ElasticSearch missing Problems Urgent help ---------thanks

[maoying1229]

def res = Goods.search([from: (params.offset), size: (params.max)]) {
    query:
    {
        bool {
            filtered:
            {
                query:
                {
                    must {
                        term('brand.name': 'name')
                    }
                }

                filter:
                {
                    should {
                        range { "priceForClass1"("gte": 0.0) }
                    }
                    should {
                        missing("field": 'priceForClass1')
                    }
                }
            }
        }
    }
}

Program error
I put " missing("field":'priceForClass1')" written off
missing("field":'priceForClass1') Whether the wording of questions

[puneetbehl]

Could you please describe it more clearly? It would be nice if you can create a sample application describing the problem.