Same thing happened to me. Passenger side broke first. I think the connecting hose between the two nozzles is too short and shrinks in cold weather, breaking off one side. When I extracted the broken off barb fitting from the hose, and tried to reconnect the hose to the stub of the barb remaining on the nozzle, the driver side broke before I could stretch the hose to connect. With almost no force applied at all.
The Jeep dealer wanted $59.95 for a pair of nozzles. I got the Dorman 47183 Windshield Washer Nozzle Kit from Amazon for $13.22 and they are every bit as good: