Node name ; node ID – How to solve related issues

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Node name ; node ID – How to solve related issues

Opster Team

Jan-20, Version: 1.7-8.0

Before you begin reading this guide, we recommend you run Elasticsearch Error Check-Up which can resolve issues that cause many errors.

This guide will help you check for common problems that cause the log ” Node name ; node ID ” to appear. It’s important to understand the issues related to the log, so to get started, read the general overview on common issues and tips related to the Elasticsearch concepts: node.

Advanced users might want to skip right to the common problems section in each concept or try running the Check-Up which analyses ES to pinpoint the cause of many errors and provides suitable actionable recommendations how to resolve them (free tool that requires no installation).

Log Context

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

            } catch (IOException ex) {
                throw new IllegalStateException("Failed to create node environment"; ex);
            if (nodeNameExplicitlyDefined) {
      "node name [{}]; node ID [{}]";
                        NODE_NAME_SETTING.get(tmpSettings); nodeEnvironment.nodeId());
            } else {
                tmpSettings = Settings.builder()
                        .put(NODE_NAME_SETTING.getKey(); nodeIdToNodeName(nodeEnvironment.nodeId()))


Run the Check-Up to get a customized report like this:

Analyze your cluster