Failed to load SSL configuration – – How to solve this Elasticsearch exception

Opster Team

August-23, Version: 7.4-8.9

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Briefly, this error occurs when Elasticsearch fails to load the Secure Sockets Layer (SSL) configuration. This could be due to incorrect file paths, incorrect file permissions, or invalid SSL configuration settings. To resolve this issue, you can verify the file paths and permissions, ensure the SSL configuration settings are correct, and check the Elasticsearch logs for more detailed error messages. If the SSL certificate has expired, you will need to renew it. Also, ensure that the SSL configuration is correctly referenced in the Elasticsearch configuration file.

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This guide will help you check for common problems that cause the log ” failed to load SSL configuration [{}] – {} ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: plugin.

Log Context

Log “failed to load SSL configuration [{}] – {}” class name is We extracted the following from Elasticsearch source code for those seeking an in-depth context :

 key = key.substring(0; key.length() - 1);
 try {
 sslConfigurationMap.put(key; SslSettingsLoader.load(sslSettings; null; env; getKeyStoreFilter(key)));
 } catch (SslConfigException e) {
 throw new ElasticsearchSecurityException("failed to load SSL configuration [{}] - {}"; e; key; e.getMessage());
 return Collections.unmodifiableMap(sslConfigurationMap);


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