We need to upgrade Mojarra to 2.1.28-jbossorg-3 to resolve the linked bug.
The source for the 2.1.28-jbossorg-3 version of jsf-impl is available here: https://github.com/jboss/mojarra/tree/2.1.28-jbossorg-3
Superseded by #1138921.
Correction. *** This bug has been marked as a duplicate of bug 1138921 ***