Refreshing repository UUIDs for repositories – How to solve this Elasticsearch error

Opster Team

Aug-23, Version: 7.12-7.13

Briefly, this error occurs when Elasticsearch is trying to refresh the UUIDs for repositories, which is a part of the snapshot and restore process. This could be due to a configuration issue, network problem, or a problem with the repository itself. To resolve this issue, you can check the repository configuration, ensure the network connectivity between Elasticsearch and the repository, and verify the health and status of the repository. If the problem persists, you may need to recreate the repository or restart the Elasticsearch cluster.

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

Log Context

Log “refreshing repository UUIDs for repositories [{}]” classname is
We extracted the following from Elasticsearch source code for those seeking an in-depth context :

            logger.debug("repository UUID refresh is not required");
        }"refreshing repository UUIDs for repositories [{}]";
       -> repository.getMetadata().name()).collect(Collectors.joining(";")));
        final ActionListener groupListener = new GroupedActionListener(new ActionListener>() {
            public void onResponse(Collection ignored) {
                logger.debug("repository UUID refresh completed");


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