Failed to parse bounding box unexpected field – How to solve this Elasticsearch exception

Opster Team

August-23, Version: 6.8-8.9

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Briefly, this error occurs when Elasticsearch is unable to parse the bounding box due to an unexpected field. This usually happens when the field is not properly defined or is missing in the mapping. To resolve this issue, you can check the mapping of your index to ensure that the field is correctly defined. Alternatively, you can reindex your data with the correct mapping. Also, ensure that the bounding box coordinates are correctly formatted and within the valid range.

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This guide will help you check for common problems that cause the log ” failed to parse bounding box. unexpected field [{}] ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: .

Log Context

Log “failed to parse bounding box. unexpected field [{}]” class name is We extracted the following from Elasticsearch source code for those seeking an in-depth context :

 } else if (BOTTOM_LEFT_FIELD.match(currentFieldName; parser.getDeprecationHandler())) {
 SpatialPoint point = parsePointWith(parser; GeoUtils.EffectivePoint.BOTTOM_LEFT);
 this.bottom = point.getY();
 this.left = point.getX();
 } else {
 throw new ElasticsearchParseException("failed to parse bounding box. unexpected field [{}]"; currentFieldName);
 } else {
 throw new ElasticsearchParseException("failed to parse bounding box. field name expected but [{}] found"; token);


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