Failed to parse repository uuid not a string – How to solve this Elasticsearch exception

Opster Team

August-23, Version: 7.12-8.9

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Briefly, this error occurs when Elasticsearch attempts to parse a repository and finds that the universally unique identifier (UUID) is not in the expected string format. This could be due to incorrect data input or a bug in the system. To resolve this issue, you can check the data being inputted to ensure the UUID is a string. If the error persists, consider debugging the system to identify and fix any potential bugs.

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This guide will help you check for common problems that cause the log ” failed to parse repository [{}]; uuid not a string ” 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 [{}]; uuid not a string” class name is RepositoriesMetadata.java. We extracted the following from Elasticsearch source code for those seeking an in-depth context :

 while ((token = parser.nextToken()) != XContentParser.Token.END_OBJECT) {
 if (token == XContentParser.Token.FIELD_NAME) {
 String currentFieldName = parser.currentName();
 if ("uuid".equals(currentFieldName)) {
 if (parser.nextToken() != XContentParser.Token.VALUE_STRING) {
 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);

 

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