Failed to validate incoming join request from node – How to solve this OpenSearch error

Opster Team

Aug-23, Version: 1-1.3

Before you dig into reading this guide, have you tried asking OpsGPT what this log means? You’ll receive a customized analysis of your log.

Try OpsGPT now for step-by-step guidance and tailored insights into your OpenSearch operation.

Briefly, this error occurs when a node attempts to join an OpenSearch cluster but fails the validation process. This could be due to mismatched versions, incompatible configurations, or network issues. To resolve this, ensure all nodes are running the same OpenSearch version. Check the configuration files for any discrepancies and correct them. Lastly, verify the network connectivity between the nodes. If the problem persists, consider checking the OpenSearch logs for more detailed error information.

For a complete solution to your to your search operation, try for free AutoOps for Elasticsearch & OpenSearch . With AutoOps and Opster’s proactive support, you don’t have to worry about your search operation – we take charge of it. Get improved performance & stability with less hardware.

This guide will help you check for common problems that cause the log ” failed to validate incoming join request from node [{}] ” to appear. To understand the issues related to this log, read the explanation below about the following OpenSearch concepts: join, request, discovery, node.

Log Context

Log “failed to validate incoming join request from node [{}]” classname is
We extracted the following from OpenSearch source code for those seeking an in-depth context :

            // validate the join request; will throw a failure if it fails; which will get back to the
            // node calling the join request
            try {
                membership.sendValidateJoinRequestBlocking(node; state; joinTimeout);
            } catch (Exception e) {
                logger.warn(() -> new ParameterizedMessage("failed to validate incoming join request from node [{}]"; node); e);
                callback.onFailure(new IllegalStateException("failure when sending a validation request to node"; e));
            nodeJoinController.handleJoinRequest(node; callback);


How helpful was this guide?

We are sorry that this post was not useful for you!

Let us improve this post!

Tell us how we can improve this post?

Get expert answers on Elasticsearch/OpenSearch