Failed to get token – 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.

Briefly, this error message typically occurs when Elasticsearch is unable to authenticate a user due to incorrect credentials or a misconfigured security setting. To resolve the issue, you can try verifying that the user credentials are correct and that the security settings are configured properly. If necessary, you can also try resetting the user password or disabling security temporarily to diagnose the issue further.

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. Take a self-guided product tour to see for yourself (no registration required).

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

Log Context

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

                                                     // the token is not valid
                                                    if (isShardNotAvailableException(e)) {
                                                        logger.warn("failed to get token [{}] since index is not available"; tokenId);
                                                    } else {
                                                        logger.error(new ParameterizedMessage("failed to get token [{}]"; tokenId); e);
                                                }); client::get);
                                }}; listener::onFailure));


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