if(callbackHandler != null) {
handlerClass = Class.forName(callbackHandler, true, loader);
handler = (CallbackHandler) handlerClass.newInstance();
Thread.currentThread().setContextClassLoader(loader);
InjectionManager injMgr = Switch.getSwitch().getInjectionManager();
injMgr.injectInstance(handler, descriptor);
} else {
handler = new com.sun.enterprise.security.auth.login.LoginCallbackHandler(guiAuth);
}
} catch(Exception e) {