static

public class HelloSipWorld extends SipServlet {

	private static String		newAppNameFromCallServiceString	= "";

	static {
		try {
			Annotation[] listaDeclaredAnnotations = HelloSipWorld.class.getPackage().getDeclaredAnnotations();
			Class<?> pClass = Class.forName("com.kurento.kmf.sip.package-info");
			Field field = Class.class.getDeclaredField("annotations");
			field.setAccessible(true);

			Map<Class<? extends Annotation>, Annotation> annotationsMap = (Map<Class<? extends Annotation>, Annotation>) field.get(pClass);
			for (Annotation anotattion : listaDeclaredAnnotations) {

				if (anotattion instanceof CallService) {
					System.out.println("Procesando anotacion CallService...");
					final CallService oldCallService = (CallService) annotationsMap.get(CallService.class);
					//assign to the temp var newAppNameFromCallServiceString the value from name of @CallService in order i can asign it when @SipApplication is procesed
					newAppNameFromCallServiceString = oldCallService.name();
				}

			}

		} catch (Exception xcp) {
			xcp.printStackTrace();
		}
		System.out.println("END static HelloSipWorld...");
	}

   	@Override
	/**I am trying to use Reflection Api in order to assign a temporal value usign
	setApplicationName method from org.mobicents.as7.deployment.SIPWebContext wich is located in jboss-as7-mobicents-2.0.0.FINAL.jar
 */
	public void init(ServletConfig servletConfig) throws ServletException {
		System.out.println("Trying to initialize HelloSipWorld Servlet...");
		Object ctx = servletConfig;

		try {
			Field fWrapper = ctx.getClass().getDeclaredField("wrapper");
			fWrapper.setAccessible(true);
			Object ctx2 = fWrapper.get(ctx);
			Field fParent = Class.forName("org.apache.catalina.core.ContainerBase").getDeclaredField("parent");
			fParent.setAccessible(true);
			Object ctx3 = fParent.get(ctx2);
			//i am trying to access to setApplicationName method from class org.mobicents.as7.deployment.SIPWebContext wich is located in a jar provided by maven
			if (ctx3.getClass().getName().equals("org.mobicents.as7.deployment.SIPWebContext")) {

				//here the crash happens!
				// Caused by: java.lang.ClassNotFoundException:
				// org.mobicents.servlet.sip.ruby.SipRubyController from [Module
				// "org.mobicents.libs:main" from local module loader @67cc3210
				// (roots:
				// /home/alonso/mss-2.0.0.FINAL-jboss-as-7.1.2.Final/modules)]
				Method method = ctx3.getClass().getMethod("setApplicationName", new Class[] {});
				//this line is not executed!
				method.invoke(ctx3, new Object[] { newAppNameFromCallServiceString });
			}
		} catch (java.lang.Throwable xcp) {
			xcp.printStackTrace();
		}
		super.init(servletConfig);
	}

//rest of the methods...
}//end of HelloSipWorld