code: public void setServletName(final String servletName) {
  		NullArgumentException.validateNotNull(servletName, "Servlet name");
  		this.servletName = servletName;
  		// sepcify filter name for Pax Web
  		final WebAppInitParam initParam = new WebAppInitParam();
  		initParam.setParamName("servlet-name");
  		initParam.setParamValue(servletName);
  		initParams.add(initParam);
  	}
docs: Setter.
  
  @param servletName value to set. Cannot be null
  @throws NullArgumentException if servlet name is null