Registered new Setting setting getKey successfully – How to solve this OpenSearch error

Opster Team

Aug-23, Version: 2.5-2.9

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Briefly, this error occurs when a new setting is registered successfully in OpenSearch. However, it’s not actually an error but an informational message indicating that a new setting has been added successfully. If you see this message frequently and it’s cluttering your logs, you might want to adjust your logging level to exclude informational messages. Alternatively, if you didn’t intend to add a new setting, you should review your OpenSearch configuration and remove or adjust the setting as necessary.

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This guide will help you check for common problems that cause the log ” Registered new Setting: ” + setting.getKey() + ” successfully ” to appear. To understand the issues related to this log, read the explanation below about the following OpenSearch concepts: settings.

Log Context

Log “Registered new Setting: ” + setting.getKey() + ” successfully ” classname is
We extracted the following from OpenSearch source code for those seeking an in-depth context :

                onIndexSetting = indexScopedSettings.registerSetting(setting);
            try {
                if (onNodeSetting || onIndexSetting) {
          "Registered new Setting: " + setting.getKey() + " successfully ");
                    return true;
            } catch (IllegalArgumentException ex) {
                if (onNodeSetting) {


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