Failed to load role mappings from index skipping all mappings – How to solve this Elasticsearch error

Opster Team

Aug-23, Version: 6.8-7.15

Briefly, this error occurs when Elasticsearch is unable to load role mappings from the index. This could be due to issues like incorrect configuration, insufficient permissions, or a corrupted index. To resolve this, you can check and correct the configuration settings, ensure the user has the necessary permissions, or try rebuilding the index. Additionally, checking the Elasticsearch logs can provide more details about the exact cause of the error.

In addition we recommend you run the Elasticsearch Template Optimizer to fix problems in your data modeling.

It will analyze your templates to detect issues and improve search performance, reduce indexing bottlenecks and optimize storage utilization. The Template Optimizer is free and requires no installation.

Log Context

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

            ScrollHelper.fetchAllByEntity(client; request;
                    new ContextPreservingActionListener(supplier; ActionListener.wrap((Collection mappings) ->
                    ex -> {
                        logger.error(new ParameterizedMessage("failed to load role mappings from index [{}] skipping all mappings.";
                                SECURITY_MAIN_ALIAS); ex);
                    doc -> buildMapping(getNameFromId(doc.getId()); doc.getSourceRef()));


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