Tomahawk JSF 1.2 file upload is not working in JBoss 7.3 EAP while it worked fine in JBoss 6

Question

Recently we have upgraded JBoss 6 tp 7.3 EAP servert and Java 6 to Java 8 version still jsf is configured to version 1.2 only

Somehow file upload is not working in Jboss