try {
            Process process = new ProcessBuilder().command(args).start();
            CountDownLatch latch = new CountDownLatch(2);
            ByteArrayOutputStream stdout = connectStream(process.getInputStream(), latch);
            ByteArrayOutputStream stderr = connectStream(process.getErrorStream(), latch);

            process.waitFor(1, TimeUnit.MINUTES);
            latch.await(1, TimeUnit.MINUTES);

                    return null;
                }

                @Override
                public InputStream openStream() throws IOException {
                    return modelSource.getInputStream();
                }

                @Override
                public String getLocation() {
                    return modelSource.getLocation();
                }

                @Override