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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.
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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) {
