Cannot get new connection from pool - Ubuntu 16.04.1 LTS

afanencoo · January 3, 2017, 6:05am

Hello,

I followed This guide to install ELK stack on Ubuntu Server, and am receiving
a barage of errors saying "Cannot get new connection from pool".

This is the message I am receiving from logstash.log

gist.github.com

https://gist.github.com/anonymous/f781c149554eefdc40d44c38df1beddd

logstash.log

{:timestamp=>"2017-01-03T16:55:00.424000+1100", :message=>"Cannot get new connection from pool.", :class=>"Elasticsearch::Transport::Transport::Error", :backtrace=>["/opt/logstash/vendor/bundle/jruby/1.9/gems/elasticsearch-transport-1.0.15/lib/elasticsearch/transport/transport/base.rb:193:in `perform_request'", "/opt/logstash/vendor/bundle/jruby/1.9/gems/elasticsearch-transport-1.0.15/lib/elasticsearch/transport/transport/http/manticore.rb:54:in `perform_request'", "/opt/logstash/vendor/bundle/jruby/1.9/gems/elasticsearch-transport-1.0.15/lib/elasticsearch/transport/client.rb:125:in `perform_request'", "/opt/logstash/vendor/bundle/jruby/1.9/gems/elasticsearch-api-1.0.15/lib/elasticsearch/api/actions/bulk.rb:87:in `bulk'", "/opt/logstash/vendor/bundle/jruby/1.9/gems/logstash-output-elasticsearch-2.5.5-java/lib/logstash/outputs/elasticsearch/http_client.rb:53:in `non_threadsafe_bulk'", "/opt/logstash/vendor/bundle/jruby/1.9/gems/logstash-output-elasticsearch-2.5.5-java/lib/logstash/outputs/elasticsearch/http_client.rb:38:in `bulk'", "org/jruby/ext/thread/Mutex.java:149:in `synchronize'", "/opt/logstash/vendor/bundle/jruby/1.9/gems/logstash-output-elasticsearch-2.5.5-java/lib/logstash/outputs/elasticsearch/http_client.rb:38:in `bulk'", "/opt/logstash/vendor/bundle/jruby/1.9/gems/logstash-output-elasticsearch-2.5.5-java/lib/logstash/outputs/elasticsearch/common.rb:163:in `safe_bulk'", "/opt/logstash/vendor/bundle/jruby/1.9/gems/logstash-output-elasticsearch-2.5.5-java/lib/logstash/outputs/elasticsearch/common.rb:101:in `submit'", "/opt/logstash/vendor/bundle/jruby/1.9/gems/logstash-output-elasticsearch-2.5.5-java/lib/logstash/outputs/elasticsearch/common.rb:86:in `retrying_submit'", "/opt/logstash/vendor/bundle/jruby/1.9/gems/logstash-output-elasticsearch-2.5.5-java/lib/logstash/outputs/elasticsearch/common.rb:29:in `multi_receive'", "org/jruby/RubyArray.java:1653:in `each_slice'", "/opt/logstash/vendor/bundle/jruby/1.9/gems/logstash-output-elasticsearch-2.5.5-java/lib/logstash/outputs/elasticsearch/common.rb:28:in `multi_receive'", "/opt/logstash/vendor/bundle/jruby/1.9/gems/logstash-core-2.2.4-java/lib/logstash/output_delegator.rb:130:in `worker_multi_receive'", "/opt/logstash/vendor/bundle/jruby/1.9/gems/logstash-core-2.2.4-java/lib/logstash/output_delegator.rb:129:in `worker_multi_receive'", "/opt/logstash/vendor/bundle/jruby/1.9/gems/logstash-core-2.2.4-java/lib/logstash/output_delegator.rb:114:in `multi_receive'", "/opt/logstash/vendor/bundle/jruby/1.9/gems/logstash-core-2.2.4-java/lib/logstash/pipeline.rb:293:in `output_batch'", "org/jruby/RubyHash.java:1342:in `each'", "/opt/logstash/vendor/bundle/jruby/1.9/gems/logstash-core-2.2.4-java/lib/logstash/pipeline.rb:293:in `output_batch'", "/opt/logstash/vendor/bundle/jruby/1.9/gems/logstash-core-2.2.4-java/lib/logstash/pipeline.rb:224:in `worker_loop'", "/opt/logstash/vendor/bundle/jruby/1.9/gems/logstash-core-2.2.4-java/lib/logstash/pipeline.rb:193:in `start_workers'"], :level=>:warn}
