Failed to parse repository unknown type – 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 fails to recognize the type of repository being used for operations like snapshot or restore. This could be due to a typo in the repository type or the repository plugin is not installed. To resolve this issue, you can check the repository type for any spelling errors or ensure that the correct repository plugin is installed and enabled. If the repository type is a custom one, ensure that it is properly registered and available to Elasticsearch.

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This guide will help you check for common problems that cause the log ” failed to parse repository [{}]; unknown type ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: repository, metadata, cluster.

Log Context

Log “failed to parse repository [{}]; unknown type” class name is We extracted the following from Elasticsearch source code for those seeking an in-depth context :

 throw new ElasticsearchParseException("failed to parse repository [{}]; uuid not a string"; name);
 uuid = parser.text();
 } else if ("type".equals(currentFieldName)) {
 if (parser.nextToken() != XContentParser.Token.VALUE_STRING) {
 throw new ElasticsearchParseException("failed to parse repository [{}]; unknown type"; name);
 type = parser.text();
 } else if ("settings".equals(currentFieldName)) {
 if (parser.nextToken() != XContentParser.Token.START_OBJECT) {
 throw new ElasticsearchParseException("failed to parse repository [{}]; incompatible params"; name);


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