{:timestamp=>"2016-05-04T11:29:32.729000+0000", :message=>"Beats input: unhandled exception", :exception=>#<NoMethodError: undefined method `/' for nil:NilClass>, :backtrace=>["/opt/logstash/vendor/bundle/jruby/1.9/gems/logstash-input-beats-2.2.8/lib/lumberjack/beats/server.rb:574:in `initialize'", "/opt/logstash/vendor/bundle/jruby/1.9/gems/logstash-input-beats-2.2.8/lib/lumberjack/beats/server.rb:516:in `reset_next_ack'", "/opt/logstash/vendor/bundle/jruby/1.9/gems/logstash-input-beats-2.2.8/lib/lumberjack/beats/server.rb:467:in `read_socket'", "/opt/logstash/vendor/bundle/jruby/1.9/gems/logstash-input-beats-2.2.8/lib/lumberjack/beats/server.rb:324:in `window_size'", "/opt/logstash/vendor/bundle/jruby/1.9/gems/logstash-input-beats-2.2.8/lib/lumberjack/beats/server.rb:251:in `feed'", "/opt/logstash/vendor/bundle/jruby/1.9/gems/logstash-input-beats-2.2.8/lib/lumberjack/beats/server.rb:462:in `read_socket'", "/opt/logstash/vendor/bundle/jruby/1.9/gems/logstash-input-beats-2.2.8/lib/lumberjack/beats/server.rb:442:in `run'", "/opt/logstash/vendor/bundle/jruby/1.9/gems/logstash-input-beats-2.2.8/lib/logstash/inputs/beats_support/connection_handler.rb:34:in `accept'", "/opt/logstash/vendor/bundle/jruby/1.9/gems/logstash-input-beats-2.2.8/lib/logstash/inputs/beats.rb:211:in `handle_new_connection'", "/opt/logstash/vendor/bundle/jruby/1.9/gems/logstash-input-beats-2.2.8/lib/logstash/inputs/beats_support/circuit_breaker.rb:42:in `execute'", "/opt/logstash/vendor/bundle/jruby/1.9/gems/logstash-input-beats-2.2.8/lib/logstash/inputs/beats.rb:211:in `handle_new_connection'", "/opt/logstash/vendor/bundle/jruby/1.9/gems/logstash-input-beats-2.2.8/lib/logstash/inputs/beats.rb:167:in `run'"], :level=>:error}
    {:timestamp=>"2016-05-04T11:29:41.217000+0000", :message=>"Beats input: unhandled exception", :exception=>#<Errno::EBADF: Bad file descriptor - Bad file descriptor>, :backtrace=>["org/jruby/RubyIO.java:2996:in `sysread'", "/opt/logstash/vendor/bundle/jruby/1.9/gems/logstash-input-beats-2.2.8/lib/lumberjack/beats/server.rb:462:in `read_socket'", "/opt/logstash/vendor/bundle/jruby/1.9/gems/logstash-input-beats-2.2.8/lib/lumberjack/beats/server.rb:442:in `run'", "/opt/logstash/vendor/bundle/jruby/1.9/gems/logstash-input-beats-2.2.8/lib/logstash/inputs/beats_support/connection_handler.rb:34:in `accept'", "/opt/logstash/vendor/bundle/jruby/1.9/gems/logstash-input-beats-2.2.8/lib/logstash/inputs/beats.rb:211:in `handle_new_connection'", "/opt/logstash/vendor/bundle/jruby/1.9/gems/logstash-input-beats-2.2.8/lib/logstash/inputs/beats_support/circuit_breaker.rb:42:in `execute'", "/opt/logstash/vendor/bundle/jruby/1.9/gems/logstash-input-beats-2.2.8/lib/logstash/inputs/beats.rb:211:in `handle_new_connection'", "/opt/logstash/vendor/bundle/jruby/1.9/gems/logstash-input-beats-2.2.8/lib/logstash/inputs/beats.rb:167:in `run'"], :level=>:error}
    {:timestamp=>"2016-05-04T11:36:26.530000+0000", :message=>"Beats input: unhandled exception", :exception=>#<LogStash::Json::ParserError: Unexpected character ('J' (code 74)): Expected space separating root-level values
