Briefly, this error occurs when Elasticsearch cannot authenticate a transport action request. This could be due to incorrect credentials, misconfigured roles, or network issues. To resolve this, ensure that the correct credentials are being used and that the user has the necessary permissions to perform the action. Also, check the network connectivity between the nodes. If using security features, ensure they are correctly configured. Lastly, check the Elasticsearch logs for more detailed error information.
This guide will help you check for common problems that cause the log ” {}[transport] [authentication_failed]\t{}; action=[{}]; 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=[{}]; request=[{}]{}” classname is DeprecatedLoggingAuditTrail.java.
We extracted the following from Elasticsearch source code for those seeking an in-depth context :
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();
opaqueId());
}
}
}
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