Invalid number of points in LineString found – must be >= 2 – How to solve this Elasticsearch exception

Opster Team

August-23, Version: 6.8-7.15

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Briefly, this error occurs when Elasticsearch tries to create a LineString type of GeoShape but the number of points provided is less than two. A LineString requires at least two points to form a line. To resolve this issue, ensure that you provide at least two points when creating a LineString. If you have only one point, consider using a Point type of GeoShape instead.

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This guide will help you check for common problems that cause the log ” invalid number of points in LineString (found [{}] – must be >= 2) ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: .

Log Context

Log “invalid number of points in LineString (found [{}] – must be >= 2)” class name is We extracted the following from Elasticsearch source code for those seeking an in-depth context :

 }  @Override
 CoordinateNode validate(CoordinateNode coordinates; boolean coerce) {
 if (coordinates.children.size() < 2) {
 throw new ElasticsearchParseException("invalid number of points in LineString (found [{}] - must be >= 2)";
 return coordinates;


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