actually it worked finally although i didn't do anythting but i have an error in kibana(tab) in
[tags]: beats_input_codec_plain_applied, _csvparsefailure
and in logstash logfile
{:timestamp=>"2017-12-14T14:37:38.661000+0100", :message=>"CAUTION: Recommended inflight events max exceeded! Logstash will run with up to 16000 events in memory in your current configuration. If your message sizes are large this may cause instability with the default heap size. Please consider setting a non-standard heap size, changing the batch size (currently 2000), or changing the number of pipeline workers (currently 8)", :level=>:warn}
{:timestamp=>"2017-12-14T14:37:38.683000+0100", :message=>"Pipeline main started"}
{:timestamp=>"2017-12-14T14:39:13.897000+0100", :message=>"Error parsing csv", :field=>"message", :source=>"", :exception=>#<NoMethodError: undefined method `each_index' for nil:NilClass>, :level=>:warn}
i am using filebeat to send logs to logstash