Must be a valid double value – How to solve this Elasticsearch exception

Opster Team

August-23, Version: 8.2-8.9

Briefly, this error occurs when Elasticsearch expects a double value (a number that can have a decimal point), but the provided value is not a valid double. This could be due to incorrect data type or format. To resolve this, ensure that the value you’re inputting is a valid double. This could involve checking your data source for errors, or converting the value to a double before inputting it into Elasticsearch. If the error persists, you may need to check your mapping to ensure the field is correctly set to accept double values.

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

Log Context

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

 return switch (subParser.currentToken()) {
 case VALUE_NUMBER; VALUE_STRING -> subParser.doubleValue(true);
 default -> throw new ElasticsearchParseException("{} must be a number"; field);
 } catch (NumberFormatException e) {
 throw new ElasticsearchParseException("[{}] must be a valid double value"; e; field);
 }  private void assertOnlyOneFormat(boolean geohash; boolean x; boolean y; boolean coordinates; boolean type) {
 boolean xy = x && y;


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