Hi,
Just install Logstash on mac following [install instruction] (https://www.elastic.co/guide/en/logstash/current/installing-logstash.html#installing-binary).
First example works fine (bin/logstash -e 'input { stdin { } } output { stdout {} }')
[second one] (https://www.elastic.co/guide/en/logstash/current/advanced-pipeline.html#advanced-pipeline) fails with the following error
Pipeline aborted due to error {:exception=>"ArgumentError", :backtrace=>["/Users/Denis/Documents/elk/logstash-2.4.0/vendor/bundle/jruby/1.9/gems/logstash-input-file-2.2.5/lib/logstash/inputs/file.rb:187:in register'", "org/jruby/RubyArray.java:1613:in
each'", "/Users/Denis/Documents/elk/logstash-2.4.0/vendor/bundle/jruby/1.9/gems/logstash-input-file-2.2.5/lib/logstash/inputs/file.rb:185:in register'", "/Users/Denis/Documents/elk/logstash-2.4.0/vendor/bundle/jruby/1.9/gems/logstash-core-2.4.0-java/lib/logstash/pipeline.rb:330:in
start_inputs'", "org/jruby/RubyArray.java:1613:in each'", "/Users/Denis/Documents/elk/logstash-2.4.0/vendor/bundle/jruby/1.9/gems/logstash-core-2.4.0-java/lib/logstash/pipeline.rb:329:in
start_inputs'", "/Users/Denis/Documents/elk/logstash-2.4.0/vendor/bundle/jruby/1.9/gems/logstash-core-2.4.0-java/lib/logstash/pipeline.rb:180:in start_workers'", "/Users/Denis/Documents/elk/logstash-2.4.0/vendor/bundle/jruby/1.9/gems/logstash-core-2.4.0-java/lib/logstash/pipeline.rb:136:in
run'", "/Users/Denis/Documents/elk/logstash-2.4.0/vendor/bundle/jruby/1.9/gems/logstash-core-2.4.0-java/lib/logstash/agent.rb:491:in `start_pipeline'"], :level=>:error}
Any idea why is not working as instructed ???