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

Opster Team

March-22, Version: 1.7-8.0

Before you begin reading this guide, we recommend you try running the Elasticsearch Error Check-Up which analyzes 2 JSON files to detect many configuration errors.

To easily locate the root cause and resolve this issue try AutoOps for Elasticsearch & OpenSearch. It diagnoses problems by analyzing hundreds of metrics collected by a lightweight agent and offers guidance for resolving them.

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”classname  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"


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