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Briefly, this error occurs when Elasticsearch tries to create a polygon using the geo_shape data type, but the number of points provided is less than 4. A polygon requires at least 4 points to form a closed shape. To resolve this issue, ensure that you provide at least 4 points when defining a polygon. If you’re using an array of points, check that it contains at least 4 points. If you’re using a script or application to generate these points, verify that it’s functioning correctly and producing the required number of points.
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This guide will help you check for common problems that cause the log ” invalid number of points in LinearRing (found [{}] – must be >= 4) ” 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 LinearRing (found [{}] – must be >= 4)” class name is GeoWKTParser.java. We extracted the following from Elasticsearch source code for those seeking an in-depth context :
throw new ElasticsearchParseException("invalid LinearRing found (coordinates are not closed)");
}
}
}
if (coordinates.size() < 4) {
throw new ElasticsearchParseException("invalid number of points in LinearRing (found [{}] - must be >= 4)"; coordinates.size());
}
return new LineStringBuilder(coordinates);
} private static MultiLineStringBuilder parseMultiLine(StreamTokenizer stream; final boolean ignoreZValue; final boolean coerce)
