch(Invocation.java:80)
        at org.jboss.mx.server.Invocation.invoke(Invocation.java:72)
        at 
org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.java:245)
        at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:644)
        at 
org.jboss.system.ServiceController$ServiceProxy.invoke(ServiceController.java:943)
        at $Proxy0.start(Unknown Source)
        at org.jboss.system.ServiceController.start(ServiceController.java:428)
        at sun.reflect.GeneratedMethodAccessor5.invoke(Unknown Source)
        at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
        at java.lang.reflect.Method.invoke(Method.java:324)
        at 
org.jboss.mx.interceptor.ReflectedDispatcher.invoke(ReflectedDispatcher.java:141)
        at org.jboss.mx.server.Invocation.dispatch(Invocation.java:80)
        at org.jboss.mx.server.Invocation.invoke(Invocation.java:72)
        at 
org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.java:245)
        at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:644)
        at org.jboss.mx.util.MBeanProxyExt.invoke(MBeanProxyExt.java:176)
        at $Proxy38.start(Unknown Source)
        at 
org.jboss.web.AbstractWebContainer.start(AbstractWebContainer.java:400)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at 
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
        at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
        at java.lang.reflect.Method.invoke(Method.java:324)
        at 
org.jboss.mx.interceptor.ReflectedDispatcher.invoke(ReflectedDispatcher.java:141)
        at org.jboss.mx.server.Invocation.dispatch(Invocation.java:80)
        at 
org.jboss.mx.interceptor.AbstractInterceptor.invoke(AbstractInterceptor.java:118)
        at org.jboss.mx.server.Invocation.invoke(Invocation.java:74)
        at 
org.jboss.mx.interceptor.ModelMBeanOperationInterceptor.invoke(ModelMBeanOperationInterceptor.java:127)
        at 
org.jboss.mx.interceptor.DynamicInterceptor.invoke(DynamicInterceptor.java:80)
        at org.jboss.mx.server.Invocation.invoke(Invocation.java:74)
        at 
org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.java:245)
        at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:644)
        at org.jboss.mx.util.MBeanProxyExt.invoke(MBeanProxyExt.java:176)
        at $Proxy39.start(Unknown Source)
        at org.jboss.deployment.MainDeployer.start(MainDeployer.java:989)
        at org.jboss.deployment.MainDeployer.start(MainDeployer.java:979)
        at org.jboss.deployment.MainDeployer.deploy(MainDeployer.java:790)
        at org.jboss.deployment.MainDeployer.deploy(MainDeployer.java:753)
        at sun.reflect.GeneratedMethodAccessor10.invoke(Unknown Source)
        at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
        at java.lang.reflect.Method.invoke(Method.java:324)
        at 
org.jboss.mx.interceptor.ReflectedDispatcher.invoke(ReflectedDispatcher.java:141)
        at org.jboss.mx.server.Invocation.dispatch(Invocation.java:80)
        at 
org.jboss.mx.interceptor.AbstractInterceptor.invoke(AbstractInterceptor.java:118)
        at org.jboss.mx.server.Invocation.invoke(Invocation.java:74)
        at 
org.jboss.mx.interceptor.ModelMBeanOperationInterceptor.invoke(ModelMBeanOperationInterceptor.java:127)
        at org.jboss.mx.server.Invocation.invoke(Invocation.java:74)
        at 
org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.java:245)
        at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:644)
        at org.jboss.mx.util.MBeanProxyExt.invoke(MBeanProxyExt.java:176)
        at $Proxy6.deploy(Unknown Source)
        at 
org.jboss.deployment.scanner.URLDeploymentScanner.deploy(URLDeploymentScanner.java:319)
        at 
org.jboss.deployment.scanner.URLDeploymentScanner.scan(URLDeploymentScanner.java:507)
        at 
org.jboss.deployment.scanner.AbstractDeploymentScanner$ScannerThread.doScan(AbstractDeploymentScanner.java:192)
        at 
org.jboss.deployment.scanner.AbstractDeploymentScanner.startService(AbstractDeploymentScanner.java:265)
        at 
org.jboss.system.ServiceMBeanSupport.jbossInternalStart(ServiceMBeanSupport.java:274)
        at 
org.jboss.system.ServiceMBeanSupport.jbossInternalLifecycle(ServiceMBeanSupport.java:230)
        at sun.reflect.GeneratedMethodAccessor3.invoke(Unknown Source)
        at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
        at java.lang.reflect.Method.invoke(Method.java:324)
        at 
org.jboss.mx.interceptor.ReflectedDispatcher.invoke(ReflectedDispatcher.java:141)
        at org.jboss.mx.server.Invocation.dispatch(Invocation.java:80)
        at org.jboss.mx.server.Invocation.invoke(Invocation.java:72)
        at 
org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.java:245)
        at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:644)
        at 
org.jboss.system.ServiceController$ServiceProxy.invoke(ServiceController.java:943)
        at $Proxy0.start(Unknown Source)
