Elasticsearch not_analyzed still gets analyzed when included in _all

mapping_test.sh

curl -XDELETE 'http://localhost:9200/test'
echo
curl -XPUT 'http://localhost:9200/test'
echo
echo
curl -XPUT 'http://localhost:9200/test/_mapping/message' -d '      
{
    "message" : {
        "properties" : {
            "message" : {"type" : "string", "store" : "true" },
            "uuid" : { "type": "string",
                       "index":"not_analyzed"
            }
         }
    }
}'
echo
echo
curl -XPUT 'http://localhost:9200/test/message/1?pretty' -d '
{
    "text": "Hello, World!",
    "uuid": "956dd3ea-e7ad-4d6f-aacd-dfac1ffdaff6"
}'
echo
sleep 1
echo
curl -XGET 'http://localhost:9200/test/message/_search?q=956dd3ea-e7ad-4d6f-aacd-dfac1ffdaff6&pretty=true'
echo
curl -XGET 'http://localhost:9200/test/message/_search?q=956dd3ea&pretty=true'
echo