}
        }
    }

    public JobProcess startProcess(final String sessionId, final List<String> cmdList, final Consumer<ProcessBuilder> pbCall) {
        return startProcess(sessionId, cmdList, pbCall, InputStreamThread.MAX_BUFFER_SIZE, null);
    }

    public synchronized JobProcess startProcess(final String sessionId, final List<String> cmdList, final Consumer<ProcessBuilder> pbCall,

            if (logger.isInfoEnabled()) {
                logger.info("ThumbnailGenerator: \nDirectory={}\nOptions={}", baseDir, cmdList);
            }

            final JobProcess jobProcess = processHelper.startProcess(sessionId, cmdList, pb -> {
                pb.directory(baseDir);
                pb.redirectErrorStream(true);
            });

            final InputStreamThread it = jobProcess.getInputStreamThread();