Received ping response with no matching handler id – How to solve this Elasticsearch error

Opster Team

Aug-23, Version: 2.3-2.3

Briefly, this error occurs when Elasticsearch receives a ping response from a node but cannot find a matching handler id for that response. This could be due to network issues, node failures, or configuration problems. To resolve this issue, you can try the following: 1) Check the network connectivity between the nodes. 2) Verify the configuration settings of your Elasticsearch cluster. 3) Restart the nodes that are causing the issue. 4) Update Elasticsearch to the latest version as it might be a bug that has been fixed in newer versions.

This guide will help you check for common problems that cause the log ” received ping response {} with no matching handler id [{}] ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: discovery, handler, ping and response.

Log Context

Log “received ping response {} with no matching handler id [{}]” classname is UnicastZenPing.java.
We extracted the following from Elasticsearch source code for those seeking an in-depth context :

                         }
                        SendPingsHandler sendPingsHandler = receivedResponses.get(response.id);
                        if (sendPingsHandler == null) {
                            if (!closed) {
                                // Only log when we're not closing the node. Having no send ping handler is then expected
                                logger.warn("received ping response {} with no matching handler id [{}]"; pingResponse; response.id);
                            }
                        } else {
                            sendPingsHandler.pingCollection().addPing(pingResponse);
                        }
                    }




 

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