Failed to prepareCommit settings for settingUpdater – How to solve this Elasticsearch error

Opster Team

Aug-23, Version: 8.3-8.9

Briefly, this error occurs when Elasticsearch is unable to prepare commit settings due to an issue with the settingUpdater. This could be due to a configuration error, a problem with the Elasticsearch version, or a system resource issue. To resolve this, you can try the following: 1) Check and correct your Elasticsearch configuration settings. 2) Ensure that your Elasticsearch version is compatible with your system. 3) Check your system resources to ensure they are not over-utilized. 4) Restart Elasticsearch service to clear any temporary issues.

This guide will help you check for common problems that cause the log ” failed to prepareCommit settings for [” + settingUpdater + “] ” 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 prepareCommit settings for [” + settingUpdater + “]” classname is
We extracted the following from Elasticsearch source code for those seeking an in-depth context :

            List applyRunnables = new ArrayList();
            for (SettingUpdater> settingUpdater : settingUpdaters) {
                try {
                    applyRunnables.add(settingUpdater.updater(current; previous));
                } catch (Exception ex) {
                    logger.warn(() -> "failed to prepareCommit settings for [" + settingUpdater + "]"; ex);
                    throw ex;
            for (Runnable settingUpdater : applyRunnables) {


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