Meta values can t be longer than 50 chars but got – How to solve this Elasticsearch exception

Opster Team

August-23, Version: 7.6-7.15

Briefly, this error occurs when the metadata values in Elasticsearch exceed the maximum allowed length of 50 characters. Elasticsearch imposes this limit to ensure efficient data handling. To resolve this issue, you can either truncate or shorten your metadata values to fit within the 50 character limit. Alternatively, you could split the data into multiple metadata fields, each adhering to the character limit.

This guide will help you check for common problems that cause the log ” [meta] values can’t be longer than 50 chars; but got [ ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: index.

Log Context

Log “[meta] values can’t be longer than 50 chars; but got [” class name is TypeParsers.java. We extracted the following from Elasticsearch source code for those seeking an in-depth context :

 }
 for (Object value : meta.values()) {
 if (value instanceof String) {
 String sValue = (String) value;
 if (sValue.codePointCount(0; sValue.length()) > 50) {
 throw new MapperParsingException("[meta] values can't be longer than 50 chars; but got [" + value +
 "] for field [" + name + "]");
 }
 } else if (value == null) {
 throw new MapperParsingException("[meta] values can't be null (field [" + name + "])");
 } else {

 

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