stemming problem with snowball

stemming.sh

curl -XPUT 'http://127.0.0.1:9200/test/?pretty=1'  -d '
{
  index: { 
    analyzer: "snowball"
  } 
}
'

curl -XPOST 'http://127.0.0.1:9200/test/document?pretty=1'  -d '
{
   "title" : "The quick brown fox jumps over the lazy log."
}
'

curl -XGET 'http://127.0.0.1:9200/test/_search?pretty=1'  -d '
{
   "query" : {
      "field" : {
         "_all" : "jump"
      }
   }
}
'
# {
#   "took" : 1,
#   "timed_out" : false,
#   "_shards" : {
#     "total" : 5,
#     "successful" : 5,
#     "failed" : 0
#   },
#   "hits" : {
#     "total" : 0,
#     "max_score" : null,
#     "hits" : [ ]
#   }
# }