Error message
[2019-12-27T11:00:49,493][ERROR][logstash.inputs.udp ] UDP listener died {:exception=>#<Errno::EADDRINUSE: Address already in use - bind - Address already in use>, :backtrace=>["org/jruby/ext/socket/RubyUDPSocket.java:161:in `bind'", "/usr/share/logstash/vendor/bundle/jruby/1.9/gems/logstash-input-udp-3.3.4/lib/logstash/inputs/udp.rb:116:in `udp_listener'", "/usr/share/logstash/vendor/bundle/jruby/1.9/gems/logstash-input-udp-3.3.4/lib/logstash/inputs/udp.rb:68:in `run'", "/usr/share/logstash/logstash-core/lib/logstash/pipeline.rb:470:in `inputworker'", "/usr/share/logstash/logstash-core/lib/logstash/pipeline.rb:463:in `start_input'"]}
Impact
16500+ errors as of now just for today at this moment: https://logstash-beta.wmflabs.org/goto/446f9bb7bb29f5fcef023321ac1e7003. 630,000+ errors in December.