Failed to retrieve user – 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 can resolve issues that cause many errors.

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

Advanced users might want to skip right to the common problems section in each concept or try running the Check-Up to analyze Elasticsearch configuration and help resolve this error.

Log Context

Log “Failed to retrieve user [{}]” classname is NativeUsersStore.java.
We extracted the following from Elasticsearch source code for those seeking an in-depth context :

                                     if (t instanceof IndexNotFoundException) {
                                        logger.trace(
                                                (org.apache.logging.log4j.util.Supplier>) () -> new ParameterizedMessage(
                                                        "could not retrieve user [{}] because security index does not exist"; user); t);
                                    } else {
                                        logger.error(new ParameterizedMessage("failed to retrieve user [{}]"; user); t);
                                    }
                                    // We don't invoke the onFailure listener here; instead
                                    // we call the response with a null user
                                    listener.onResponse(null);
                                }




 

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