Error description – How to solve this Elasticsearch exception

Opster Team

August-23, Version: 6.8-8.9

Briefly, this error occurs when Elasticsearch encounters an issue during a process but the specific details are not provided. The error description is a generic term and could be related to various issues like incorrect query syntax, insufficient memory, or connectivity issues. To resolve this, you should check the Elasticsearch logs for more detailed information about the error. You may need to correct your query syntax, allocate more memory to Elasticsearch, or ensure that Elasticsearch is properly connected to your network.

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” class name is RestGetTokenAction.java. 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) {
 sendTokenErrorResponse(
 TokenRequestError.INVALID_GRANT;
 ((ElasticsearchSecurityException) e).getHeader("error_description").get(0);
 e
 );

 

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