Procedure 12.6. Edit web.xml to enable RESTEasy JavaScript API

1. Open the web.xml file of the application in a text editor.
2. Add the following configuration to the file, inside the web-app tags:

   <servlet>
       <servlet-name>RESTEasy JSAPI</servlet-name>
       <servlet-class>org.jboss.resteasy.jsapi.JSAPIServlet</servlet-class>
   </servlet>
   
   <servlet-mapping>
       <servlet-name>RESTEasy JSAPI</servlet-name>
       <url-pattern>/URL</url-pattern>
   </servlet-mapping>