Unable to check if bucket bucketName exists – How to solve this Elasticsearch exception

Opster Team

August-23, Version: 6.8-7.8

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Briefly, this error occurs when Elasticsearch is unable to verify the existence of a specified bucket, likely due to incorrect bucket name, insufficient permissions, or connectivity issues. To resolve this, ensure the bucket name is correct and exists. Check the user permissions to ensure they have access to the bucket. Lastly, verify the network connectivity between Elasticsearch and the storage service.

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This guide will help you check for common problems that cause the log ” Unable to check if bucket [” + bucketName + “] exists ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: repositories, plugins, repository-gcs.

Log Context

Log “Unable to check if bucket [” + bucketName + “] exists” class name is GoogleCloudStorageBlobStore.java. We extracted the following from Elasticsearch source code for those seeking an in-depth context :

 private boolean doesBucketExist(String bucketName) {
 try {
 final Bucket bucket = SocketAccess.doPrivilegedIOException(() -> client().get(bucketName));
 return bucket != null;
 } catch (final Exception e) {
 throw new BlobStoreException("Unable to check if bucket [" + bucketName + "] exists"; e);
 }  /**
 * List blobs in the specific bucket under the specified path. The path root is removed.


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