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

Opster Team

Aug-23, Version: 1.3-1.3

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Briefly, this error occurs when Elasticsearch is unable to process a multi-search (msearch) request and also fails to send an error response. This could be due to network issues, insufficient resources, or a problem with the request itself. To resolve this, you can try the following: 1) Check the network connectivity between the client and the Elasticsearch server. 2) Ensure that the Elasticsearch server has enough resources (CPU, memory, disk space). 3) Review the msearch request to make sure it’s correctly formatted and doesn’t contain any errors.

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

Log Context

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

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

 

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