Criterion decoder codec crashes if ethType not specified

The flowing command will crash ONOS and return a 500 error:

curl -u onos:rocks -X POST --header "Content-Type: application/json" --header "Accept: application/json" -d "{
\"priority\": 100,
\"isPermanent\": \"false\",
\"timeout\": 100,
\"flag\": \"VERSATILE\",
\"operation\": \"ADD\",
\"selector\": {
\"criteria\": [

{\"type\": \"ETH_TYPE\", \"ethTypexx\": 2048}

,

{\"type\": \"IN_PORT\", \"port\": \"2\"}

,

{\"type\": \"ETH_DST\", \"mac\": \"00:00:00:00:00:01\"}

,

{\"type\": \"ETH_SRC\", \"mac\": \"00:00:00:00:00:04\"}

]
},
\"treatment\":
{
\"instructions\":
[

{\"type\":\"OUTPUT\",\"port\":2}

],
\"deferred\":[]
}
}" http://192.168.56.51:8181/onos/v1/flowobjectives/of:0000000000000001/forward