     at [Source: [B@ab57bc2; line: 1, column: 3]>, :backtrace=>["/opt/logstash/vendor/bundle/jruby/1.9/gems/logstash-core-2.3.2-java/lib/logstash/json.rb:41:in `jruby_load'", "/opt/logstash/vendor/bundle/jruby/1.9/gems/logstash-core-2.3.2-java/lib/logstash/json.rb:38:in `jruby_load'", "/opt/logstash/vendor/bundle/jruby/1.9/gems/logstash-input-beats-2.2.8/lib/lumberjack/beats/server.rb:334:in `json_data_payload'", "/opt/logstash/vendor/bundle/jruby/1.9/gems/logstash-input-beats-2.2.8/lib/lumberjack/beats/server.rb:251:in `feed'", "/opt/logstash/vendor/bundle/jruby/1.9/gems/logstash-input-beats-2.2.8/lib/lumberjack/beats/server.rb:462:in `read_socket'", "/opt/logstash/vendor/bundle/jruby/1.9/gems/logstash-input-beats-2.2.8/lib/lumberjack/beats/server.rb:442:in `run'", "/opt/logstash/vendor/bundle/jruby/1.9/gems/logstash-input-beats-2.2.8/lib/logstash/inputs/beats_support/connection_handler.rb:34:in `accept'", "/opt/logstash/vendor/bundle/jruby/1.9/gems/logstash-input-beats-2.2.8/lib/logstash/inputs/beats.rb:211:in `handle_new_connection'", "/opt/logstash/vendor/bundle/jruby/1.9/gems/logstash-input-beats-2.2.8/lib/logstash/inputs/beats_support/circuit_breaker.rb:42:in `execute'", "/opt/logstash/vendor/bundle/jruby/1.9/gems/logstash-input-beats-2.2.8/lib/logstash/inputs/beats.rb:211:in `handle_new_connection'", "/opt/logstash/vendor/bundle/jruby/1.9/gems/logstash-input-beats-2.2.8/lib/logstash/inputs/beats.rb:167:in `run'"], :level=>:error}
    {:timestamp=>"2016-05-04T11:38:31.375000+0000", :message=>"Beats input: unhandled exception", :exception=>#<NoMethodError: undefined method `<=' for nil:NilClass>, :backtrace=>["/opt/logstash/vendor/bundle/jruby/1.9/gems/logstash-input-beats-2.2.8/lib/lumberjack/beats/server.rb:270:in `have?'", "/opt/logstash/vendor/bundle/jruby/1.9/gems/logstash-input-beats-2.2.8/lib/lumberjack/beats/server.rb:251:in `feed'", "/opt/logstash/vendor/bundle/jruby/1.9/gems/logstash-input-beats-2.2.8/lib/lumberjack/beats/server.rb:462:in `read_socket'", "/opt/logstash/vendor/bundle/jruby/1.9/gems/logstash-input-beats-2.2.8/lib/lumberjack/beats/server.rb:442:in `run'", "/opt/logstash/vendor/bundle/jruby/1.9/gems/logstash-input-beats-2.2.8/lib/logstash/inputs/beats_support/connection_handler.rb:34:in `accept'", "/opt/logstash/vendor/bundle/jruby/1.9/gems/logstash-input-beats-2.2.8/lib/logstash/inputs/beats.rb:211:in `handle_new_connection'", "/opt/logstash/vendor/bundle/jruby/1.9/gems/logstash-input-beats-2.2.8/lib/logstash/inputs/beats_support/circuit_breaker.rb:42:in `execute'", "/opt/logstash/vendor/bundle/jruby/1.9/gems/logstash-input-beats-2.2.8/lib/logstash/inputs/beats.rb:211:in `handle_new_connection'", "/opt/logstash/vendor/bundle/jruby/1.9/gems/logstash-input-beats-2.2.8/lib/logstash/inputs/beats.rb:167:in `run'"], :level=>:error}
