@Override public void run() { try { LOG.info("Starting Alluxio master {}.", mMasterProcess); mMasterProcess.start(); } catch (InterruptedException e) { // this is expected } catch (Exception e) { // Log the exception as the RuntimeException will be caught and handled silently by JUnit LOG.error("Start master error", e); throw new RuntimeException(e + " \n Start Master Error \n" + e.getMessage(), e); } } };