title: elasticsearch query does not support query_string?
body: <p>ElasticSearch returns me  "query_parsing_exception","reason":"[bool] query does not support " error  when trying to look up entries using the following query.i think the problem is about "query_string"</p>
  
  <pre><code>curl -XGET '&lt;myurl&gt;:&lt;myport&gt;/index/_search?pretty' -d '
  {
    "query": {
       "bool": {
          "must":[ {
             "term" : {
                "query" : "1.2.3.4",
                "fields" : [ "ip" ]
                      }
                  },{
                "range" : {
                 "localtime" : {
                     "from" : "2016-06-15T06:00:04.923Z",
                      "to" : "2016-06-17T17:43:04.923Z",
                       "include_lower" : true,
                       "include_upper" : true
                                 }
                         }
                 },
            "query_string" : {
            "default_field" : "_all",
            "query" : "word1 OR word1",
  
            } ]
         }
     }
   }'
  </code></pre>
  
  <p>Why does this error appear?</p>
  
  <p>Thanks</p>
  
  <p><br>anyhelp will be appreciated  ! thanks!</p>