title: Logstash start successfully but doesn't work
body: <p>I have an index with this settings and mappings.<br></p>
  
  <pre><code>PUT /amazon_products
  {
  "settings": {
    "number_of_shards": 1,
    "number_of_replicas": 0,
    "analysis": {
      "analyzer": {}
      }
   },
  "mappings": {
    "properties": {
      "id": {
        "type": "keyword"
       },
      "title": {
        "type": "text"
      },
      "description": {
        "type": "text"
      },
      "manufacturer": {
        "type": "text",
        "fields": {
          "raw": {
            "type": "keyword"
          }
        }
      },
      "price": {
        "type": "scaled_float",
        "scaling_factor": 100
        }
      }
    }
  }
  </code></pre>
  
  <p>This fields also exist in my <b>.csv</b> file and i want to send my data from csv file to <b>elasticsearch</b> using <b> logstash </b>. <br>
  This is my logstash config file: <br></p>
  
  <pre><code>input {
    file {
      path =&gt; "E:\ElasticStack\Logstash\products.csv"
      start_position =&gt; "beginning"
      sincedb_path =&gt; "NULL"
     }
  }
  filter {
    csv {
        separator =&gt; ","
        columns =&gt; ["id","title","description","manufacturer","price"]
    }
  }
  output {
    elasticsearch {
       hosts =&gt; "http://localhost:9200"
       index =&gt; "amazon_products"
    }
    stdout {}
  }
  </code></pre>
  
  <p>When if use this command <b><code>.\logstash -f ..\config\logstash.conf</code></b>
  The only message from logstash is: <br>
  <b>Successfully started Logstash API endpoint {:port=>9600}</b> and it doesn't send data to elasticsearch
  <br>
  Please Help Me. Thank You :)</p>