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Briefly, this error occurs when Elasticsearch expects an array of coordinates for geospatial data, but only receives a single coordinate. This usually happens when indexing geospatial data. To resolve this, ensure that your geospatial data is correctly formatted as an array of coordinates. If you’re using a mapping, verify that it’s correctly set up for geospatial data. Also, check your data source to ensure it’s providing the correct geospatial data format.
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This guide will help you check for common problems that cause the log ” single coordinate found when expecting an array of ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: .
Log Context
Log “single coordinate found when expecting an array of” class name is GeoShapeType.java. 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 == null || coordinates.children.isEmpty()) { if (coordinates.coordinate != null) { throw new ElasticsearchParseException("single coordinate found when expecting an array of " + "coordinates. change type to point or change data to an array of >0 coordinates"); } throw new ElasticsearchParseException("no data provided for multipoint object when expecting " + ">0 points (e.g.; [[lat; lng]] or [[lat; lng]; ...])"); } else {