Please refer to GLASSFISH-15684.
There is several fields added to this screen, online help needs updating.
MQ configure-jms-cluster is not supported by the GUI
Too late to fix for 3.1
Under consideration for fixing in the 3.1.1 bundled docs.
Made changes as described in GLASSFISH-15684 and based on viewing current page in Admin GUI.
Committed in svn revision 47759.