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up vote 0 down vote favorite

I am migrating from ES 1.7 to 5.2 and refactoring the following code.

ES 1.7

public void prepare(final SearchRequestBuilder searchRequestBuilder) {
        final TermsFacetBuilder labelsFacet = FacetBuilders
                .termsFacet("labels")
                .field("labels");
        searchRequestBuilder.addFacet(labelsFacet);
        searchRequestBuilder.setFrom(start);
        searchRequestBuilder.setSize(size);
    }

with ES 5.2

 public void prepare(final SearchRequestBuilder searchRequestBuilder) {
        TermsAggregationBuilder aggregation = AggregationBuilders.terms("labels").field("labels");
        searchRequestBuilder.addAggregation(aggregation);
        searchRequestBuilder.setFrom(start);
        searchRequestBuilder.setSize(size);
    }

When I fire the search query I am getting the following exception

nested: IllegalArgumentException[Fielddata is disabled on text fields by default. Set fielddata=true on [labels] in order to load fielddata in memory by uninverting the inverted index. Note that this can however use significant memory.]

I also tried setting the fieldDocValue on SearchRequestBuilder but no luck.

share|improve this question
    
Did you Set fielddata=true on [labels], as the error message said? – Jeremy 19 hours ago
    
@Jeremy, How do we set it? – Santosh 19 hours ago
up vote 1 down vote accepted

As per the error message, you need to enable fielddata in your mapping.

For example, here is a new mapping using fielddata=true on a text field.

PUT my_index/_mapping/my_type
{
  "properties": {
    "my_field": { 
      "type":     "text",
      "fielddata": true
    }
  }
}
share|improve this answer
    
Thanks @Jeremy. Actually, I wanted to set it using Java API. I tried searching on ES documentation but did not found one. – Santosh 18 hours ago

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