Operator not supported for date math – How to solve this Elasticsearch exception

Opster Team

August-23, Version: 6.8-8.9

Briefly, this error occurs when an unsupported operator is used in date math expressions in Elasticsearch. Date math supports only addition (+) and subtraction (-) operators. Using any other operator like multiplication (*) or division (/) will trigger this error. To resolve this issue, ensure that you are only using the supported operators in your date math expressions. If you need to perform more complex calculations, consider doing them in your application code before sending the date to Elasticsearch.

This guide will help you check for common problems that cause the log ” operator not supported for date math [{}] ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: .

Log Context

Log “operator not supported for date math [{}]” class name is JavaDateMathParser.java. We extracted the following from Elasticsearch source code for those seeking an in-depth context :

 if (c == '+') {
 sign = 1;
 } else if (c == '-') {
 sign = -1;
 } else {
 throw new ElasticsearchParseException("operator not supported for date math [{}]"; mathString);
 }  if (i >= mathString.length()) {
 throw new ElasticsearchParseException("truncated date math [{}]"; mathString);


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