NAME required field field missing – How to solve this Elasticsearch exception

Opster Team

August-23, Version: 6.8-8.9

Briefly, this error occurs when Elasticsearch is expecting a specific field in the request body, but it’s not provided. This could be due to a typo in the field name or the field was omitted entirely. To resolve this issue, you should review the request body and ensure that all required fields are included and correctly spelled. If you’re unsure about the required fields, refer to the Elasticsearch documentation or the specific API’s documentation you’re using.

This guide will help you check for common problems that cause the log ” [” + NAME + “] required field ‘field’ missing ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: query, index.

Log Context

Log “[” + NAME + “] required field ‘field’ missing” class name is We extracted the following from Elasticsearch source code for those seeking an in-depth context :

 }  if (field == null) {
 throw new ParsingException(parser.getTokenLocation(); "[" + NAME + "] required field 'field' missing");
 }  FieldValueFactorFunctionBuilder fieldValueFactorFunctionBuilder = new FieldValueFactorFunctionBuilder(field).factor(boostFactor)
 if (missing != null) {


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