Rails elasticsearch.create_index! "Root mapping definition has unsupported parameters(mapper_parsing_exception)"

Question

I have trouble with elasticsearch-rails, when I'm using Business.__elasticsearch__.create_index! I'm getting an error:

{"error":{"root_cause":[{"type":"mapper_parsing_exception","reason":"Root mapping definition has unsupported parameters: [business : {dynamic=true, properties={id={type=integer}}}]"}],"type":"mapper_parsing_exception","reason":"Failed to parse mapping [_doc]: Root mapping definition has unsupported parameters: [business : {dynamic=true, properties={id={type=integer}}}]","caused_by":{"type":"mapper_parsing_exception","reason":"Root mapping definition has unsupported parameters: [business : {dynamic=true, properties={id={type=integer}}}]"}},"status":400}

Behind that request is:

PUT http://localhost:9200/development_businesses [status:400, request:0.081s, query:N/A] {"settings":{"index":{"number_of_shards":1}},"mappings":{"business":{"dynamic":"true","properties":{"id":{"type":"integer"}}}}}

My Model code:

`
after_save :reindex_model
Elasticsearch::Model.client = Elasticsearch::Client.new url: ENV['BONSAI_URL'], log: true
include Elasticsearch::Model
include Elasticsearch::Model::Callbacks
index_name [Rails.env, model_name.collection.gsub('///', '-')].join('_')
document_type self.name.downcase
`

I have defined my mapping:

`
settings index: { number_of_shards: 1 } do
    mappings dynamic: 'true' do
        indexes :id, type: 'integer'
    end
end
`

If you are using version 7.x stackoverflow.com/questions/58629372/… — Assael Azran
– Assael Azran, Commented Dec 2, 2019 at 14:35

A l w a y s S u n n y · Accepted Answer · 2019-12-02 14:50:36Z

5

Remove the part {"business":{"dynamic":"true"}} while creating the mapping. Try like below that works fine for me-

PUT /development_businesses/
{
  "settings": {
    "index": {
      "number_of_shards": 1
    }
  },
  "mappings": {
      "properties": {
        "id": {
          "type": "integer"
        }
      }
  }
}

answered Dec 2, 2019 at 14:50

A l w a y s S u n n y

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4 Comments

Ahmad Ali Over a year ago

I can remove dynamic: 'true', but how I can remove 'business' using rails code.

A l w a y s S u n n y Over a year ago

@AhmadAli brother I not familiar with ruby that's why couldn't help you here

Ahmad Ali Over a year ago

Your answer is right @Sunny and as in my case, I removed document_type from my Model class, and now everything works fine.

A l w a y s S u n n y Over a year ago

@AhmadAli glad it helps you somehow :)

null · Accepted Answer · 2020-05-03 14:27:01Z

As of ES 7, mapping types have been removed. You can read more details here

If you are using Ruby On Rails this means that you may need to remove document_type from your model or concern.

As an alternative to mapping types one solution is to use an index per document type.

Before:

module Searchable
  extend ActiveSupport::Concern

  included do
    include Elasticsearch::Model
    include Elasticsearch::Model::Callbacks
    index_name [Rails.env, Rails.application.class.module_parent_name.underscore].join('_')
    document_type self.name.downcase
  end
end

After:

module Searchable
  extend ActiveSupport::Concern

  included do
    include Elasticsearch::Model
    include Elasticsearch::Model::Callbacks
    index_name [Rails.env, Rails.application.class.module_parent_name.underscore, self.name.downcase].join('_')
  end
end

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