Failed to parse long 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 fails to parse a setting value because it expects a long integer but receives a different data type. This could be due to incorrect data type in the configuration file or a wrong value passed in the API request. To resolve this, ensure that the setting value is a long integer. If it’s in the configuration file, correct the value and restart Elasticsearch. If it’s in an API request, correct the value and resend the request.

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This guide will help you check for common problems that cause the log ” Failed to parse long 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, long.

Log Context

Log “Failed to parse long 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 Long.parseLong(sValue);
 } catch (NumberFormatException e) {
 throw new SettingsException("Failed to parse long setting [" + setting + "] with value [" + sValue + "]"; e);
 }
 }  /**
 * Returns true iff the given key has a value in this settings object

 

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