Failed to flush outgoing items {:outgoing_count=>93, :exception=>#<NameError: no method 'type' for arguments (org.jruby.RubyArray) on Java::OrgElasticsearchActionIndex::IndexRequest>, :backtrace=>["file:/etc/logstash/logstash.jar!/jruby-elasticsearch/bulkrequest.rb:33:in `index'", "file:/etc/logstash/logstash.jar!/logstash/outputs/elasticsearch.rb:322:in `flush'", "org/jruby/RubyArray.java:1613:in `each'", "file:/etc/logstash/logstash.jar!/logstash/outputs/elasticsearch.rb:310:in `flush'", "file:/etc/logstash/logstash.jar!/stud/buffer.rb:219:in `buffer_flush'", "org/jruby/RubyHash.java:1338:in `each'", "file:/etc/logstash/logstash.jar!/stud/buffer.rb:216:in `buffer_flush'", "file:/etc/logstash/logstash.jar!/stud/buffer.rb:193:in `buffer_flush'", "file:/etc/logstash/logstash.jar!/stud/buffer.rb:159:in `buffer_receive'", "file:/etc/logstash/logstash.jar!/logstash/outputs/elasticsearch.rb:305:in `receive'", "file:/etc/logstash/logstash.jar!/logstash/outputs/base.rb:86:in `handle'", "(eval):42:in `initialize'", "org/jruby/RubyProc.java:271:in `call'", "file:/etc/logstash/logstash.jar!/logstash/pipeline.rb:259:in `output'", "file:/etc/logstash/logstash.jar!/logstash/pipeline.rb:218:in `outputworker'", "file:/etc/logstash/logstash.jar!/logstash/pipeline.rb:145:in `start_outputs'"], :level=>:warn}