There is no private key available for this credential – How to solve this Elasticsearch exception

Opster Team

August-23, Version: 7.7-8.9

Briefly, this error occurs when Elasticsearch is unable to find a private key for a specific credential. This could be due to incorrect configuration or the key might be missing or inaccessible. To resolve this issue, you can check the Elasticsearch configuration files to ensure the correct path to the private key is specified. If the path is correct, verify that the private key file exists at that location and Elasticsearch has the necessary permissions to access it. If the key is missing, you may need to generate a new one.

This guide will help you check for common problems that cause the log ” There is no private key available for this credential ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: plugin.

Log Context

Log “There is no private key available for this credential” class name is We extracted the following from Elasticsearch source code for those seeking an in-depth context :

 return credentials;
 }  private static void validateSigningKey(PrivateKey privateKey) {
 if (privateKey == null) {
 throw new ElasticsearchSecurityException("There is no private key available for this credential");
 final String keyType = privateKey.getAlgorithm();
 if (keyType.equals("RSA") == false && keyType.equals("EC") == false) {
 throw new ElasticsearchSecurityException(
 "The private key uses unsupported key algorithm type [" + keyType + "]; only RSA and EC are supported"