Failed to resolve host ” + Arrays.toString(bindHosts) + ” – How to solve this Elasticsearch error

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Failed to resolve host ” + Arrays.toString(bindHosts) + ” – How to solve this Elasticsearch error

Opster Team

July-20, Version: 1.7-8.0

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

This guide will help you check for common problems that cause the log ” Failed to resolve host ” + Arrays.toString(bindHosts) + ” ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: Node.

Advanced users might want to skip right to the common problems section in each concept or try running the Check-Up to analyze Elasticsearch configuration and help resolve this error.

Log Context

Log “Failed to resolve host [” + Arrays.toString(bindHosts) + “]”classname  is AbstractHttpServerTransport.java We extracted the following from Elasticsearch source code for those seeking an in-depth context :

// Bind and start to accept incoming connections.
 InetAddress hostAddresses[];
 try {
 hostAddresses = networkService.resolveBindHostAddresses(bindHosts);
 } catch (IOException e) {
 throw new BindHttpException("Failed to resolve host [" + Arrays.toString(bindHosts) + "]"; e);
 } 
 List boundAddresses = new ArrayList<>(hostAddresses.length);
 for (InetAddress address : hostAddresses) {
 boundAddresses.add(bindAddress(address));

 

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