ArrayIndexOutOfBound for ES nested facets

recreation.curl

curl -X DELETE "http://localhost:9200/test_users"

curl -X POST "http://localhost:9200/test_users" -d '
{
   "mappings":{
      "user":{
         "properties":{
            "email":{ "index":"no", "type":"string" },
            "alma_info":{
               "type":"object",
               "properties":{
                  "joining_year":{ "type":"integer" },
                  "graduation_year":{ "type":"integer" },
                  "branch":{ "index":"not_analyzed", "type":"string" },
                  "course":{ "index":"not_analyzed", "store":true, "type":"string" },
                  "discipline":{ "index":"not_analyzed", "store":true, "type":"string" },
                  "rollno":{ "type":"string" }
               }
            },
            "personal_info":{
               "type":"object",
               "properties":{
                  "title":{ "index":"no", "type":"string" },
                  "name":{
                     "type":"multi_field",
                     "fields":{
                        "name":{ "type":"string", "analyzer":"name_analyzer", "store":true, "boost":10},
                        "lower":{ "type":"string", "analyzer":"lower_keyword", "boost":20 },
                        "untouched":{ "type":"string", "index":"not_analyzed", "store":true }
                     }
                  }
               }
            },
            "professions":{
               "type":"nested",
               "properties":{
                  "current":{ "type":"boolean" },
                  "company":{
                     "type":"multi_field",
                     "fields":{
                        "company":{ "type":"string", "analyzer":"name_analyzer", "store":true, "boost":10 },
                        "lower":{ "type":"string", "analyzer":"lower_keyword", "boost":20 },
                        "untouched":{ "type":"string", "index":"not_analyzed", "store":true }
                     }
                  }
               }
            }
         }
      }
   },
   "settings":{
      "number_of_shards":1,
      "analysis":{
         "tokenizer":{
            "name_tokenizer":{ "type":"edgeNGram", "max_gram":100, "min_gram":3, "side":"front" }
         },
         "analyzer":{
            "name_analyzer":{ "tokenizer":"whitespace", "type":"custom", "filter":["lowercase", "multi_words", "name_filter"] },
            "lower_keyword":{ "tokenizer":"keyword", "type":"custom", "filter":["lowercase"] },
            "multi_words":{ "tokenizer":"standard", "type":"custom", "filter":["standard", "lowercase", "stop", "multi_words"] }
         },
         "filter":{
            "multi_words":{ "type":"shingle", "max_shingle_size":10 },
            "name_filter":{ "type":"edgeNGram", "max_gram":100, "min_gram":3, "side":"front" },
            "name_filter_reverse":{ "type":"edgeNGram", "max_gram":100, "min_gram":3, "side":"back" }
         }
      }
   }
}
'


curl -X POST "http://localhost:9200/test_users/user/4eb8f6a475f38e4bc1001726" -d '
{
   "_id":"4eb8f6a475f38e4bc1001726",
   "_type":"User",
   "alma_info":{
      "_id":"4eb8f6a475f38e4bc1001725",
      "branch":"IT",
      "course":"M.Tech.",
      "department":"Mechanical",
      "designation":"Professor",
      "graduation_year":2005,
      "joining_year":2003,
      "rollno":"LD7793-2651",
      "discipline":"M.Tech. - IT"
   },
   "college_id":"4eb8f0f575f38e461700000c",
   "created_at":"2011-11-08T09:30:12Z",
   "email":"kameron@creminupton.info",
   "personal_info":{
      "_id":"4eb8f6a475f38e4bc1001724",
      "dob":"1984-07-19T00:00:00+05:30",
      "fname":"Martine",
      "gender":null,
      "lname":"Jewess",
      "married":false,
      "title":null,
      "name":"Martine Jewess",
      "hometown_string":null,
      "current_city_string":null
   },
   "professions":[
      {
         "_id":"4ebc205775f38e0c9e000053",
         "company":"Adobe Systems",
         "company_site":"",
         "current":true,
         "department":"None",
         "description":"",
         "designation":"Developer",
         "from":"2011-03-31T18:30:00Z",
         "location_id":"7279746",
         "to":null
      }
   ],
   "profile_completeness":20.454545454545457,
   "updated_at":"2011-11-10T19:04:04Z",
   "user_type":"alumni"
}
'

