Failed to delete blob in bucket – How to solve this Elasticsearch error

Opster Team

Aug-23, Version: 6.8-7.1

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Briefly, this error occurs when Elasticsearch is unable to delete a blob (binary large object) in a bucket, typically in a cloud storage service. This could be due to insufficient permissions, network issues, or the blob not existing. To resolve this, ensure that Elasticsearch has the necessary permissions to delete blobs. Check your network connection to ensure it’s stable and reliable. Finally, verify that the blob you’re trying to delete actually exists in the specified bucket.

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This guide will help you check for common problems that cause the log ” Failed to delete blob [{}] in bucket [{}] ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: plugins, repository-gcs, repositories, delete.

Log Context

Log “Failed to delete blob [{}] in bucket [{}]” classname is
We extracted the following from Elasticsearch source code for those seeking an in-depth context :

        final List deletedStatuses = SocketAccess.doPrivilegedIOException(() -> client().delete(blobIdsToDelete));
        assert blobIdsToDelete.size() == deletedStatuses.size();
        boolean failed = false;
        for (int i = 0; i 


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