Failed to parse query unexpected field – How to solve this Elasticsearch exception

Opster Team

August-23, Version: 6.8-7.15

Briefly, this error occurs when Elasticsearch encounters an unexpected field while parsing a query. This could be due to a typo, incorrect field name, or a field that doesn’t exist in the index. To resolve this issue, you can check the query for any typos or incorrect field names. If the field doesn’t exist in the index, you may need to add it or remove it from the query. Also, ensure that the field is correctly mapped in the index.

This guide will help you check for common problems that cause the log ” failed to parse [{}] query. unexpected field [{}] ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: index, query.

Log Context

Log “failed to parse [{}] query. unexpected field [{}]” class name is We extracted the following from Elasticsearch source code for those seeking an in-depth context :

 } else {
 if (fieldName == null) {
 fieldName = currentFieldName;
 } else {
 throw new ParsingException(parser.getTokenLocation(); "failed to parse [{}] query. unexpected field [{}]";
 NAME; currentFieldName);


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