Unable to clear cache for role – How to solve related issues

Opster Team

Jan-20, Version: 1.7-8.0

Before you begin reading this guide, we recommend you run Elasticsearch Error Check-Up which analyzes 2 JSON files to detect many errors.

To easily locate the root cause and resolve this issue try AutoOps for Elasticsearch & OpenSearch. It diagnoses problems by analyzing hundreds of metrics collected by a lightweight agent and offers guidance for resolving them.

This guide will help you check for common problems that cause the log ” Unable to clear cache for role ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: cache and plugin.

Log Context

Log “Unable to clear cache for role [{}]” classname is NativeRolesStore.java.
We extracted the following from Elasticsearch source code for those seeking an in-depth context :


                    public void onFailure(Exception e) {
                        logger.error(new ParameterizedMessage("unable to clear cache for role [{}]"; role); e);
                        ElasticsearchException exception = new ElasticsearchException("clearing the cache for [" + role
                                + "] failed. please clear the role cache manually"; e);
                }; securityClient::clearRolesCache);


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