Unexpected exception when loading repository data – How to solve this Elasticsearch exception

Opster Team

August-23, Version: 7.6-8.9

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Briefly, this error occurs when Elasticsearch encounters an issue while loading data from a repository, possibly due to corruption, misconfiguration, or network issues. To resolve this, you can try the following: 1) Check the repository configuration for any errors and correct them. 2) Verify the network connection to the repository. 3) If the data is corrupted, restore it from a backup. 4) Check Elasticsearch logs for more detailed error information. 5) If the repository is on a remote server, ensure it’s accessible and functioning properly.

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This guide will help you check for common problems that cause the log ” Unexpected exception when loading repository data ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: blobstore, repository, repositories.

Log Context

Log “Unexpected exception when loading repository data” class name is BlobStoreRepository.java. We extracted the following from Elasticsearch source code for those seeking an in-depth context :

 } else {
 } catch (Exception e) {
 listener.onFailure(new RepositoryException(metadata.name(); "Unexpected exception when loading repository data"; e));


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