Expected end of WKT string but found additional text – How to solve this Elasticsearch exception

Opster Team

August-23, Version: 6.8-7.15

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Briefly, this error occurs when Elasticsearch encounters additional text after the end of a Well-Known Text (WKT) string. WKT is a text markup language for representing vector geometry objects. The error suggests that the WKT string is not properly formatted or closed. To resolve this issue, you should review and correct the WKT string. Ensure that it is properly formatted, all parentheses are correctly closed, and there are no unnecessary characters or spaces after the end of the string.

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This guide will help you check for common problems that cause the log ” expected end of WKT string but found additional text: ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: .

Log Context

Log “expected end of WKT string but found additional text:” class name is GeoWKTParser.java. We extracted the following from Elasticsearch source code for those seeking an in-depth context :

 }  /** next word in the stream */
 private static void checkEOF(StreamTokenizer stream) throws ElasticsearchParseException; IOException {
 if (stream.nextToken() != StreamTokenizer.TT_EOF) {
 throw new ElasticsearchParseException("expected end of WKT string but found additional text: "
 + tokenString(stream); stream.lineno());


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