Logstash got error to send bulk of actions to elasticsearch server at localhost on Windows -

i wrote .conf file in example given in logstash documentation , tried run it. logstash started when gave input gave error mentioned in title.

i using windows 8.1 , .conf file in saved in logstash-1.5.0/bin.

here .conf file:

input { stdin { } } output {   elasticsearch { host => localhost }   stdout { codec => rubydebug } }

here screenshot of command prompt:

enter image description here

try this, "logstash" should same name of cluster in elasticsearch.yml

output {

  elasticsearch {    cluster => "logstash"   } }

Script