Couldn t store response the node didn t join the cluster yet – How to solve this Elasticsearch error

Opster Team

Aug-23, Version: 6.8-6.8

Briefly, this error occurs when a node in Elasticsearch fails to join the cluster. This could be due to network issues, incorrect configuration, or the cluster being in a red state. To resolve this, ensure that the network connectivity between nodes is stable. Check the Elasticsearch configuration files for any errors, particularly in the cluster settings. Also, verify the health of the cluster and fix any issues causing it to be in a red state. Restarting the node or the entire cluster may also help.

This guide will help you check for common problems that cause the log ” Couldn’t store response {}; the node didn’t join the cluster yet ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: task.

Log Context

Log “Couldn’t store response {}; the node didn’t join the cluster yet” classname is
We extracted the following from Elasticsearch source code for those seeking an in-depth context :

    public  void storeResult(Task task; Response response; ActionListener listener) {
        DiscoveryNode localNode = lastDiscoveryNodes.getLocalNode();
        if (localNode == null) {
            // too early to store anything; shouldn't really be here - just pass the response along
            logger.warn("couldn't store response {}; the node didn't join the cluster yet"; response);
        final TaskResult taskResult;
        try {


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