        at org.jboss.system.ServiceController.start(ServiceController.java:428)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at 
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
        at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
        at java.lang.reflect.Method.invoke(Method.java:324)
        at 
org.jboss.mx.interceptor.ReflectedDispatcher.invoke(ReflectedDispatcher.java:141)
        at org.jboss.mx.server.Invocation.dispatch(Invocation.java:80)
        at org.jboss.mx.server.Invocation.invoke(Invocation.java:72)
        at 
org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.java:245)
        at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:644)
        at org.jboss.mx.util.MBeanProxyExt.invoke(MBeanProxyExt.java:176)
        at $Proxy4.start(Unknown Source)
        at org.jboss.deployment.SARDeployer.start(SARDeployer.java:285)
        at org.jboss.deployment.MainDeployer.start(MainDeployer.java:989)
        at org.jboss.deployment.MainDeployer.deploy(MainDeployer.java:790)
        at org.jboss.deployment.MainDeployer.deploy(MainDeployer.java:753)
        at org.jboss.deployment.MainDeployer.deploy(MainDeployer.java:737)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at 
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
        at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
        at java.lang.reflect.Method.invoke(Method.java:324)
        at 
org.jboss.mx.interceptor.ReflectedDispatcher.invoke(ReflectedDispatcher.java:141)
        at org.jboss.mx.server.Invocation.dispatch(Invocation.java:80)
        at 
org.jboss.mx.interceptor.AbstractInterceptor.invoke(AbstractInterceptor.java:118)
        at org.jboss.mx.server.Invocation.invoke(Invocation.java:74)
        at 
org.jboss.mx.interceptor.ModelMBeanOperationInterceptor.invoke(ModelMBeanOperationInterceptor.java:127)
        at org.jboss.mx.server.Invocation.invoke(Invocation.java:74)
        at 
org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.java:245)
        at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:644)
        at org.jboss.mx.util.MBeanProxyExt.invoke(MBeanProxyExt.java:176)
        at $Proxy5.deploy(Unknown Source)
        at org.jboss.system.server.ServerImpl.doStart(ServerImpl.java:453)
        at org.jboss.system.server.ServerImpl.start(ServerImpl.java:330)
        at org.jboss.Main.boot(Main.java:187)
        at org.jboss.Main$1.run(Main.java:438)
        at java.lang.Thread.run(Thread.java:536)
Caused by: java.lang.ClassNotFoundException: No ClassLoaders found for: 
com.wagerworks.mercury.common.startup.WWLogFactory
        at org.jboss.mx.loading.LoadMgr3.beginLoadTask(LoadMgr3.java:198)
        at 
org.jboss.mx.loading.RepositoryClassLoader.loadClassImpl(RepositoryClassLoader.java:475)
        at 
org.jboss.mx.loading.RepositoryClassLoader.loadClass(RepositoryClassLoader.java:377)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:255)
        at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:315)
        at java.lang.Class.forName0(Native Method)
        at java.lang.Class.forName(Class.java:140)
        at org.apache.commons.logging.LogFactory$2.run(LogFactory.java:610)
        ... 164 more
12:08:50,142 ERROR [ContextConfig] Parse error in default web.xml
org.apache.commons.logging.LogConfigurationException: 
java.lang.ClassNotFoundException: No ClassLoaders found for: 
com.wagerworks.mercury.common.startup.WWLogFactory
        at 
org.apache.tomcat.util.digester.Digester.createSAXException(Digester.java:2719)
        at 
org.apache.tomcat.util.digester.Digester.createSAXException(Digester.java:2745)
        at 
org.apache.tomcat.util.digester.Digester.startElement(Digester.java:1278)
        at org.apache.xerces.parsers.AbstractSAXParser.startElement(Unknown 
Source)
        at 
org.apache.xerces.parsers.AbstractXMLDocumentParser.emptyElement(Unknown Source)
        at 
org.apache.xerces.impl.XMLDocumentFragmentScannerImpl.scanStartElement(Unknown 
Source)
        at 
org.apache.xerces.impl.XMLDocumentFragmentScannerImpl$FragmentContentDispatcher.dispatch(Unknown
 Source)
        at 
org.apache.xerces.impl.XMLDocumentFragmentScannerImpl.scanDocument(Unknown 
Source)
        at org.apache.xerces.parsers.XML11Configuration.parse(Unknown Source)
        at org.apache.xerces.parsers.XML11Configuration.parse(Unknown Source)
        at org.apache.xerces.parsers.XMLParser.parse(Unknown Source)
        at org.apache.xerces.parsers.AbstractSAXParser.parse(Unknown Source)

any idea would be appreciated... i have tired various classLoading 
configurations and none seems to work. the only way I can get it to work is to 
jar up classes/ directory and put it under server/defaul/lib directory.
but I am sure there should be a better way to do that. since classes/ should 
only be visible for my EAR file.
I am using JBoss 4.0.3SP1
thanks


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