If not an archetype, is there a simple Hello World example that uses Maven 2 and runs on JBoss? The examples included with the Seam distribution mix ant and Maven, and it is very difficult to get a simple example up and running. I have given it a try and I am getting all sorts of exceptions:

07:51:16.078 INFO  [org.jboss.deployment.EARDeployer] Init J2EE application: file:/D:/jboss-4.2.2/server/default/deploy/helloworld-seam-app-1.0-SNAPSHOT.ear
07:51:19.015 ERROR [STDERR] log4j:ERROR A "org.jboss.logging.appender.FileAppender" object is not assignable to a "org.apache.log4j.Appender" variable.
07:51:19.015 ERROR [STDERR] log4j:ERROR The class "org.apache.log4j.Appender" was loaded by
07:51:19.015 ERROR [STDERR] log4j:ERROR [WebappClassLoader
  delegate: false
  repositories:
    /WEB-INF/classes/
----------> Parent Classloader:
java.net.FactoryURLClassLoader@1d08e21
] whereas object of type
07:51:19.031 ERROR [STDERR] log4j:ERROR "org.jboss.logging.appender.FileAppender" was loaded by [org.jboss.system.server.NoAnnotationURLClassLoader@f84386].
07:51:19.031 ERROR [STDERR] log4j:ERROR Could not instantiate appender named "FILE".
07:51:19.625 FATAL [javax.enterprise.resource.webcontainer.jsf.application] JSF1029: The specified InjectionProvider implementation 'org.jboss.web.jsf.integration.injection.JBossInjectionProvider' does not implement the InjectionProvider interface.
07:51:19.640 INFO  [javax.enterprise.resource.webcontainer.jsf.application] JSF1048: PostConstruct/PreDestroy annotations present.  ManagedBeans methods marked with these annotations will have said annotations processed.
07:51:19.859 ERROR [org.apache.catalina.core.ContainerBase.[jboss.web].[localhost].[/helloworld-seam]] Exception sending context initialized event to listener instance of class com.sun.faces.config.ConfigureListener
java.lang.LinkageError: loader constraint violation: when resolving interface method "javax.servlet.jsp.JspApplicationContext.addELResolver(Ljavax/el/ELResolver;)V" the class loader (instance of org/jboss/web/tomcat/service/WebAppClassLoader) of the current class, com/sun/faces/config/ConfigureListener, and the class loader (instance of org/jboss/mx/loading/UnifiedClassLoader3) for resolved class, javax/servlet/jsp/JspApplicationContext, have different Class objects for the type javax/el/ELResolver used in the signature
     at com.sun.faces.config.ConfigureListener.registerELResolverAndListenerWithJsp(ConfigureListener.java:581)
     at com.sun.faces.config.ConfigureListener.contextInitialized(ConfigureListener.java:211)
     at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:3856)
     at org.apache.catalina.core.StandardContext.start(StandardContext.java:4361)
     at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:790)
     at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:770)
     at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:553)
....

edit org\jboss\seam\init\Initialization,delete 112 line:
standardDeploymentStrategy.getFiles().add(warRootDirectory);