Invalid dynamic name expression date math placeholder is open ended – 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 an incorrect or incomplete date math expression in the index name. Date math expressions are used to calculate dates relative to “now”. The error indicates that the expression is open-ended, meaning it’s missing a closing bracket or some other necessary part. To resolve this issue, you should review and correct your date math expressions. Make sure each expression is properly formatted and closed. Also, ensure that the index name doesn’t contain any illegal characters.

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This guide will help you check for common problems that cause the log ” invalid dynamic name expression [{}]. date math placeholder is open ended ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: metadata, cluster.

Log Context

Log “invalid dynamic name expression [{}]. date math placeholder is open ended” class name is We extracted the following from Elasticsearch source code for those seeking an in-depth context :

 }  if (inPlaceHolder) {
 throw new ElasticsearchParseException("invalid dynamic name expression [{}]. date math placeholder is open ended";
 new String(text; from; length));
 if (beforePlaceHolderSb.length() == 0) {
 throw new ElasticsearchParseException("nothing captured");


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