Failed to bind service – How to solve this Elasticsearch exception

Opster Team

August-23, Version: 6.8-8.9

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Briefly, this error occurs when Elasticsearch is unable to bind to the network service, often due to port conflicts, incorrect configurations, or insufficient permissions. To resolve this issue, you can check if the port Elasticsearch is trying to use is already in use. If so, change the port number in the Elasticsearch configuration file. Also, verify the setting in the configuration file. If it’s incorrect, correct it. Lastly, ensure Elasticsearch has the necessary permissions to bind to the service. If not, adjust the permissions accordingly.

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This guide will help you check for common problems that cause the log ” failed to bind service ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: node.

Log Context

Log “failed to bind service” class name is We extracted the following from Elasticsearch source code for those seeking an in-depth context :

 actionModule.initRestHandlers(() -> clusterService.state().nodesIfRecovered());"initialized");  success = true;
 } catch (IOException ex) {
 throw new ElasticsearchException("failed to bind service"; ex);
 } finally {
 if (success == false) {


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