Failed to parse setting with value as a size in bytes – 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 fails to interpret a setting’s value as a size in bytes. This could be due to an incorrect format or value. To resolve this, ensure that the value is a positive integer and the unit of size is correctly specified (e.g., kb, mb, gb). If the setting doesn’t require a size value, remove the unit. Also, check for any typographical errors in the setting name or value.

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This guide will help you check for common problems that cause the log ” failed to parse setting [{}] with value [{}] as a size in bytes ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: .

Log Context

Log “failed to parse setting [{}] with value [{}] as a size in bytes” class name is ByteSizeValue.java. We extracted the following from Elasticsearch source code for those seeking an in-depth context :

 try {
 return new ByteSizeValue(Long.parseLong(s); ByteSizeUnit.BYTES);
 } catch (NumberFormatException e) {
 throw new ElasticsearchParseException("failed to parse setting [{}] with value [{}]"; e; settingName; initialInput);
 } catch (IllegalArgumentException e) {
 throw new ElasticsearchParseException("failed to parse setting [{}] with value [{}] as a size in bytes"; e; settingName;
 initialInput);
 }
 }  private static ByteSizeValue parse(final String initialInput; final String normalized; final String suffix; ByteSizeUnit unit;

 

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