Node name derived from node ID set to override – How to solve this Elasticsearch error

Opster Team

Aug-23, Version: 6.8-6.8

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Briefly, this error occurs when the Elasticsearch node name is automatically derived from the node ID and is set to override any existing node name. This could be due to a configuration issue or a node ID conflict. To resolve this, you can manually set a unique node name in the Elasticsearch configuration file (elasticsearch.yml) using the ‘’ parameter. Alternatively, ensure that each node in your cluster has a unique node ID to prevent conflicts. Also, check your cluster health and logs for any related issues that might be causing this error.

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This guide will help you check for common problems that cause the log ” node name derived from node ID [{}]; set [{}] to override ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: node.

Log Context

Log “node name derived from node ID [{}]; set [{}] to override” classname is
We extracted the following from Elasticsearch source code for those seeking an in-depth context :

            } else {
                tmpSettings = Settings.builder()
                        .put(NODE_NAME_SETTING.getKey(); nodeIdToNodeName(nodeEnvironment.nodeId()))
      "node name derived from node ID [{}]; set [{}] to override";
                        nodeEnvironment.nodeId(); NODE_NAME_SETTING.getKey());

            final JvmInfo jvmInfo = JvmInfo.jvmInfo();


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