Can any one check what is this error about

[sravankumarch]

{:timestamp=>"2017-06-01T10:18:40.210000+0000", :message=>"Pipeline aborted due to error", :exception=>#<LogStash::ConfigurationError: The setting host in plu gin elasticsearch is obsolete and is no longer available. Please use the 'host s' 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 ht tps://discuss.elastic.co/c/logstash and ask.>, :backtrace=>["/opt/logstash/vendo r/bundle/jruby/1.9/gems/logstash-core-2.3.4-java/lib/logstash/config/mixin.rb:87 :in config_init'", "org/jruby/RubyHash.java:1342:ineach'", "/opt/logstash/ven dor/bundle/jruby/1.9/gems/logstash-core-2.3.4-java/lib/logstash/config/mixin.rb: 71:in config_init'", "/opt/logstash/vendor/bundle/jruby/1.9/gems/logstash-core- 2.3.4-java/lib/logstash/outputs/base.rb:63:ininitialize'", "/opt/logstash/vend or/bundle/jruby/1.9/gems/logstash-core-2.3.4-java/lib/logstash/output_delegator. rb:74:in register'", "/opt/logstash/vendor/bundle/jruby/1.9/gems/logstash-core- 2.3.4-java/lib/logstash/pipeline.rb:181:instart_workers'", "org/jruby/RubyArra y.java:1613:in each'", "/opt/logstash/vendor/bundle/jruby/1.9/gems/logstash-cor e-2.3.4-java/lib/logstash/pipeline.rb:181:instart_workers'", "/opt/logstash/ve ndor/bundle/jruby/1.9/gems/logstash-core-2.3.4-java/lib/logstash/pipeline.rb:136 :in run'", "/opt/logstash/vendor/bundle/jruby/1.9/gems/logstash-core-2.3.4-java /lib/logstash/agent.rb:473:instart_pipeline'"], :level=>:error}
{:timestamp=>"2017-06-01T10:18:43.221000+0000", :message=>"stopping pipeline", : id=>"main"}

[cbuescher (Christoph)]

It looks like a logstash error, so you might be better off asking this question in the Logstash section of this forum.