add7148f3b
GoogleCloudStorageBlobStore.deleteBlobsIgnoringIfNotExists() does not correctly catch StorageException thrown by batch.submit(). In the case a snapshot is deleted through BlobStoreRepository.deleteSnapshot() a storage exception is not caught (only IOException are) so the deletion is interrupted and indices cannot be cleaned up. The storage exception bubbles up to SnapshotService.deleteSnapshotFromRepository() but the listener that removes the deletion from the cluster state is not executed, leaving the deletion in the cluster state. This bug has been reported in #46772 where batch.submit() threw an exception in the test testIndicesDeletedFromRepository and following tests failed because a snapshot deletion was running. Relates #46772 |
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