Authentication did not contain metadata – How to solve this Elasticsearch exception

Opster Team

August-23, Version: 7.2-8.9

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Briefly, this error occurs when Elasticsearch receives a request that lacks the necessary authentication metadata. This could be due to incorrect configuration of security settings or missing credentials in the request. To resolve this issue, you can check and correct your security settings, ensuring that they are properly configured. Also, verify that your requests include the necessary authentication credentials. If you’re using an API, ensure that it’s correctly passing the authentication information.

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This guide will help you check for common problems that cause the log ” Authentication did not contain metadata ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: plugin, metadata.

Log Context

Log “Authentication did not contain metadata” class name is TransportOpenIdConnectLogoutAction.java. We extracted the following from Elasticsearch source code for those seeking an in-depth context :

 return ((OpenIdConnectRealm) realm).buildLogoutResponse(idToken);
 }  private void validateAuthenticationAndMetadata(Authentication authentication; Map tokenMetadata) {
 if (tokenMetadata == null) {
 throw new ElasticsearchSecurityException("Authentication did not contain metadata");
 }
 if (authentication == null) {
 throw new ElasticsearchSecurityException("No active authentication");
 }
 final User user = authentication.getEffectiveSubject().getUser();

 

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