Failed to load privilege – How to solve this Elasticsearch error

Opster Team

Aug-23, Version: 6.8-7.8

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Briefly, this error occurs when Elasticsearch is unable to load the privilege definitions from the security index. This could be due to a misconfiguration, a missing or corrupted security index, or insufficient permissions. To resolve this issue, you can try to reconfigure your Elasticsearch security settings, restore the security index from a backup, or check and adjust the permissions of the Elasticsearch user. If the problem persists, you may need to reinstall Elasticsearch or contact support for further assistance.

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This guide will help you check for common problems that cause the log ” failed to load privilege [{}] ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: plugin.

Log Context

Log “failed to load privilege [{}]” classname is
We extracted the following from Elasticsearch source code for those seeking an in-depth context :

                            // if the index or the shard is not there / available we just claim the privilege is not there
                            if (TransportActions.isShardNotAvailableException(e)) {
                                logger.warn(new ParameterizedMessage("failed to load privilege [{}] index not available"; name); e);
                            } else {
                                logger.error(new ParameterizedMessage("failed to load privilege [{}]"; name); e);


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