Error_description – How to solve this Elasticsearch error

Opster Team

March-22, Version: 1.7-8.0

Before you begin reading this guide, we recommend you try running the Elasticsearch Error Check-Up which analyzes 2 JSON files to detect many configuration errors.

To easily locate the root cause and resolve this issue try AutoOps for Elasticsearch & OpenSearch. It diagnoses problems by analyzing hundreds of metrics collected by a lightweight agent and offers guidance for resolving them.

This guide will help you check for common problems that cause the log ” error_description ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: plugin, rest.

Log Context

Log “error_description”classname  is We extracted the following from Elasticsearch source code for those seeking an in-depth context :

 sendTokenErrorResponse(error; validationException.getMessage(); e);
 } else if (e instanceof ElasticsearchSecurityException
 && "invalid_grant".equals(e.getMessage())
 && ((ElasticsearchSecurityException) e).getHeader("error_description").size() == 1) {
 ((ElasticsearchSecurityException) e).getHeader("error_description").get(0);


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