Failed to set monitoring %s %s – How to solve this Elasticsearch error

Opster Team

Aug-23, Version: 8.4-8.9

Briefly, this error occurs when Elasticsearch is unable to set up monitoring for a specific service or process. This could be due to incorrect configuration settings, insufficient permissions, or network connectivity issues. To resolve this, you can check and correct the configuration settings, ensure that Elasticsearch has the necessary permissions to monitor the service, and verify that there are no network issues preventing Elasticsearch from accessing the service. Additionally, check the Elasticsearch logs for more detailed error messages that can help pinpoint the exact cause of the problem.

This guide will help you check for common problems that cause the log ” failed to set monitoring %s [%s] ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: plugin.

Log Context

Log “failed to set monitoring %s [%s]” classname is
We extracted the following from Elasticsearch source code for those seeking an in-depth context :


        public void onFailure(Exception e) {
            responseReceived(countDown; false; onComplete; setup);
            logger.error(() -> format("failed to set monitoring %s [%s]"; type; name); e);

    private class ErrorCapturingResponseListener extends ResponseActionListener {
        private final List errors;


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