static <T> Class<? extends T> loadProvider(Class<T> intf, ClassLoader classLoader, String name) {
        List<String> names = findProviderClassNames(intf, classLoader, name);

        if (names.isEmpty()) {
            getModuleLogger().providerUnloadable("Not found", classLoader);
            return null;
        }   

        String clazzName = names.get(0);
        try {
            return classLoader.loadClass(clazzName).asSubclass(intf);
        } catch (Exception ignore) {
            getModuleLogger().providerUnloadable(clazzName, classLoader);
            return null;
        }   
    }   

java.lang.ClassCastException: class com.bea.xml.stream.XMLOutputFactoryBase
 	at java.lang.Class.asSubclass(Class.java:3404)
 	at __redirected.__RedirectedUtils.loadProvider(__RedirectedUtils.java:114)
 	at __redirected.__RedirectedUtils.loadProvider(__RedirectedUtils.java:98)
 	at __redirected.__XMLOutputFactory.<init>(__XMLOutputFactory.java:108)
 	at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
 	at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
 	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
 	at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
 	at java.lang.Class.newInstance(Class.java:442)
 	at javax.xml.stream.FactoryFinder.newInstance(FactoryFinder.java:193)
 	at javax.xml.stream.FactoryFinder.newInstance(FactoryFinder.java:152)
 	at javax.xml.stream.FactoryFinder.find(FactoryFinder.java:265)
 	at javax.xml.stream.FactoryFinder.find(FactoryFinder.java:227)
 	at javax.xml.stream.XMLOutputFactory.newInstance(XMLOutputFactory.java:130)
 	at com.jboss.examples.servlet.Servlet.init(Servlet.java:46)