Possible name collisions when two factories have the same names
I had two factories at FNAL that had the default glidein and factory name in the conifgs: factory_name="gfactory_service" glidein_name="gfactory_instance"
The frontend was sending credentials (glideclientglobals) to only one factory but was sending requests (glideclient) to both. There were no errors anywhere or any indication of problems.
I can provide more info on the factory and frontend configurations if needed.