No authentication available to generate API key – How to solve this Elasticsearch exception

Opster Team

August-23, Version: 7.7-8.3

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Briefly, this error occurs when Elasticsearch is unable to authenticate the user trying to generate an API key. This could be due to missing or incorrect authentication credentials. To resolve this issue, ensure that you are providing the correct username and password. If you’re using an API key for authentication, make sure it’s valid and has the necessary permissions. Additionally, check your Elasticsearch configuration to ensure that security features are enabled, as they may be required for authentication.

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

Log Context

Log “no authentication available to generate API key” class name is We extracted the following from Elasticsearch source code for those seeking an in-depth context :

 this.xContentRegistry = xContentRegistry;
 }  public void generateApiKey(Authentication authentication; CreateApiKeyRequest request; ActionListener listener) {
 if (authentication == null) {
 listener.onFailure(new ElasticsearchSecurityException("no authentication available to generate API key"));
 apiKeyService.ensureEnabled();  final ActionListener> roleDescriptorsListener = ActionListener.wrap(roleDescriptors -> {


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