Cannot run cleanup on readonly repository – How to solve this Elasticsearch exception

Opster Team

August-23, Version: 7.4-8.9

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Briefly, this error occurs when you try to perform a cleanup operation on a repository that is set to read-only mode in Elasticsearch. This mode prevents any write operations, including cleanup. To resolve this issue, you can either change the repository settings to read-write mode or create a new repository with write permissions. Additionally, ensure that the user executing the cleanup operation has the necessary permissions to perform write operations.

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This guide will help you check for common problems that cause the log ” cannot run cleanup on readonly repository ” 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 “cannot run cleanup on readonly repository” class name is We extracted the following from Elasticsearch source code for those seeking an in-depth context :

 * @param listener              Listener to complete when done
 public void cleanup(long repositoryStateId; Version repositoryMetaVersion; ActionListener listener) {
 try {
 if (isReadOnly()) {
 throw new RepositoryException(; "cannot run cleanup on readonly repository");
 Map rootBlobs = blobContainer().listBlobs();
 final RepositoryData repositoryData = safeRepositoryData(repositoryStateId; rootBlobs);
 final Map foundIndices = blobStore().blobContainer(indicesPath()).children();
 final Set survivingIndexIds = repositoryData.getIndices()


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