Failed to parse setting with value – How to solve this Elasticsearch exception

Opster Team

August-23, Version: 7.11-8.9

Briefly, this error occurs when Elasticsearch fails to parse a specific setting due to an incorrect or incompatible value. This could be due to a wrong data type, a typo, or a deprecated setting. To resolve this issue, you should first identify the setting causing the problem from the error message. Then, verify the correct data type and value for this setting in the Elasticsearch documentation. If the setting is deprecated, replace it with the current equivalent. Lastly, ensure there are no typos or syntax errors in your configuration.

This guide will help you check for common problems that cause the log ” failed to parse setting [{}] with value [{}] ” 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 [{}]” class name is We extracted the following from Elasticsearch source code for those seeking an in-depth context :

 private static ByteSizeValue parseBytes(String lowerSValue; String settingName; String initialInput) {
 String s = lowerSValue.substring(0; lowerSValue.length() - 1).trim();
 try {
 return ByteSizeValue.ofBytes(Long.parseLong(s));
 } 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";


How helpful was this guide?

We are sorry that this post was not useful for you!

Let us improve this post!

Tell us how we can improve this post?