Error: undefined method `<=' for nil:NilClass>,

[polymorfiqcoder (Евгений Чурсин)]

try to push windows EventLog into logstash and get pereodicaly .. `<=' for nil:NilClass>,
Woindows 2008r2 w/Cyrilic locale

input {
    
    # get events from NxLog via tcp+json
    tcp {
        type => "EventLog"
	codec => json { charset => "CP1251" }
        host => "127.0.0.1"
        port => "3515"
        tags => [ "tcpjson" ]
    }
       
output {
    stdout { codec => rubydebug }
}
}

16:46:08.365 [[main]>worker3] ERROR logstash.pipeline - Exception in pipelineworker, the pipeline stopped processing new events, please check your filter configuration and restart Logstash. {"exception"=>#<NoMethodError: undefined method <=' for nil:NilClass>, "backtrace"=>["(eval):606:in initialize'", "org/jruby/RubyArray.java:1613:in each'", "(eval):604:in initialize'", "org/jruby/RubyProc.java:281:in call'", "(eval):623:in initialize'", "org/jruby/RubyArray.java:1613:in each'", "(eval):618:in initialize'", "org/jruby/RubyProc.java:281:in call'", "(eval):293:in filter_func'", "C:/Apps/logstash/logstash-core/lib/logstash/pipeline.rb:300:in filter_batch'", "org/jruby/RubyProc.java:281:in call'", "C:/Apps/logstash/logstash-core/lib/logstash/util/wrapped_synchronous_queue.rb:201:in each'", "org/jruby/RubyHash.java:1342:in each'", "C:/Apps/logstash/logstash-core/lib/logstash/util/wrapped_synchronous_queue.rb:200:in each'", "C:/Apps/logstash/logstash-core/lib/logstash/pipeline.rb:299:in filter_batch'", "C:/Apps/logstash/logstash-core/lib/logstash/pipeline.rb:287:in worker_loop'", "C:/Apps/logstash/logstash-core/lib/logstash/pipeline.rb:263:in start_workers'"]}
16:46:08.458 [LogStash::Runner] FATAL logstash.runner - An unexpected error occurred! {:error=>#<NoMethodError: undefined method <=' for nil:NilClass>, :backtrace=>["(eval):606:in initialize'", "org/jruby/RubyArray.java:1613:in each'", "(eval):604:in initialize'", "org/jruby/RubyProc.java:281:in call'", "(eval):623:in initialize'", "org/jruby/RubyArray.java:1613:in each'", "(eval):618:in initialize'", "org/jruby/RubyProc.java:281:in call'", "(eval):293:in filter_func'", "C:/Apps/logstash/logstash-core/lib/logstash/pipeline.rb:300:in filter_batch'", "org/jruby/RubyProc.java:281:in call'", "C:/Apps/logstash/logstash-core/lib/logstash/util/wrapped_synchronous_queue.rb:201:in each'", "org/jruby/RubyHash.java:1342:in each'", "C:/Apps/logstash/logstash-core/lib/logstash/util/wrapped_synchronous_queue.rb:200:in each'", "C:/Apps/logstash/logstash-core/lib/logstash/pipeline.rb:299:in filter_batch'", "C:/Apps/logstash/logstash-core/lib/logstash/pipeline.rb:287:in worker_loop'", "C:/Apps/logstash/logstash-core/lib/logstash/pipeline.rb:263:in start_workers'"]}
16:46:08.614 [Ruby-0-Thread-8: C:/Apps/logstash/vendor/bundle/jruby/1.9/gems/logstash-input-tcp-4.1.0/lib/logstash/inputs/tcp.rb:150] ERROR logstash.inputs.tcp - An error occurred. Closing connection {:client=>"127.0.0.1:57806", :exception=>#<Errno::EBADF: Bad file descriptor - Bad file descriptor>, :backtrace=>["org/jruby/RubyIO.java:3037:in sysread'", "C:/Apps/logstash/vendor/bundle/jruby/1.9/gems/logstash-input-tcp-4.1.0/lib/logstash/inputs/tcp.rb:240:in read'", "C:/Apps/logstash/vendor/bundle/jruby/1.9/gems/logstash-input-tcp-4.1.0/lib/logstash/inputs/tcp.rb:164:in handle_socket'", "C:/Apps/logstash/vendor/bundle/jruby/1.9/gems/logstash-input-tcp-4.1.0/lib/logstash/inputs/tcp.rb:153:in server_connection_thread'"]}