    {:timestamp=>"2016-05-04T11:48:49.167000+0000", :message=>"Beats input: unhandled exception", :exception=>#<Zlib::BufError: buffer error>, :backtrace=>["org/jruby/ext/zlib/ZStream.java:134:in `finish'", "org/jruby/ext/zlib/JZlibInflate.java:72:in `inflate'", "/opt/logstash/vendor/bundle/jruby/1.9/gems/logstash-input-beats-2.2.8/lib/lumberjack/beats/server.rb:380:in `compressed_payload'", "/opt/logstash/vendor/bundle/jruby/1.9/gems/logstash-input-beats-2.2.8/lib/lumberjack/beats/server.rb:251:in `feed'", "/opt/logstash/vendor/bundle/jruby/1.9/gems/logstash-input-beats-2.2.8/lib/lumberjack/beats/server.rb:462:in `read_socket'", "/opt/logstash/vendor/bundle/jruby/1.9/gems/logstash-input-beats-2.2.8/lib/lumberjack/beats/server.rb:442:in `run'", "/opt/logstash/vendor/bundle/jruby/1.9/gems/logstash-input-beats-2.2.8/lib/logstash/inputs/beats_support/connection_handler.rb:34:in `accept'", "/opt/logstash/vendor/bundle/jruby/1.9/gems/logstash-input-beats-2.2.8/lib/logstash/inputs/beats.rb:211:in `handle_new_connection'", "/opt/logstash/vendor/bundle/jruby/1.9/gems/logstash-input-beats-2.2.8/lib/logstash/inputs/beats_support/circuit_breaker.rb:42:in `execute'", "/opt/logstash/vendor/bundle/jruby/1.9/gems/logstash-input-beats-2.2.8/lib/logstash/inputs/beats.rb:211:in `handle_new_connection'", "/opt/logstash/vendor/bundle/jruby/1.9/gems/logstash-input-beats-2.2.8/lib/logstash/inputs/beats.rb:167:in `run'"], :level=>:error}
    {:timestamp=>"2016-05-04T11:51:45.854000+0000", :message=>"Beats input: unhandled exception", :exception=>#<LogStash::Json::ParserError: Unexpected character ('J' (code 74)): Expected space separating root-level values
     at [Source: [B@67c12a7d; line: 1, column: 3]>, :backtrace=>["/opt/logstash/vendor/bundle/jruby/1.9/gems/logstash-core-2.3.2-java/lib/logstash/json.rb:41:in `jruby_load'", "/opt/logstash/vendor/bundle/jruby/1.9/gems/logstash-core-2.3.2-java/lib/logstash/json.rb:38:in `jruby_load'", "/opt/logstash/vendor/bundle/jruby/1.9/gems/logstash-input-beats-2.2.8/lib/lumberjack/beats/server.rb:334:in `json_data_payload'", "/opt/logstash/vendor/bundle/jruby/1.9/gems/logstash-input-beats-2.2.8/lib/lumberjack/beats/server.rb:251:in `feed'", "/opt/logstash/vendor/bundle/jruby/1.9/gems/logstash-input-beats-2.2.8/lib/lumberjack/beats/server.rb:462:in `read_socket'", "/opt/logstash/vendor/bundle/jruby/1.9/gems/logstash-input-beats-2.2.8/lib/lumberjack/beats/server.rb:442:in `run'", "/opt/logstash/vendor/bundle/jruby/1.9/gems/logstash-input-beats-2.2.8/lib/logstash/inputs/beats_support/connection_handler.rb:34:in `accept'", "/opt/logstash/vendor/bundle/jruby/1.9/gems/logstash-input-beats-2.2.8/lib/logstash/inputs/beats.rb:211:in `handle_new_connection'", "/opt/logstash/vendor/bundle/jruby/1.9/gems/logstash-input-beats-2.2.8/lib/logstash/inputs/beats_support/circuit_breaker.rb:42:in `execute'", "/opt/logstash/vendor/bundle/jruby/1.9/gems/logstash-input-beats-2.2.8/lib/logstash/inputs/beats.rb:211:in `handle_new_connection'", "/opt/logstash/vendor/bundle/jruby/1.9/gems/logstash-input-beats-2.2.8/lib/logstash/inputs/beats.rb:167:in `run'"], :level=>:error}