PropertyNotFoundException when migrating EE5 Struts 1.1 application to JBoss EAP 7

Issue

• We are migrating EE 5 application using Apache Struts 1.1 to JBoss EAP 7 (EE 7) and getting a PropertyNotFoundException

Having issue while reading object value in jsp using JSTL

ERROR [io.undertow.request] (default task-36) UT005023: Exception handling request to /Myapp/success.jsp: org.apache.jasper.JasperException: javax.el.PropertyNotFoundException: Either 'myId' is not a public static field of the class 'com.redhat.examples.struts.MyFormBean' or field is inacessable
    at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:473)

In the JSP:

<%@ taglib uri="http://java.sun.com/jstl/core_rt" prefix="c" %>
    My ID: <c:out  value="${myFormBean.myId}" />