here is the logstash.log view :
[root@localhost bin]# sudo tail /var/log/logstash/logstash.log {:timestamp=>"2016-05-05T08:57:15.979000+0300", :message=>"Pipeline aborted due to error", :exception=>#<LogStash::ConfigurationError: The setting
hostin plugin
elasticsearchis obsolete and is no longer available. Please use the 'hosts' setting instead. You can specify multiple entries separated by comma in 'host:port' format. If you have any questions about this, you are invited to visit https://discuss.elastic.co/c/logstash and ask.>, :backtrace=>["/opt/logstash/vendor/bundle/jruby/1.9/gems/logstash-core-2.3.2-java/lib/logstash/config/mixin.rb:87:in
config_init'", "org/jruby/RubyHash.java:1342:in each'", "/opt/logstash/vendor/bundle/jruby/1.9/gems/logstash-core-2.3.2-java/lib/logstash/config/mixin.rb:71:in
config_init'", "/opt/logstash/vendor/bundle/jruby/1.9/gems/logstash-core-2.3.2-java/lib/logstash/outputs/base.rb:63:in initialize'", "/opt/logstash/vendor/bundle/jruby/1.9/gems/logstash-core-2.3.2-java/lib/logstash/output_delegator.rb:74:in
register'", "/opt/logstash/vendor/bundle/jruby/1.9/gems/logstash-core-2.3.2-java/lib/logstash/pipeline.rb:181:in start_workers'", "org/jruby/RubyArray.java:1613:in
each'", "/opt/logstash/vendor/bundle/jruby/1.9/gems/logstash-core-2.3.2-java/lib/logstash/pipeline.rb:181:in start_workers'", "/opt/logstash/vendor/bundle/jruby/1.9/gems/logstash-core-2.3.2-java/lib/logstash/pipeline.rb:136:in
run'", "/opt/logstash/vendor/bundle/jruby/1.9/gems/logstash-core-2.3.2-java/lib/logstash/agent.rb:465:in start_pipeline'"], :level=>:error} {:timestamp=>"2016-05-05T08:57:18.982000+0300", :message=>"stopping pipeline", :id=>"main"} {:timestamp=>"2016-05-05T22:52:50.847000+0300", :message=>"Pipeline aborted due to error", :exception=>#<LogStash::ConfigurationError: The setting
hostin plugin
elasticsearchis obsolete and is no longer available. Please use the 'hosts' setting instead. You can specify multiple entries separated by comma in 'host:port' format. If you have any questions about this, you are invited to visit https://discuss.elastic.co/c/logstash and ask.>, :backtrace=>["/opt/logstash/vendor/bundle/jruby/1.9/gems/logstash-core-2.3.2-java/lib/logstash/config/mixin.rb:87:in
config_init'", "org/jruby/RubyHash.java:1342:in each'", "/opt/logstash/vendor/bundle/jruby/1.9/gems/logstash-core-2.3.2-java/lib/logstash/config/mixin.rb:71:in
config_init'", "/opt/logstash/vendor/bundle/jruby/1.9/gems/logstash-core-2.3.2-java/lib/logstash/outputs/base.rb:63:in initialize'", "/opt/logstash/vendor/bundle/jruby/1.9/gems/logstash-core-2.3.2-java/lib/logstash/output_delegator.rb:74:in
register'", "/opt/logstash/vendor/bundle/jruby/1.9/gems/logstash-core-2.3.2-java/lib/logstash/pipeline.rb:181:in start_workers'", "org/jruby/RubyArray.java:1613:in
each'", "/opt/logstash/vendor/bundle/jruby/1.9/gems/logstash-core-2.3.2-java/lib/logstash/pipeline.rb:181:in start_workers'", "/opt/logstash/vendor/bundle/jruby/1.9/gems/logstash-core-2.3.2-java/lib/logstash/pipeline.rb:136:in
run'", "/opt/logstash/vendor/bundle/jruby/1.9/gems/logstash-core-2.3.2-java/lib/logstash/agent.rb:465:in start_pipeline'"], :level=>:error} {:timestamp=>"2016-05-05T22:52:53.849000+0300", :message=>"stopping pipeline", :id=>"main"} {:timestamp=>"2016-05-05T23:18:59.906000+0300", :message=>"Pipeline aborted due to error", :exception=>#<LogStash::ConfigurationError: The setting
hostin plugin
elasticsearchis obsolete and is no longer available. Please use the 'hosts' setting instead. You can specify multiple entries separated by comma in 'host:port' format. If you have any questions about this, you are invited to visit https://discuss.elastic.co/c/logstash and ask.>, :backtrace=>["/opt/logstash/vendor/bundle/jruby/1.9/gems/logstash-core-2.3.2-java/lib/logstash/config/mixin.rb:87:in
config_init'", "org/jruby/RubyHash.java:1342:in each'", "/opt/logstash/vendor/bundle/jruby/1.9/gems/logstash-core-2.3.2-java/lib/logstash/config/mixin.rb:71:in
config_init'", "/opt/logstash/vendor/bundle/jruby/1.9/gems/logstash-core-2.3.2-java/lib/logstash/outputs/base.rb:63:in initialize'", "/opt/logstash/vendor/bundle/jruby/1.9/gems/logstash-core-2.3.2-java/lib/logstash/output_delegator.rb:74:in
register'", "/opt/logstash/vendor/bundle/jruby/1.9/gems/logstash-core-2.3.2-java/lib/logstash/pipeline.rb:181:in start_workers'", "org/jruby/RubyArray.java:1613:in
each'", "/opt/logstash/vendor/bundle/jruby/1.9/gems/logstash-core-2.3.2-java/lib/logstash/pipeline.rb:181:in start_workers'", "/opt/logstash/vendor/bundle/jruby/1.9/gems/logstash-core-2.3.2-java/lib/logstash/pipeline.rb:136:in
run'", "/opt/logstash/vendor/bundle/jruby/1.9/gems/logstash-core-2.3.2-java/lib/logstash/agent.rb:465:in `start_pipeline'"], :level=>:error}
{:timestamp=>"2016-05-05T23:19:02.928000+0300", :message=>"stopping pipeline", :id=>"main"}
[root@localhost bin]#
Thanks,