The required field option FIELDNAME FIELD getPreferredName is missing – How to solve this Elasticsearch exception

Opster Team

August-23, Version: 7.16-8.9

Briefly, this error occurs when a required field in an Elasticsearch operation is missing. This could be due to incorrect or incomplete data input. To resolve this issue, you should first identify the missing field by checking the error message. The field name is usually indicated in the error message. Once you’ve identified the missing field, ensure that it is included in your request. Also, check your data source to ensure that the required field is available and correctly mapped. If the problem persists, consider reviewing your Elasticsearch configuration or data schema.

This guide will help you check for common problems that cause the log ” the required field option [” + FIELDNAME_FIELD.getPreferredName() + “] is missing ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: search.

Log Context

Log “the required field option [” + FIELDNAME_FIELD.getPreferredName() + “] is missing” class name is We extracted the following from Elasticsearch source code for those seeking an in-depth context :

 }  // now we should have field name; check and copy fields over to the suggestion builder we return
 if (fieldname == null) {
 throw new ElasticsearchParseException("the required field option [" + FIELDNAME_FIELD.getPreferredName() + "] is missing");
 return new PhraseSuggestionBuilder(fieldname; tmpSuggestion);
 }  @Override


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