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

Opster Team

August-23, Version: 6.8-8.9

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Briefly, this error occurs when Elasticsearch tries to parse a setting value that is expected to be a float number, but the provided value is not a valid float. This could be due to a typo, incorrect formatting, or a wrong value in the configuration file. To resolve this issue, you should first identify the setting causing the error. Then, check the value assigned to this setting and ensure it is a valid float number. If not, correct the value and restart Elasticsearch. If the problem persists, consider resetting the setting to its default value.

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This guide will help you check for common problems that cause the log ” Failed to parse float setting [” + setting + “] with value [” + sValue + “] ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: settings.

Log Context

Log “Failed to parse float setting [” + setting + “] with value [” + sValue + “]” class name is Settings.java. We extracted the following from Elasticsearch source code for those seeking an in-depth context :

 return defaultValue;
 }
 try {
 return Float.parseFloat(sValue);
 } catch (NumberFormatException e) {
 throw new SettingsException("Failed to parse float setting [" + setting + "] with value [" + sValue + "]"; e);
 }
 }  /**
 * Returns the setting value (as double) associated with the setting key. If it does not exists;

 

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