Stan Silvert wrote: But in AS6, Tomcat is no longer able to load the JSF impl classes.  The only reason it finds JBossJSFConfigureListener is because I unjarred the class and put it in the root of deployers/jsf.deployer: > 14:13:54,446 INFO  http://community.jboss.org/message/536136#536136/TomcatDeployment http://community.jboss.org/message/536136#536136/TomcatDeployment deploy, ctxPath=/jboss-jsf-20test-jsfunit > 14:13:54,507 ERROR [[/jboss-jsf-20test-jsfunit]] Error configuring application listener of class org.jboss.jsf.integration.config.JBossJSFConfigureListener: java.lang.NoClassDefFoundError: com/sun/faces/config/ConfigureListener >         at java.lang.ClassLoader.defineClass1(Native Method) >         at java.lang.ClassLoader.defineClassCond(ClassLoader.java:632) >         at java.lang.ClassLoader.defineClass(ClassLoader.java:616) >         at org.jboss.classloader.spi.base.BaseClassLoader.access$200(BaseClassLo > ader.java:70) >         at org.jboss.classloader.spi.base.BaseClassLoader$2.run(BaseClassLoader. > java:668) >         at org.jboss.classloader.spi.base.BaseClassLoader$2.run(BaseClassLoader. > java:627) >         at java.security.AccessController.doPrivileged(Native Method) >         at org.jboss.classloader.spi.base.BaseClassLoader.loadClassLocally(BaseC > lassLoader.java:626) >         at org.jboss.classloader.spi.base.BaseClassLoader.loadClassLocally(BaseC > lassLoader.java:603)