} catch (final InterruptedException e) {
                logger.warn("Interrupted to wait a process.", e);
            }
            try {
                process.destroyForcibly().waitFor(processDestroyTimeout, TimeUnit.SECONDS);
                return process.exitValue();
            } catch (final Exception e) {
                logger.error("Could not destroy a process correctly.", e);

                });

                if (logger.isDebugEnabled()) {
                    logger.debug("Terminating process {}.", p);
                }
                try {
                    if (!p.destroyForcibly().waitFor(timeout, TimeUnit.MILLISECONDS)) {
                        logger.warn("Terminating process {} is timed out.", p);
                    } else if (logger.isDebugEnabled()) {