Logstash.outputs.elasticsearch : Failed to install template

Elastic Stack Logstash
2

Your log shows:

[2018-10-22T19:01:52,136][ERROR][logstash.outputs.elasticsearch] Failed to install template. {:message=>"Got response code '400' contacting Elasticsearch at URL 'http://localhost:9200/_template/datamobi'"

It gets a 400 error code.

  • What do you get in the ES logs?
  • What do you get when you call GET /_template?
  • Why do you specify inside output->elasticsearch ->index the index name datamobi_in_%{index_day}, but you create a template for the index template_test?
  • Why do you have an array inside output->elasticsearch->template_name? It should be a string according to documentation: doc
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