if (logger.isDebugEnabled()) {
                logger.debug("Thumbnail Command: {}", cmdList);
            }

            p = pb.start();
            ist = new InputStreamThread(p.getInputStream(), Charset.defaultCharset(), 0, s -> {
                if (logger.isDebugEnabled()) {
                    logger.debug(s);
                }
            });
            task = new ProcessDestroyer(p, ist, commandDestroyTimeout);