I am getting the error: Puma caught this error: Failed to open TCP connection to localhost:9200 (Connection refused - connect(2) for "localhost" port 9200) (Faraday::ConnectionFailed) in my rails application in ubuntu 14.04.
below is the output of my elastic search in terminal:
prashanth@prashanth-OptiPlex-390:~$ sudo service elasticsearch restart
* Starting Elasticsearch Server prashanth@prashanth-OptiPlex-390:~$ sudo service elasticsearch start
* Starting Elasticsearch Server * Already running. [ OK ]
prashanth@prashanth-OptiPlex-390:~$ curl -X GET 'http://localhost:9200'
curl: (7) Failed to connect to localhost port 9200: Connection refused
prashanth@prashanth-OptiPlex-390:~$
here are the my elastic search settings in /etc/elasticsearch/elasticsearch.yml
file
network.host: 127.0.0.1
transport.tcp.port: 9200
http.port: 9200
error description:
Puma caught this error: Failed to open TCP connection to localhost:9200 (Connection refused - connect(2) for "localhost" port 9200) (Faraday::ConnectionFailed)
/home/prashanth/.rvm/rubies/ruby-2.3.1/lib/ruby/2.3.0/net/http.rb:882:in `rescue in block in connect'
/home/prashanth/.rvm/rubies/ruby-2.3.1/lib/ruby/2.3.0/net/http.rb:879:in `block in connect'
/home/prashanth/.rvm/rubies/ruby-2.3.1/lib/ruby/2.3.0/timeout.rb:91:in `block in timeout'
/home/prashanth/.rvm/rubies/ruby-2.3.1/lib/ruby/2.3.0/timeout.rb:101:in `timeout'
/home/prashanth/.rvm/rubies/ruby-2.3.1/lib/ruby/2.3.0/net/http.rb:878:in `connect'
/home/prashanth/.rvm/rubies/ruby-2.3.1/lib/ruby/2.3.0/net/http.rb:863:in `do_start'
/home/prashanth/.rvm/rubies/ruby-2.3.1/lib/ruby/2.3.0/net/http.rb:852:in `start'
/home/prashanth/.rvm/rubies/ruby-2.3.1/lib/ruby/2.3.0/net/http.rb:1398:in `request'
/home/prashanth/.rvm/gems/ruby-2.3.1/gems/faraday-0.10.1/lib/faraday/adapter/net_http.rb:83:in `perform_request'
/home/prashanth/.rvm/gems/ruby-2.3.1/gems/faraday-0.10.1/lib/faraday/adapter/net_http.rb:41:in `block in call'
/home/prashanth/.rvm/gems/ruby-2.3.1/gems/faraday-0.10.1/lib/faraday/adapter/net_http.rb:88:in `with_net_http_connection'
/home/prashanth/.rvm/gems/ruby-2.3.1/gems/faraday-0.10.1/lib/faraday/adapter/net_http.rb:33:in `call'
/home/prashanth/.rvm/gems/ruby-2.3.1/gems/faraday-0.10.1/lib/faraday/rack_builder.rb:139:in `build_response'
/home/prashanth/.rvm/gems/ruby-2.3.1/gems/faraday-0.10.1/lib/faraday/connection.rb:377:in `run_request'
/home/prashanth/.rvm/gems/ruby-2.3.1/gems/elasticsearch-transport-5.0.0/lib/elasticsearch/transport/transport/http/faraday.rb:23:in `block in perform_request'
/home/prashanth/.rvm/gems/ruby-2.3.1/gems/elasticsearch-transport-5.0.0/lib/elasticsearch/transport/transport/base.rb:257:in `perform_request'
/home/prashanth/.rvm/gems/ruby-2.3.1/gems/elasticsearch-transport-5.0.0/lib/elasticsearch/transport/transport/http/faraday.rb:20:in `perform_request'
/home/prashanth/.rvm/gems/ruby-2.3.1/gems/elasticsearch-transport-5.0.0/lib/elasticsearch/transport/client.rb:128:in `perform_request'
In the settings you posted, your HTTP and TCP ports have the same port number assigned
network.host: 127.0.0.1
transport.tcp.port: 9200
http.port: 9200
I would suggest changing the transport.tcp.port
and trying again.
Try using the defaults unless you already have port 9300 in use:
network.host: 127.0.0.1
transport.tcp.port: 9300
http.port: 9200
If you are still facing issues, you may need to open up the ports on your firewall program. On Ubuntu, this is likely UFW.
If your service script has a status function, this may tell you if your Elasticsearch instance has started up properly or not. Failing this, you can use ps aux
to determine if it is running.
$ sudo service elasticsearch status
Or
$ ps aux | grep elasticsearch
As pointed out in similar questions, cURL can give a refused connection error when Elasticsearch isn't running (source: Faraday::ConnectionFailed, Connection refused - connect(2) for “localhost” port 9200 Error Ruby on Rails).
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