in src/main/java/org/elasticsearch/aliyun/oss/blobstore/OssBlobContainer.java [104:117]
public void deleteBlob(String blobName) throws IOException {
logger.trace("deleteBlob({})", blobName);
if (!blobExists(blobName)) {
throw new NoSuchFileException("Blob [" + blobName + "] does not exist");
}
try {
blobStore.deleteBlob(buildKey(blobName));
} catch (OSSException | ClientException e) {
logger.warn("can not access [{}] : {}", blobName,
e.getMessage());
throw new IOException(e);
}
}