Briefly, this error occurs when Elasticsearch cannot find an active user session. This could be due to an expired session, a user not being logged in, or a misconfiguration in the user management settings. To resolve this issue, you can try to re-login, check the user management settings, or verify the session timeout configuration. If the problem persists, you may need to debug the user authentication process to identify any potential issues.
This guide will help you check for common problems that cause the log ” No active user ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: plugin.
Log Context
Log “No active user” class name is TransportOpenIdConnectLogoutAction.java. We extracted the following from Elasticsearch source code for those seeking an in-depth context :
if (authentication == null) {
throw new ElasticsearchSecurityException("No active authentication");
}
final User user = authentication.getEffectiveSubject().getUser();
if (user == null) {
throw new ElasticsearchSecurityException("No active user");
} final Authentication.RealmRef ref = authentication.getEffectiveSubject().getRealm();
if (ref == null || Strings.isNullOrEmpty(ref.getName())) {
throw new ElasticsearchSecurityException("Authentication {} has no authenticating realm"; authentication);
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