{:timestamp=>"2017-01-03T16:55:00.675000+1100", :message=>"Attempted to send a bulk request to Elasticsearch configured at '[\"http://localhost:9200/\"]', but an error occurred and it failed! Are you sure you can reach elasticsearch from this machine using the configuration provided?", :error_message=>"Cannot get new connection from pool.", :error_class=>"Elasticsearch::Transport::Transport::Error", :backtrace=>["/opt/logstash/vendor/bundle/jruby/1.9/gems/elasticsearch-transport-1.0.15/lib/elasticsearch/transport/transport/base.rb:193:in `perform_request'", "/opt/logstash/vendor/bundle/jruby/1.9/gems/elasticsearch-transport-1.0.15/lib/elasticsearch/transport/transport/http/manticore.rb:54:in `perform_request'", "/opt/logstash/vendor/bundle/jruby/1.9/gems/elasticsearch-transport-1.0.15/lib/elasticsearch/transport/client.rb:125:in `perform_request'", "/opt/logstash/vendor/bundle/jruby/1.9/gems/elasticsearch-api-1.0.15/lib/elasticsearch/api/actions/bulk.rb:87:in `bulk'", "/opt/logstash/vendor/bundle/jruby/1.9/gems/logstash-output-elasticsearch-2.5.5-java/lib/logstash/outputs/elasticsearch/http_client.rb:53:in `non_threadsafe_bulk'", "/opt/logstash/vendor/bundle/jruby/1.9/gems/logstash-output-elasticsearch-2.5.5-java/lib/logstash/outputs/elasticsearch/http_client.rb:38:in `bulk'", "org/jruby/ext/thread/Mutex.java:149:in `synchronize'", "/opt/logstash/vendor/bundle/jruby/1.9/gems/logstash-output-elasticsearch-2.5.5-java/lib/logstash/outputs/elasticsearch/http_client.rb:38:in `bulk'", "/opt/logstash/vendor/bundle/jruby/1.9/gems/logstash-output-elasticsearch-2.5.5-java/lib/logstash/outputs/elasticsearch/common.rb:163:in `safe_bulk'", "/opt/logstash/vendor/bundle/jruby/1.9/gems/logstash-output-elasticsearch-2.5.5-java/lib/logstash/outputs/elasticsearch/common.rb:101:in `submit'", "/opt/logstash/vendor/bundle/jruby/1.9/gems/logstash-output-elasticsearch-2.5.5-java/lib/logstash/outputs/elasticsearch/common.rb:86:in `retrying_submit'", "/opt/logstash/vendor/bundle/jruby/1.9/gems/logstash-output-elasticsearch-2.5.5-java/lib/logstash/outputs/elasticsearch/common.rb:29:in `multi_receive'", "org/jruby/RubyArray.java:1653:in `each_slice'", "/opt/logstash/vendor/bundle/jruby/1.9/gems/logstash-output-elasticsearch-2.5.5-java/lib/logstash/outputs/elasticsearch/common.rb:28:in `multi_receive'", "/opt/logstash/vendor/bundle/jruby/1.9/gems/logstash-core-2.2.4-java/lib/logstash/output_delegator.rb:130:in `worker_multi_receive'", "/opt/logstash/vendor/bundle/jruby/1.9/gems/logstash-core-2.2.4-java/lib/logstash/output_delegator.rb:129:in `worker_multi_receive'", "/opt/logstash/vendor/bundle/jruby/1.9/gems/logstash-core-2.2.4-java/lib/logstash/output_delegator.rb:114:in `multi_receive'", "/opt/logstash/vendor/bundle/jruby/1.9/gems/logstash-core-2.2.4-java/lib/logstash/pipeline.rb:293:in `output_batch'", "org/jruby/RubyHash.java:1342:in `each'", "/opt/logstash/vendor/bundle/jruby/1.9/gems/logstash-core-2.2.4-java/lib/logstash/pipeline.rb:293:in `output_batch'", "/opt/logstash/vendor/bundle/jruby/1.9/gems/logstash-core-2.2.4-java/lib/logstash/pipeline.rb:224:in `worker_loop'", "/opt/logstash/vendor/bundle/jruby/1.9/gems/logstash-core-2.2.4-java/lib/logstash/pipeline.rb:193:in `start_workers'"], :client_config=>{:hosts=>["http://localhost:9200/"], :ssl=>nil, :transport_options=>{:socket_timeout=>0, :request_timeout=>0, :proxy=>nil, :ssl=>{}}, :transport_class=>Elasticsearch::Transport::Transport::HTTP::Manticore, :logger=>nil, :tracer=>nil, :reload_connections=>false, :retry_on_failure=>false, :reload_on_failure=>false, :randomize_hosts=>false}, :level=>:error}
