Failed to join with – How to solve this Elasticsearch error

Opster Team

Aug-23, Version: 7-7.17

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Briefly, this error occurs when a node in Elasticsearch cluster fails to join with other nodes due to network issues, incorrect configuration, or version incompatibility. To resolve this, ensure all nodes are running the same Elasticsearch version. Check your network connectivity and firewall settings to ensure nodes can communicate. Also, verify your cluster settings in elasticsearch.yml file, particularly the ‘’ and ‘’. If the issue persists, consider restarting the Elasticsearch service on the affected node.

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

Log Context

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


                                public void handleException(TransportException exp) {
                           -> new ParameterizedMessage("failed to join {} with {}"; destination; joinRequest); exp);
                                    FailedJoinAttempt attempt = new FailedJoinAttempt(destination; joinRequest; exp);
                                    unregisterAndReleaseConnection(destination; connectionReference);


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