ArrayList<String> out = Lists.newArrayList();
if (proc instanceof Driver) {
try {
ret = proc.run(cmd).getResponseCode();
((Driver) proc).getResults(out);
} catch (CommandNeedRetryException ex) {
Logger.getLogger(HiveTestEmbedded.class.getName()).log(Level.SEVERE, null, ex);
} catch (IOException e) {
e.printStackTrace();