Transport authentication failed t action= indices= request= – How to solve this Elasticsearch error

Opster Team

Aug-23, Version: 6.8-6.8

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Briefly, this error occurs when Elasticsearch fails to authenticate a transport action request for indices due to incorrect or missing credentials. This could be due to a misconfiguration in the Elasticsearch.yml file or the use of an incorrect password or username. To resolve this issue, you can verify and correct the credentials in the Elasticsearch.yml file. Alternatively, you can disable the xpack security feature if it’s not needed. Also, ensure that the user has the necessary permissions to perform the requested action.

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This guide will help you check for common problems that cause the log ” {}[transport] [authentication_failed]t{}; action=[{}]; indices=[{}]; request=[{}]{} ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: plugin.

Log Context

Log “{}[transport] [authentication_failed]t{}; action=[{}]; indices=[{}]; request=[{}]{}” classname is DeprecatedLoggingAuditTrail.java.
We extracted the following from Elasticsearch source code for those seeking an in-depth context :

             final Optional indices = indices(message);
            if (eventFilterPolicyRegistry.ignorePredicate()
                    .test(new AuditEventMetaInfo(Optional.empty(); Optional.empty(); indices)) == false) {
                final LocalNodeInfo localNodeInfo = this.localNodeInfo;
                if (indices.isPresent()) {
                    logger.info("{}[transport] [authentication_failed]\t{}; action=[{}]; indices=[{}]; request=[{}]{}";
                            localNodeInfo.prefix; originAttributes(threadContext; message; localNodeInfo); action;
                            arrayToCommaDelimitedString(indices.get()); message.getClass().getSimpleName(); opaqueId());
                } else {
                    logger.info("{}[transport] [authentication_failed]\t{}; action=[{}]; request=[{}]{}"; localNodeInfo.prefix;
                            originAttributes(threadContext; message; localNodeInfo); action; message.getClass().getSimpleName();




 

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