Failed to parse change password request unexpected field – How to solve this Elasticsearch exception

Opster Team

August-23, Version: 6.8-7.15

Briefly, this error occurs when Elasticsearch receives an unexpected field in a password change request. This could be due to a typo, incorrect field name, or an unsupported field in the request. To resolve this issue, ensure that the request body is correctly formatted and only contains supported fields. Also, check the Elasticsearch version you’re using, as different versions may support different fields. Lastly, ensure that the user has the necessary permissions to change passwords.

This guide will help you check for common problems that cause the log ” failed to parse change password 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 change password 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(
 "expected field [{}] to be of type string; but found [{}] instead"; currentFieldName; token);
 } else {
 throw new ElasticsearchParseException("failed to parse change password request. unexpected field [{}]";
 return this;


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