TajoMasterProtocol.TajoMasterProtocolService masterClientService = tmClient.getStub();
masterClientService.stopQueryMaster(null, queryId.getProto(), future);
} catch (Exception e) {
LOG.error(e.getMessage(), e);
} finally {
connPool.releaseConnection(tmClient);
}
try {
future.get(3, TimeUnit.SECONDS);
} catch (Throwable t) {