So, this is my current configuration:

• Dynamic Web Project (not maven)
• Java 8
• Tomcat 9
• Struts 2.5

UI can display and work in Tomcat Server, but having the error message below when EAR package is deployed to WAS.

Error 500: javax.servlet.ServletException: Filter [struts2]: org.apache.struts2.dispatcher.filter.StrutsPrepareAndExecuteFilter was found, but is missing another required class.

Here's my added jar files: JAR files