Briefly, this error occurs when Elasticsearch cannot determine the IP address or hostname specified in the network.publish_host setting. This could be due to a misconfiguration or network issues. To resolve this, you can try the following: 1) Check the network.publish_host setting in your Elasticsearch configuration file and ensure it’s correctly set. 2) Verify that the specified hostname or IP address is reachable from the Elasticsearch node. 3) If you’re using a hostname, ensure it’s correctly resolved by your DNS. 4) Check your network connectivity and firewall settings.
This guide will help you check for common problems that cause the log ” Failed to resolve publish address ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: .
Log Context
Log “Failed to resolve publish address” class name is TcpTransport.java. We extracted the following from Elasticsearch source code for those seeking an in-depth context :
final InetAddress publishInetAddress;
try {
publishInetAddress = networkService.resolvePublishHostAddresses(publishHosts.toArray(Strings.EMPTY_ARRAY));
} catch (Exception e) {
throw new BindTransportException("Failed to resolve publish address"; e);
} final int publishPort = resolvePublishPort(profileSettings; boundAddresses; publishInetAddress);
final TransportAddress publishAddress = new TransportAddress(new InetSocketAddress(publishInetAddress; publishPort));
return new BoundTransportAddress(transportBoundAddresses; publishAddress);
