Rest realm authentication failed trealm= principal= uri= – How to solve this Elasticsearch error

Opster Team

Aug-23, Version: 6.8-6.8

Briefly, this error occurs when Elasticsearch fails to authenticate a user due to incorrect credentials or configuration issues in the security realm. The principal URI mentioned in the error refers to the user trying to authenticate. To resolve this, ensure that the user credentials are correct. If the issue persists, check the configuration of the security realm in Elasticsearch. It might be necessary to update the realm settings or even recreate the user. Also, ensure that the user has the necessary permissions to perform the requested operation.

This guide will help you check for common problems that cause the log ” {}[rest] [realm_authentication_failed]trealm=[{}]; {}; principal=[{}]; uri=[{}]{} ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: plugin.

Log Context

Log “{}[rest] [realm_authentication_failed]trealm=[{}]; {}; principal=[{}]; uri=[{}]{}” classname is DeprecatedLoggingAuditTrail.java.
We extracted the following from Elasticsearch source code for those seeking an in-depth context :

             if (includeRequestBody) {
                logger.info("{}[rest] [realm_authentication_failed]\trealm=[{}]; {}; principal=[{}]; uri=[{}]{}; " + "request_body=[{}]";
                        localNodeInfo.prefix; realm; hostAttributes(request); token.principal(); request.uri(); opaqueId();
                        restRequestContent(request));
            } else {
                logger.info("{}[rest] [realm_authentication_failed]\trealm=[{}]; {}; principal=[{}]; uri=[{}]{}"; localNodeInfo.prefix;
                        realm; hostAttributes(request); token.principal(); request.uri(); opaqueId());
            }
        }
    }





 

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