Error while adding metric for field field – How to solve this Elasticsearch exception

Opster Team

August-23, Version: 8.4-8.9

Briefly, this error occurs when Elasticsearch is unable to add a metric for a specified field. This could be due to a variety of reasons such as incorrect field name, field type mismatch, or insufficient permissions. To resolve this issue, you can verify the field name and its type, ensure the user has the necessary permissions, or check if the field is analyzable and non-null. If the field is part of an index, ensure the index is not closed or deleted.

This guide will help you check for common problems that cause the log ” Error while adding metric for field [” + field + “] ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: plugin.

Log Context

Log “Error while adding metric for field [” + field + “]” class name is We extracted the following from Elasticsearch source code for those seeking an in-depth context :

 MappingVisitor.visitMapping(sourceIndexMappings; (field; mapping) -> {
 if (helper.isTimeSeriesMetric(field; mapping)) {
 try {
 addMetricFieldMapping(builder; field; mapping);
 } catch (IOException e) {
 throw new ElasticsearchException("Error while adding metric for field [" + field + "]");


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