Field is of type ; but only numeric types are supported. – How to solve this Elasticsearch error

Opster Team

July-20, 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 ” field is of type ; but only numeric types are supported. ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: query and index.

Log Context

Log “field [{}] is of type [{}]; but only numeric types are supported.”classname  is We extracted the following from Elasticsearch source code for those seeking an in-depth context :

} else if (fieldType instanceof GeoPointFieldType) {
 return parseGeoVariable(parser; context; fieldType; mode);
 } else if (fieldType instanceof NumberFieldMapper.NumberFieldType) {
 return parseNumberVariable(parser; context; fieldType; mode);
 } else {
 throw new ParsingException(parser.getTokenLocation(); "field [{}] is of type [{}]; but only numeric types are supported.";
 fieldName; fieldType);
 private AbstractDistanceScoreFunction parseNumberVariable(XContentParser parser; QueryShardContext context;


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