curl -X POST "http://localhost:9200/test_users/user/4eb8f6a475f38e4bc100172a" -d '
{
   "_id":"4eb8f6a475f38e4bc100172a",
   "_type":"User",
   "alma_info":{
      "_id":"4eb8f6a475f38e4bc1001729",
      "branch":"ECE",
      "course":"M.Tech.",
      "graduation_year":2011,
      "joining_year":2009,
      "rollno":"MV9548-6629",
      "discipline":"M.Tech. - ECE"
   },
   "college_id":"4eb8f0f575f38e461700000c",
   "created_at":"2011-11-08T09:30:12Z",
   "email":"casey.bins@lesch.com",
   "personal_info":{
      "_id":"4eb8f6a475f38e4bc1001728",
      "anniversary":"2005-08-26T00:00:00+05:30",
      "dob":"1981-03-20T00:00:00+05:30",
      "fname":"Ethyl",
      "gender":"M",
      "lname":"Collier",
      "married":true,
      "title":"Mrs.",
      "name":"Mrs. Ethyl Collier",
      "hometown_string":null,
      "current_city_string":null
   },
   "professions":[
      {
         "current":true,
         "company":"Alma Connect",
         "from":"2011-01-31T18:30:00Z",
         "to":null,
         "designation":"CoFounder",
         "department":"Technology",
         "company_site":"http://www.almaconnect.com/",
         "location_id":"7279746",
         "description":"",
         "_id":"4ebb814b75f38e289900002f"
      },
      {
         "current":false,
         "company":"Joshlabs",
         "from":"2009-09-30T18:30:00Z",
         "to":"2011-01-31T18:30:00Z",
         "designation":"Senior Developer",
         "department":"Technology",
         "company_site":"http://joshlabs.in/",
         "location_id":"1270642",
         "description":"",
         "_id":"4ebb814b75f38e2899000030"
      }
   ],
   "profile_completeness":26.136363636363637,
   "updated_at":"2011-11-10T19:02:34Z",
   "user_type":"student"
}
'

curl -X POST "http://localhost:9200/test_users/user/4eb8f0f675f38e4617000025" -d '
{
   "_id":"4eb8f0f675f38e4617000025",
   "email":"demo.alumni@almaconnect.com",
   "user_type":"alumni",
   "college_id":"4eb8f0f575f38e461700000c",
   "raw_user_id":"4eb8f0f675f38e4617000022",
   "_type":"User",
   "invitation_token":"kAGTTO55uxxKyDV114Iu",
   "updated_at":"2011-11-08T09:05:58Z",
   "profile_completeness":14.772727272727273,
   "created_at":"2011-11-08T09:05:58Z",
   "alma_info":{
      "_id":"4eb8f0f675f38e4617000027",
      "branch":"ICT",
      "course":"B.Tech.",
      "graduation_year":2009,
      "joining_year":2005,
      "rollno":"200511070",
      "discipline":"B.Tech. - ICT"
   },
   "personal_info":{
      "_id":"4eb8f0f675f38e4617000026",
      "dob":"1987-07-06T00:00:00+05:30",
      "fname":"Alumni",
      "lname":"Demo",
      "name":"Alumni Demo",
      "hometown_string":null,
      "current_city_string":null
   }
}
'

curl -X GET "http://localhost:9200/test_users/user/_search?pretty=true" -d '
{
   "sort":[
      { "profile_completeness":"desc" },
      { "created_at":"asc" }
   ],
   "facets":{
      "companies":{
         "terms":{ "field":"professions.company.untouched", "size":10, "all_terms":false },
         "nested":"professions",
         "facet_filter":null
      }
   },
   "size":0,
   "from":0
}
'

curl -X GET "http://localhost:9200/test_users/user/_search?pretty=true" -d '
{
   "query":{ "match_all":{ }},
   "facets":{
      "companies":{
         "terms":{ "field":"professions.company.untouched", "size":10, "all_terms":false },
         "nested":"professions",
         "facet_filter":null
      }
   }
}
'