Invalid dynamic name expression . missing date format – How to solve this Elasticsearch error

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Invalid dynamic name expression . missing date format – How to solve this Elasticsearch error

Opster Team

July-20, Version: 1.7-8.0

Before you begin reading this guide, we recommend you try running the Elasticsearch Check-Up which can resolve issues that cause many errors.

This guide will help you check for common problems that cause the log ” invalid dynamic name expression . missing date format ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: metadata and cluster.

Advanced users might want to skip right to the common problems section in each concept or try running the Check-Up to analyze Elasticsearch configuration and help resolve this error.

Log Context

Log “invalid dynamic name expression [{}]. missing date format”classname  is IndexNameExpressionResolver.java We extracted the following from Elasticsearch source code for those seeking an in-depth context :

if (inPlaceHolderString.lastIndexOf(RIGHT_BOUND) != inPlaceHolderString.length() - 1) {
 throw new ElasticsearchParseException("invalid dynamic name expression [{}]. missing closing `}`" +
 " for date math format"; inPlaceHolderString);
 }
 if (dateTimeFormatLeftBoundIndex == inPlaceHolderString.length() - 2) {
 throw new ElasticsearchParseException("invalid dynamic name expression [{}]. missing date format";
 inPlaceHolderString);
 }
 mathExpression = inPlaceHolderString.substring(0; dateTimeFormatLeftBoundIndex);
 String patternAndTZid =
 inPlaceHolderString.substring(dateTimeFormatLeftBoundIndex + 1; inPlaceHolderString.length() - 1);

 

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