{:timestamp=>"2017-01-03T16:55:00.680000+1100", :message=>"Cannot get new connection from pool.", :class=>"Elasticsearch::Transport::Transport::Error", :backtrace=>["/opt/logstash/vendor/bundle/jruby/1.9/gems/elasticsearch-transport-1.0.15/lib/elasticsearch/transport/transport/base.rb:193:in `perform_request'", "/opt/logstash/vendor/bundle/jruby/1.9/gems/elasticsearch-transport-1.0.15/lib/elasticsearch/transport/transport/http/manticore.rb:54:in `perform_request'", "/opt/logstash/vendor/bundle/jruby/1.9/gems/elasticsearch-transport-1.0.15/lib/elasticsearch/transport/client.rb:125:in `perform_request'", "/opt/logstash/vendor/bundle/jruby/1.9/gems/elasticsearch-api-1.0.15/lib/elasticsearch/api/actions/bulk.rb:87:in `bulk'", "/opt/logstash/vendor/bundle/jruby/1.9/gems/logstash-output-elasticsearch-2.5.5-java/lib/logstash/outputs/elasticsearch/http_client.rb:53:in `non_threadsafe_bulk'", "/opt/logstash/vendor/bundle/jruby/1.9/gems/logstash-output-elasticsearch-2.5.5-java/lib/logstash/outputs/elasticsearch/http_client.rb:38:in `bulk'", "org/jruby/ext/thread/Mutex.java:149:in `synchronize'", "/opt/logstash/vendor/bundle/jruby/1.9/gems/logstash-output-elasticsearch-2.5.5-java/lib/logstash/outputs/elasticsearch/http_client.rb:38:in `bulk'", "/opt/logstash/vendor/bundle/jruby/1.9/gems/logstash-output-elasticsearch-2.5.5-java/lib/logstash/outputs/elasticsearch/common.rb:163:in `safe_bulk'", "/opt/logstash/vendor/bundle/jruby/1.9/gems/logstash-output-elasticsearch-2.5.5-java/lib/logstash/outputs/elasticsearch/common.rb:101:in `submit'", "/opt/logstash/vendor/bundle/jruby/1.9/gems/logstash-output-elasticsearch-2.5.5-java/lib/logstash/outputs/elasticsearch/common.rb:86:in `retrying_submit'", "/opt/logstash/vendor/bundle/jruby/1.9/gems/logstash-output-elasticsearch-2.5.5-java/lib/logstash/outputs/elasticsearch/common.rb:29:in `multi_receive'", "org/jruby/RubyArray.java:1653:in `each_slice'", "/opt/logstash/vendor/bundle/jruby/1.9/gems/logstash-output-elasticsearch-2.5.5-java/lib/logstash/outputs/elasticsearch/common.rb:28:in `multi_receive'", "/opt/logstash/vendor/bundle/jruby/1.9/gems/logstash-core-2.2.4-java/lib/logstash/output_delegator.rb:130:in `worker_multi_receive'", "/opt/logstash/vendor/bundle/jruby/1.9/gems/logstash-core-2.2.4-java/lib/logstash/output_delegator.rb:129:in `worker_multi_receive'", "/opt/logstash/vendor/bundle/jruby/1.9/gems/logstash-core-2.2.4-java/lib/logstash/output_delegator.rb:114:in `multi_receive'", "/opt/logstash/vendor/bundle/jruby/1.9/gems/logstash-core-2.2.4-java/lib/logstash/pipeline.rb:293:in `output_batch'", "org/jruby/RubyHash.java:1342:in `each'", "/opt/logstash/vendor/bundle/jruby/1.9/gems/logstash-core-2.2.4-java/lib/logstash/pipeline.rb:293:in `output_batch'", "/opt/logstash/vendor/bundle/jruby/1.9/gems/logstash-core-2.2.4-java/lib/logstash/pipeline.rb:224:in `worker_loop'", "/opt/logstash/vendor/bundle/jruby/1.9/gems/logstash-core-2.2.4-java/lib/logstash/pipeline.rb:193:in `start_workers'"], :level=>:warn}

Anything I could try to get around this?

warkolm · January 3, 2017, 6:09am

Are you running more recent versions at least?

afanencoo · January 3, 2017, 9:45pm

Version of what specifically?
Elasticsearch 2.4.3
logstash 2.2.4-1
kibana 4.42

warkolm · January 3, 2017, 10:57pm

Versions of the stack, we're up to 5.1.1

What does your LS config actually look like?

system · January 31, 2017, 10:57pm

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