The Object Name, Name Template, Description Template, and Name properties on the various JVM services should all be defined as read-only in the jmx plugin's descriptor - Object Name and Name because they include the Resource key, and the Template properties because they are only used during discovery and changing them would serve no purpose.
Fixed in master via commit 978e646.
Verified in RHQ build#438
The Object Name, Name Template, Description Template, and Name properties on
the JVM services are read only in 'Inventory->Connection settings' subtab.
Bookkeeping - closing bug - fixed in recent release.