Failed to parse multi get request unknown field – How to solve this Elasticsearch exception

Opster Team

August-23, Version: 6.8-7.17

Before you dig into reading this guide, have you tried asking OpsGPT what this log means? You’ll receive a customized analysis of your log.

Try OpsGPT now for step-by-step guidance and tailored insights into your Elasticsearch operation.

Briefly, this error occurs when Elasticsearch receives a multi get request with an unknown or incorrect field. This could be due to a typo, incorrect syntax, or a field that doesn’t exist in the index. To resolve this issue, you should first verify the field name in your request. Make sure it matches exactly with the field name in your index. If the field name is correct, check the syntax of your request. Ensure that it follows the correct format for a multi get request. If the error persists, consider reindexing your data to ensure all fields are correctly defined.

For a complete solution to your to your search operation, try for free AutoOps for Elasticsearch & OpenSearch . With AutoOps and Opster’s proactive support, you don’t have to worry about your search operation – we take charge of it. Get improved performance & stability with less hardware.

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

Log Context

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

 );
 } else {
 throw new ElasticsearchParseException("illegal type for _source: [{}]"; token);
 }
 } else {
 throw new ElasticsearchParseException("failed to parse multi get request. unknown field [{}]"; currentFieldName);
 }
 } else if (token == Token.START_ARRAY) {
 if (FIELDS.match(currentFieldName; parser.getDeprecationHandler())) {
 throw new ParsingException(
 parser.getTokenLocation();

 

How helpful was this guide?

We are sorry that this post was not useful for you!

Let us improve this post!

Tell us how we can improve this post?