This upgrade should fix both https://bugzilla.redhat.com/show_bug.cgi?id=1091849 (beta blocker) and https://bugzilla.redhat.com/show_bug.cgi?id=1090103.
https://github.com/jbossas/jboss-eap/pull/1285
Resolving against ER3 since https://bugzilla.redhat.com/show_bug.cgi?id=1091849 is a beta blocker
Verified with EAP 6.3.0.ER3 that there is used JBoss Web 7.4.2.Final-redhat-1