Failed to execute slack api http request – How to solve this Elasticsearch error

Opster Team

Aug-23, Version: 6.8-8.9

Briefly, this error occurs when Elasticsearch is unable to execute a request to the Slack API. This could be due to network issues, incorrect API credentials, or Slack API endpoint changes. To resolve this, you can check your network connectivity, verify your Slack API credentials, or ensure that the Slack API endpoint in your Elasticsearch configuration is up-to-date. Additionally, check if the Slack API is operational or if there are any changes in the API that might affect your requests.

This guide will help you check for common problems that cause the log ” failed to execute slack api http request ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: plugin, request.

Log Context

Log “failed to execute slack api http request” classname is
We extracted the following from Elasticsearch source code for those seeking an in-depth context :

        try {
            HttpResponse response = httpClient.execute(request);
            return SentMessages.SentMessage.responded(to; message; request; response);
        } catch (Exception e) {
            logger.error("failed to execute slack api http request"; e);
            return SentMessages.SentMessage.error(to; message; e);

    static URI url(String name; Settings settings) {


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