Failed to send error response for action – How to solve this Elasticsearch error

Opster Team

Aug-23, Version: 1.7-1.7

Briefly, this error occurs when Elasticsearch is unable to send an error response for a specific action due to network issues, overloaded server, or internal server errors. To resolve this, you can try restarting the Elasticsearch service, checking the network connection, or increasing the server resources. If the problem persists, check the server logs for more detailed error information and address the specific issues found.

This guide will help you check for common problems that cause the log ” Failed to send error response for action [ ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: indices, replication and response.

Log Context

Log “Failed to send error response for action [” classname is
We extracted the following from Elasticsearch source code for those seeking an in-depth context :

                public void onFailure(Throwable e) {
                    try {
                    } catch (Exception e1) {
                        logger.warn("Failed to send error response for action [" + actionName + "] and request [" + request + "]"; e1);


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