logstash error
[2017-05-10T08:50:56,328][WARN ][logstash.outputs.elasticsearch] Failed action. {:status=>400, :action=>["index", {:_id=>nil, :_index=>"filebeat-aniutv-access-2017.05.10", :_type=>"aniutv-access", :_routing=>nil}, 2017-05-10T00:50:51.000Z localhost.localdomain %{message}], :response=>{"index"=>{"_index"=>"filebeat-aniutv-access-2017.05.10", "_type"=>"aniutv-access", "_id"=>"AVvv1mKt_b-4JY4-UTwo", "status"=>400, "error"=>{"type"=>"mapper_parsing_exception", "reason"=>"failed to parse [nginx.access.user_agent.patch]", "caused_by"=>{"type"=>"number_format_exception", "reason"=>"For input string: "b4""}}}}}
elk version 5.4 +openjdk1.8
when i config elk+filebeat,the can Normal collection log, But after running for a while, the paper is wrong. Who can help to see the above problem.My elk configuration is based on the website, using the filebeat template to collect nginx's access log
