JWS 3.1.0 Tomcat 8 includes different JSP compiler version than Open Source Tomcat 8.0.36

Solution Verified - Updated -

Issue

  • JWS 3.1.0 Tomcat 8 includes different Java Servlet Pages (JSP) compiler version than Open Source Tomcat 8.0.36.
  • Why JWS 3.1.0 Tomcat 8 includes lower/different version of ecj jar?
  • JWS 3.1.0 claims to be based on Tomcat 8.0.36 but why ecj jar version is different than one available in community Tomcat 8.0.36?
  • Why JWS 3.1.0 includes ecj-4.4.2-eap6.jar version but Tomcat 8.0.36 includes ecj-4.5.jar version ?

Environment

  • Red Hat JBoss Web Server (JWS)
    - 3.1.0

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