Faulty node – How to solve this Elasticsearch exception

Opster Team

August-23, Version: 7-8.9

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 Elasticsearch operation.

Briefly, this error occurs when a node in the Elasticsearch cluster is not functioning correctly. This could be due to various reasons such as network issues, hardware failure, or configuration errors. To resolve this issue, you can try restarting the faulty node, checking the node’s hardware, or reviewing the node’s configuration settings. If the problem persists, consider removing the faulty node from the cluster and replacing it with a new one.

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 ” faulty node ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: node, cluster.

Log Context

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

 }  void onFaultyNode(DiscoveryNode faultyNode) {
 if (isActive() && discoveryNode.equals(faultyNode)) {
 logger.debug("onFaultyNode: [{}] is faulty; failing target in publication {}"; faultyNode; Publication.this);
 setFailed(new ElasticsearchException("faulty node"));
 onPossibleCommitFailure();
 }
 }  DiscoveryNode getDiscoveryNode() {

 

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?