Briefly, this error occurs when the OpenID Connect metadata in the authentication token does not match the expected value. This could be due to incorrect configuration or an issue with the OpenID provider. To resolve this, you can verify the OpenID Connect settings in Elasticsearch and ensure they match with your OpenID provider. Also, check the integrity of the authentication token. If the issue persists, consider resetting the token or contacting your OpenID provider for further assistance.
This guide will help you check for common problems that cause the log ” In authentication token; OpenID Connect metadata [{}] is [{}] rather than ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: plugin, metadata.
Overview
Metadata in Elasticsearch refers to additional information stored for each document. This is achieved using the specific metadata fields available in Elasticsearch. The default behavior of some of these metadata fields can be customized during mapping creation.
Examples
Using _meta meta-field for storing application-specific information with the mapping:
PUT /my_index?pretty
{
"mappings": {
"_meta": {
"domain": "security",
"release_information": {
"date": "18-01-2020",
"version": "7.5"
}
}
}
}Notes
- In version 2.x, Elasticsearch had a total 13 meta fields available, which are: _index, _uid, _type, _id, _source, _size, _all, _field_names, _timestamp, _ttl, _parent, _routing, _meta
- In version 5.x, _timestamp and _ttl meta fields were removed.
- In version 6.x, the _parent meta field was removed.
- In version 7.x, _uid and _all meta fields were removed.
Log Context
Log “In authentication token; OpenID Connect metadata [{}] is [{}] rather than” class name is TransportOpenIdConnectLogoutAction.java. We extracted the following from Elasticsearch source code for those seeking an in-depth context :
if (metadata.containsKey(key) == false) {
throw new ElasticsearchSecurityException("Authentication token does not have OpenID Connect metadata [{}]"; key);
}
Object value = metadata.get(key);
if (null != value && value instanceof String == false) {
throw new ElasticsearchSecurityException("In authentication token; OpenID Connect metadata [{}] is [{}] rather than " +
"String"; key; value.getClass());
}
return value; }
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