Logstash 5.6.2 Crashing


I am running Logstash 5.6.2 on Linux environment. It runs for some time, sometimes for 2-3 days but then it suddenly stops. Following are the logs:

] An unexpected error occurred! {:error=>#<NoMethodError: undefined method map_cleanup' for nil:NilClass>, :backtrace=>["/var/opt/elk/elk-configuration/logstash/logstash_distribution/logstash_instance_2/logstash-5.6.2/vendor/bundle/jruby/1.9/gems/logstash-codec-multiline-3.0.7/lib/logstash/codecs/identity_map_codec.rb:55:instart'"

Please help.


This looks like a bug, can you make sure to post an issue to https://github.com/elastic/logstash/issues ?


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