mc.closeBlob(blob);
c.closeBlob(blob);
        public void close() throws IOException {            if (blob != null) {                try {                    mc.closeBlob(blob);//                    log.info("OutputStream closing, setting blob_id: " + blob.getBlobId());                    blob_id = blob.getBlobId();                }                catch (GDSException ge) {                    throw new IOException("could not close blob: " + ge);                }                blob = null;            }        }