[polymorfiqcoder (Евгений Чурсин)]

some more logs:

09:37:51.826 [[main]>worker1] ERROR logstash.pipeline - Exception in pipelineworker, the pipeline stopped processing new events, please check your filter configuration and restart Logstash. {"exception"=>#<NoMethodError: undefined method `<=' for nil:NilClass>, "backtrace"=>["(eval):722:in `initialize'", "org/jruby/RubyArray.java:1613:in `each'", "(eval):720:in `initialize'", "org/jruby/RubyProc.java:281:in `call'", "(eval):753:in `initialize'", "org/jruby/RubyArray.java:1613:in `each'", "(eval):748:in `initialize'", "org/jruby/RubyProc.java:281:in `call'", "(eval):330:in `filter_func'", "C:/Apps/logstash/logstash-core/lib/logstash/pipeline.rb:300:in `filter_batch'", "org/jruby/RubyProc.java:281:in `call'", "C:/Apps/logstash/logstash-core/lib/logstash/util/wrapped_synchronous_queue.rb:201:in `each'", "org/jruby/RubyHash.java:1342:in `each'", "C:/Apps/logstash/logstash-core/lib/logstash/util/wrapped_synchronous_queue.rb:200:in `each'", "C:/Apps/logstash/logstash-core/lib/logstash/pipeline.rb:299:in `filter_batch'", "C:/Apps/logstash/logstash-core/lib/logstash/pipeline.rb:287:in `worker_loop'", "C:/Apps/logstash/logstash-core/lib/logstash/pipeline.rb:263:in `start_workers'"]}
09:37:52.513 [LogStash::Runner] FATAL logstash.runner - An unexpected error occurred! {:error=>#<NoMethodError: undefined method `<=' for nil:NilClass>, :backtrace=>["(eval):722:in `initialize'", "org/jruby/RubyArray.java:1613:in `each'", "(eval):720:in `initialize'", "org/jruby/RubyProc.java:281:in `call'", "(eval):753:in `initialize'", "org/jruby/RubyArray.java:1613:in `each'", "(eval):748:in `initialize'", "org/jruby/RubyProc.java:281:in `call'", "(eval):330:in `filter_func'", "C:/Apps/logstash/logstash-core/lib/logstash/pipeline.rb:300:in `filter_batch'", "org/jruby/RubyProc.java:281:in `call'", "C:/Apps/logstash/logstash-core/lib/logstash/util/wrapped_synchronous_queue.rb:201:in `each'", "org/jruby/RubyHash.java:1342:in `each'", "C:/Apps/logstash/logstash-core/lib/logstash/util/wrapped_synchronous_queue.rb:200:in `each'", "C:/Apps/logstash/logstash-core/lib/logstash/pipeline.rb:299:in `filter_batch'", "C:/Apps/logstash/logstash-core/lib/logstash/pipeline.rb:287:in `worker_loop'", "C:/Apps/logstash/logstash-core/lib/logstash/pipeline.rb:263:in `start_workers'"]}
09:37:52.528 [Ruby-0-Thread-19: C:/Apps/logstash/vendor/bundle/jruby/1.9/gems/logstash-input-tcp-4.1.0/lib/logstash/inputs/tcp.rb:150] ERROR logstash.inputs.tcp - An error occurred. Closing connection {:client=>"127.0.0.1:50456", :exception=>#<Errno::EBADF: Bad file descriptor - Bad file descriptor>, :backtrace=>["org/jruby/RubyIO.java:3019:in `sysread'", "C:/Apps/logstash/vendor/bundle/jruby/1.9/gems/logstash-input-tcp-4.1.0/lib/logstash/inputs/tcp.rb:240:in `read'", "C:/Apps/logstash/vendor/bundle/jruby/1.9/gems/logstash-input-tcp-4.1.0/lib/logstash/inputs/tcp.rb:164:in `handle_socket'", "C:/Apps/logstash/vendor/bundle/jruby/1.9/gems/logstash-input-tcp-4.1.0/lib/logstash/inputs/tcp.rb:153:in `server_connection_thread'"]}