Failed to parse add user request unexpected field – How to solve this Elasticsearch exception

Opster Team

August-23, Version: 6.8-8.9

Briefly, this error occurs when Elasticsearch encounters an unexpected field while parsing an add user request. This could be due to a typo, incorrect field name, or incorrect data type. To resolve this issue, you should first verify the field name and data type in your request. If they are correct, check the Elasticsearch version you’re using, as some fields may not be supported in older versions. If the error persists, consider removing the field to see if it’s causing the issue.

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

Log Context

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

 } else {
 throw new ElasticsearchParseException("failed to parse add user request. unexpected field [{}]"; currentFieldName);
 return this;