Did not find an authenticated user – How to solve this Elasticsearch exception

Opster Team

August-23, Version: 6.8-8.9

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Briefly, this error occurs when Elasticsearch cannot find an authenticated user for a specific operation. This could be due to incorrect or missing credentials, or the user may not have the necessary permissions to perform the operation. To resolve this issue, you can check the credentials provided and ensure they are correct. If the credentials are correct, verify that the user has the necessary permissions for the operation. If the user does not have the necessary permissions, you may need to grant them or use a different user that has the appropriate permissions.

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

Log Context

Log “did not find an authenticated user” class name is TransportAuthenticateAction.java. We extracted the following from Elasticsearch source code for those seeking an in-depth context :

 } else {
 runAsUser = authentication.getEffectiveSubject().getUser();
 authUser = authentication.getAuthenticatingSubject().getUser();
 if (authUser == null) {
 listener.onFailure(new ElasticsearchSecurityException("did not find an authenticated user"));
 } else if (authUser instanceof InternalUser) {
 listener.onFailure(new IllegalArgumentException("user [" + authUser.principal() + "] is internal"));
 } else if (runAsUser instanceof InternalUser) {
 listener.onFailure(new IllegalArgumentException("user [" + runAsUser.principal() + "] is internal"));
 } else {


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