Ignoring existing unknown setting with value archiving – How to solve this Elasticsearch error

Opster Team

Aug-23, Version: 6.8-8.9

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Briefly, this error occurs when Elasticsearch encounters a setting in its configuration that it doesn’t recognize. In this case, the setting is “archiving”. This could be due to a typo, deprecated setting, or a setting that’s not applicable to the current version of Elasticsearch. To resolve this issue, you can either remove the unknown setting from the configuration file or replace it with a valid one. If it’s a deprecated setting, you should find the updated equivalent and use that instead. Always ensure that your settings are compatible with your Elasticsearch version.

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This guide will help you check for common problems that cause the log ” ignoring existing unknown {} setting: [{}] with value [{}]; archiving ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: admin, cluster, settings.

Log Context

Log “ignoring existing unknown {} setting: [{}] with value [{}]; archiving” classname is SettingsUpdater.java.
We extracted the following from Elasticsearch source code for those seeking an in-depth context :

            settingsWithUnknownOrInvalidArchived.filter(k -> k.startsWith(ARCHIVED_SETTINGS_PREFIX))
        );
    }

    private static void logUnknownSetting(final String settingType; final Map.Entry e; final Logger logger) {
        logger.warn("ignoring existing unknown {} setting: [{}] with value [{}]; archiving"; settingType; e.getKey(); e.getValue());
    }

    private static void logInvalidSetting(
        final String settingType;
        final Map.Entry e;

 

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