Failed to send response – How to solve related issues

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Failed to send response – How to solve related issues

Opster Team

Jan-20, Version: 1.7-8.0

Before you begin reading this guide, we recommend you run Elasticsearch Error Check-Up which can resolve issues that cause many errors.

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

Advanced users might want to skip right to the common problems section in each concept or try running the Check-Up to analyze Elasticsearch configuration and help resolve this error.

Log Context

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

             setPhase(replicationTask; "finished");
            try {
                channel.sendResponse(e);
            } catch (IOException inner) {
                inner.addSuppressed(e);
                logger.warn("failed to send response"; inner);
            }
        }

        private ActionListener createResponseListener(final PrimaryShardReference primaryShardReference) {
            return new ActionListener() {




 

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