Node nodes – How to solve this Elasticsearch exception

Opster Team

August-23, Version: 7.12-7.15

Briefly, this error occurs when Elasticsearch cannot find or connect to the specified nodes. This could be due to network issues, incorrect configuration, or the nodes being down. To resolve this, you can check the network connectivity, ensure the nodes are up and running, and verify the configuration settings in Elasticsearch. If the nodes are part of a cluster, ensure they are properly connected and the cluster is functioning correctly.

This guide will help you check for common problems that cause the log ” node ” : “nodes ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: plugin, node.

Log Context

Log “node ” : “nodes ” class name is We extracted the following from Elasticsearch source code for those seeking an in-depth context :

 || cause instanceof ReceiveTimeoutTransportException;
 }  private static void ensureNoTimeouts(TimeValue collectionTimeout; HashSet timedOutNodeIds) {
 if (timedOutNodeIds != null) {
 throw new ElasticsearchTimeoutException((timedOutNodeIds.size() == 1 ? "node " : "nodes ") + timedOutNodeIds +
 " did not respond within [" + collectionTimeout + "]");
 }  }


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