NoMethodError: undefined method `<=' for nil:NilClass
map_cleanup at /LAPPOMS/usr/ppap_oms/logstash/logstash-2.1.0/vendor/bundle/jruby/1.9/gems/logstash-codec-multiline-2.0.4/lib/logstash/codecs/identity_map_codec.rb:193
delete_if at org/jruby/RubyHash.java:1642
map_cleanup at /LAPPOMS/usr/ppap_oms/logstash/logstash-2.1.0/vendor/bundle/jruby/1.9/gems/logstash-codec-multiline-2.0.4/lib/logstash/codecs/identity_map_codec.rb:192
start at /LAPPOMS/usr/ppap_oms/logstash/logstash-2.1.0/vendor/bundle/jruby/1.9/gems/logstash-codec-multiline-2.0.4/lib/logstash/codecs/identity_map_codec.rb:53
loop at org/jruby/RubyKernel.java:1479
start at /LAPPOMS/usr/ppap_oms/logstash/logstash-2.1.0/vendor/bundle/jruby/1.9/gems/logstash-codec-multiline-2.0.4/lib/logstash/codecs/identity_map_codec.rb:50
NoMethodError: undefined method `<=' for nil:NilClass map_cleanup at /LAPPOMS/usr/ppap_oms/logstash/logstash-2.1.0/vendor/bundle/jruby/1.9/gems/logstash-codec-multiline-2.0.4/lib/logstash/codecs/identity_map_codec.rb:193 delete_if at org/jruby/RubyHash.java:1642 map_cleanup at /LAPPOMS/usr/ppap_oms/logstash/logstash-2.1.0/vendor/bundle/jruby/1.9/gems/logstash-codec-multiline-2.0.4/lib/logstash/codecs/identity_map_codec.rb:192 start at /LAPPOMS/usr/ppap_oms/logstash/logstash-2.1.0/vendor/bundle/jruby/1.9/gems/logstash-codec-multiline-2.0.4/lib/logstash/codecs/identity_map_codec.rb:53 loop at org/jruby/RubyKernel.java:1479 start at /LAPPOMS/usr/ppap_oms/logstash/logstash-2.1.0/vendor/bundle/jruby/1.9/gems/logstash-codec-multiline-2.0.4/lib/logstash/codecs/identity_map_codec.rb:50