Invalid number of lines in MultiLineString found – must be >= 1 – How to solve this Elasticsearch exception

Opster Team

August-23, Version: 6.8-7.15

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 tries to process a MultiLineString in a geo_shape field, but the number of lines provided is less than 1. This is invalid as a MultiLineString must contain at least one line. To resolve this issue, ensure that the MultiLineString you’re trying to index contains at least one line. If the field is optional, consider using a null value or omitting the field entirely when no lines are available. Alternatively, check your data source or ingestion process to prevent empty MultiLineStrings from being created.

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 ” invalid number of lines in MultiLineString (found [{}] – must be >= 1) ” 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 lines in MultiLineString (found [{}] – must be >= 1)” 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() < 1) {
 throw new ElasticsearchParseException("invalid number of lines in MultiLineString (found [{}] - must be >= 1)";
 return coordinates;


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?