And must be valid float values – How to solve this Elasticsearch exception

Opster Team

August-23, Version: 7.8-7.9

Briefly, this error occurs when Elasticsearch encounters non-float values in fields that are expected to be float. This could be due to incorrect data types being sent to Elasticsearch or a misconfiguration in the mapping. To resolve this issue, ensure that the data being sent to Elasticsearch is of the correct float type. Alternatively, check the mapping of your index to ensure that the fields are correctly set to float. If necessary, you may need to reindex your data with the correct mapping.

This guide will help you check for common problems that cause the log ” [{}] and [{}] must be valid float values ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: plugin.

Log Context

Log “[{}] and [{}] must be valid float values” class name is We extracted the following from Elasticsearch source code for those seeking an in-depth context :

 throw new ElasticsearchParseException("token [{}] not allowed"; subParser.currentToken());
 if (numberFormatException != null) {
 throw new ElasticsearchParseException("[{}] and [{}] must be valid float values"; numberFormatException;
 } else if (Float.isNaN(x)) {
 throw new ElasticsearchParseException("field [{}] missing"; X_FIELD.getPreferredName());
 } else if (Float.isNaN(y)) {


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