上下文建议者不在elasticsearch中工作

Question

我使用的是elasticsearch版本1.2.1：

我遵循elasticsearch文档中给出的示例，但它会引发错误。

我可能会错过一些东西。

当我运行查询时，我得到的错误是：

{
   "_shards": {
      "total": 5,
      "successful": 4,
      "failed": 1,
      "failures": [
         {
            "index": "services",
            "shard": 2,
            "reason": "BroadcastShardOperationFailedException[[services][2] ]; nested: ElasticsearchException[failed to execute suggest]; nested: NullPointerException; "
         }
      ]
   }
}

这里有完整的例子：

PUT /services

PUT /services/service/_mapping
{
    "service": {
        "properties": {
            "name": {
                "type" : "string"
            },
            "tag": {
                "type" : "string"
            },
            "suggest_field": {
                "type": "completion",
                "context": {
                    "color": { 
                        "type": "category",
                        "path": "color_field",
                        "default": ["red", "green", "blue"]
                    },
                    "location": { 
                        "type": "geo",
                        "precision": "5m",
                        "neighbors": true,
                        "default": "u33"
                    }
                }
            }
        }
    }
}

PUT services/service/1
{
    "name": "knapsack",
    "suggest_field": {
        "input": ["knacksack", "backpack", "daypack"],
        "context": {
            "color": ["red", "yellow"]
        }
    }
}


POST services/_suggest?pretty'
{
    "suggest" : {
        "text" : "m",
        "completion" : {
            "field" : "suggest_field",
            "size": 10,
            "context": {
                "color": "red"
            }
        }
    }
}