logstash 发请求到elasticsearch 报503错误

第一次搭建logstash 和elastseartch

执行命令

../bin/logstash -e 'input { stdin { } } output { elasticsearch { hosts => ["10.1.27.232:9200"] } }'  

报错

[2017-11-01T20:11:23,829][WARN ][logstash.outputs.elasticsearch] Attempted to resurrect connection to dead ES instance, but got an error. {:url=>"http://10.1.27.232:9200/", :error_type=>LogStash::Outputs::ElasticSearch::HttpClient::Pool::BadResponseCodeError, :error=>"Got response code '503' contacting Elasticsearch at URL '[url=http://10.1.27.232:9200]http://10.1.27.232:9200/'"}

[/url] 

通过浏览器访问  http://10.1.27.232:9200/

{



    "name": "89LNlJb",

    "cluster_name": "elasticsearch",

    "cluster_uuid": "_na_",

    "version": {

        "number": "5.6.3",

        "build_hash": "1a2f265",

        "build_date": "2017-10-06T20:33:39.012Z",

        "build_snapshot": false,

        "lucene_version": "6.6.1"

    },

    "tagline": "You Know, for Search"



}

[url=http://10.1.27.232:9200/_cat/indices?v&s=index&health=red]http://10.1.27.232:9200/_cat/i ... 3Dred[/url]

{



    "error": {

        "root_cause": [

            {

                "type": "cluster_block_exception",

                "reason": "blocked by: [SERVICE_UNAVAILABLE/1/state not recovered / initialized];"

            }

        ],

        "type": "cluster_block_exception",

        "reason": "blocked by: [SERVICE_UNAVAILABLE/1/state not recovered / initialized];"

    },

    "status": 503



}

求助。有哪位同学遇到过类似的问题么。
问题已解决。我是只在一台机器上搭建。 gateway.recover_after_nodes: 这个变量错配成了3，改成1后，好了