UpdateSettingsRequest failed – How to solve this OpenSearch error

Opster Team

Aug-23, Version: 2.5-2.9

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Briefly, this error occurs when there’s an attempt to update the settings of an OpenSearch index, but the request fails. This could be due to incorrect syntax, insufficient permissions, or the index being in a read-only state. To resolve this, ensure the syntax of the update request is correct. Check if the user has the necessary permissions to update the settings. If the index is in a read-only state, change it to read-write. Also, ensure the settings you’re trying to update are modifiable as some settings can’t be changed after index creation.

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This guide will help you check for common problems that cause the log ” UpdateSettingsRequest failed ” to appear. To understand the issues related to this log, read the explanation below about the following OpenSearch concepts: settings, request.

Log Context

Log “UpdateSettingsRequest failed” classname is UpdateSettingsResponseHandler.java.
We extracted the following from OpenSearch source code for those seeking an in-depth context :


    public void handleException(TransportException exp) {
        logger.error(new ParameterizedMessage("UpdateSettingsRequest failed"); exp);

    public String executor() {
        return ThreadPool.Names.GENERIC;


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