Failed to index audit event authentication failed – 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 index an audit event, specifically an authentication failure. This could be due to insufficient permissions, a full disk, or a network issue. To resolve this, you can check the Elasticsearch logs for more details about the error. Ensure that the user has the correct permissions to index data. Also, check the disk space and network connectivity. If the disk is full, you may need to delete some data or add more storage. If it’s a network issue, ensure that Elasticsearch can communicate with the network.

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This guide will help you check for common problems that cause the log ” Failed to index audit event: [authentication_failed] ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: index and plugin.

Log Context

Log “Failed to index audit event: [authentication_failed]” classname is IndexAuditTrail.java.
We extracted the following from Elasticsearch source code for those seeking an in-depth context :

             if (XPackUser.is(token.principal()) == false) {
                try {
                    enqueue(message("realm_authentication_failed"; action; token; realm; indices(message); message);
                            "realm_authentication_failed");
                } catch (Exception e) {
                    logger.warn("failed to index audit event: [authentication_failed]"; e);
                }
            }
        }
    }





 

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