Setting setting getKey is not defined for repository – How to solve this Elasticsearch exception

Opster Team

August-23, Version: 6.8-8.9

Briefly, this error occurs when a setting key is not defined for a repository in Elasticsearch. This could be due to a typo in the setting key or the setting key is not supported by the repository type. To resolve this issue, you can check the Elasticsearch documentation for the correct setting keys for your repository type. Alternatively, you can remove the setting if it’s not necessary. Also, ensure that the Elasticsearch version supports the setting key. Lastly, check your syntax and spelling to avoid typographical errors.

This guide will help you check for common problems that cause the log ” Setting [” + setting.getKey() + “] is not defined for repository ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: repository-gcs, repositories.

Log Context

Log “Setting [” + setting.getKey() + “] is not defined for repository” class name is We extracted the following from Elasticsearch source code for those seeking an in-depth context :

 * Get a given setting from the repository settings; throwing a {@link RepositoryException} if the setting does not exist or is empty.
 static T getSetting(Setting setting; RepositoryMetadata metadata) {
 T value = setting.get(metadata.settings());
 if (value == null) {
 throw new RepositoryException(; "Setting [" + setting.getKey() + "] is not defined for repository");
 if (value instanceof String string && Strings.hasText(string) == false) {
 throw new RepositoryException(; "Setting [" + setting.getKey() + "] is empty for repository");
 return value;