Failed to parse repositories – How to solve this Elasticsearch exception

Opster Team

August-23, Version: 6.8-8.9

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Briefly, this error occurs when Elasticsearch is unable to parse the repositories due to incorrect configuration or syntax errors in the repository settings. To resolve this issue, you can check the repository settings for any syntax errors or incorrect configurations. Ensure that the repository is correctly defined and the necessary plugins are installed. Also, check the Elasticsearch logs for more detailed error messages that can help identify the exact problem.

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This guide will help you check for common problems that cause the log ” failed to parse repositories ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: metadata, cluster, repositories.

Log Context

Log “failed to parse repositories” class name is We extracted the following from Elasticsearch source code for those seeking an in-depth context :

 if (type == null) {
 throw new ElasticsearchParseException("failed to parse repository [{}]; missing repository type"; name);
 repository.add(new RepositoryMetadata(name; uuid; type; settings; generation; pendingGeneration));
 } else {
 throw new ElasticsearchParseException("failed to parse repositories");
 return new RepositoriesMetadata(repository);


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