Peers request failed – How to solve this Elasticsearch error

Opster Team

Aug-23, Version: 7.14-8.3

Briefly, this error occurs when an Elasticsearch node fails to communicate with its peer nodes in the cluster. This could be due to network issues, incorrect configuration, or the peer node being down. To resolve this, you can check the network connectivity between the nodes, verify the cluster settings in the Elasticsearch configuration file, or ensure all nodes in the cluster are up and running. Additionally, checking the Elasticsearch logs can provide more details about the cause of the error.

This guide will help you check for common problems that cause the log ” {} peers request failed ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: request, discovery.

Log Context

Log “{} peers request failed” classname is
We extracted the following from Elasticsearch source code for those seeking an in-depth context :


                public void handleException(TransportException exp) {
                    peersRequestInFlight = false;
                    logger.warn(new ParameterizedMessage("{} peers request failed"; Peer.this); exp);

                public String executor() {
                    return Names.GENERIC;


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