Briefly, this error occurs when Elasticsearch tries to create a line string in a geo_shape field with less than two points. A line string requires at least two points to form a line. To resolve this issue, ensure that you provide at least two points when creating a line string. Alternatively, you can change the shape type to a point if only one location is needed. Also, check your data source for any missing or null values that might be causing the issue.
This guide will help you check for common problems that cause the log ” not enough points to build a line ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: .
Log Context
Log “not enough points to build a line” class name is GeoJson.java. We extracted the following from Elasticsearch source code for those seeking an in-depth context :
if (coordinate != null) { throw new ElasticsearchException("expected a list of points but got a point"); } if (children.size() < 2) { throw new ElasticsearchException("not enough points to build a line"); } boolean needsClosing; int resultSize; if (close && coerce && children.get(0).asPoint().equals(children.get(children.size() - 1).asPoint()) == false) {