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,
            final int bufferSize, final Consumer<String> outputCallback) {
        final ProcessBuilder pb = new ProcessBuilder(cmdList);

        }

        // last the goals
        cmdAndArguments.addAll(mavenOptions.goals().orElse(Collections.emptyList()));

        try {
            ProcessBuilder pb = new ProcessBuilder()
                    .directory(invokerRequest.cwd().toFile())
                    .command(cmdAndArguments);

            if (invokerRequest.jvmArguments().isPresent()) {

        });

    }

    protected void executeCommand(final String thumbnailId, final List<String> cmdList) {
        ProcessDestroyer task = null;
        try {
            final ProcessBuilder pb = new ProcessBuilder(cmdList);
            pb.directory(baseDir);
            pb.redirectErrorStream(true);

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