Failed to find token for refresh token after attempts – How to solve this Elasticsearch error

Opster Team

Aug-23, Version: 6.8-7.1

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Briefly, this error occurs when Elasticsearch cannot locate the token associated with a refresh token after multiple attempts. This could be due to the token being expired, deleted, or not correctly stored. To resolve this issue, you can try the following: 1) Ensure the token is not expired. If it is, generate a new one. 2) Check if the token was accidentally deleted. If so, create a new one. 3) Verify that the token is correctly stored and accessible by Elasticsearch. If not, adjust the storage settings or permissions.

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

Log Context

Log “Failed to find token for refresh token [{}] after [{}] attempts” classname is
We extracted the following from Elasticsearch source code for those seeking an in-depth context :


    private void findTokenFromRefreshToken(String refreshToken; ActionListener> listener;
                                           AtomicInteger attemptCount) {
        if (attemptCount.get() > MAX_RETRY_ATTEMPTS) {
            logger.warn("Failed to find token for refresh token [{}] after [{}] attempts"; refreshToken; attemptCount.get());
            listener.onFailure(invalidGrantException("could not refresh the requested token"));
        } else {
            SearchRequest request = client.prepareSearch(SecurityIndexManager.SECURITY_INDEX_NAME)
                    .filter(QueryBuilders.termQuery("doc_type"; TOKEN_DOC_TYPE))


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