update jboss-remoting to 3.2.15.GA or later to resolve linked issues: ChannelBusyException as a result of remoting server ignoring client capabilities on auth failure with one of the authentication mechanisms https://bugzilla.redhat.com/show_bug.cgi?id=912264
Verified current version in 6.1.0.ER3 is 3.2.15.GA-redhat-1
Details inside vpn: https://post-office.corp.redhat.com/mailman/private/eap-pm-list/2013-July/msg00105.html