highlight query

query

POST applicationlogs/logentries/_search
{
  "query": {
    "bool": {
      "must": [
        {
          "term": {
            "exception": "infomercial"
          }
        }
      ]
    }
  },
  "highlight": { 
    "fields": {
      "exception": {
        "number_of_fragments": 6,
        "fragment_size": 20
      }
    }
  },
  "fields": ["highlight"]
}

results

[
  {
    "_index": "applicationlogs.2015-05",
    "_type": "logentries",
    "_id": "AU1A08N_t7g6ripTmN-X",
    "_score": 0.3557864,
    "highlight": {
       "exception": [
          " <em>infomercial</em> he once",
          " <em>infomercial</em> he once appeared"
       ]
    }
 }
]