Multiple Files Hadoop

try {
            //        if(videos.containsKey(key)){
//            List palavras = videos.get(key);
//            palavras.add(value);
//        }else{
//            List<Text> list = new ArrayList<>();
//            list.add(value);
//
//            videos.put(key, list);
//
//        }
            Configuration configuration = new Configuration();

            FileSystem hdfs = FileSystem.get(new URI("hdfs://hadoop-master:9000"), configuration);
            Path file = new Path("hdfs://hadoop-master:9000/Videos/Mining/" + key);
            Path fileTime = new Path("hdfs://hadoop-master:9000/Videos/Time/" + key);
            OutputStream os = null;
            if (hdfs.exists(file)) {
                hdfs.delete(file, true);
//            os = hdfs.create(file, true);
            }
            os = hdfs.create(file,
                    new Progressable() {
                        public void progress() {
                            System.out.println("...bytes written:");
                        }
                    });

            OutputStream osT = null;
            if (hdfs.exists(fileTime)) {
                hdfs.delete(fileTime, true);
//            os = hdfs.create(file, true);
            }
            osT = hdfs.create(fileTime,
                    new Progressable() {
                        public void progress() {
                            System.out.println("...bytes written:");
                        }
                    });

            BufferedWriter br = new BufferedWriter(new OutputStreamWriter(os, "UTF-8"));
            BufferedWriter brT = new BufferedWriter(new OutputStreamWriter(osT, "UTF-8"));

            StringBuilder sb = new StringBuilder();
            StringBuilder sbT = new StringBuilder();
            for (Text val : value) {
//            System.out.println("Valores: " + val);
                String[] split = val.toString().split("_");
                sb.append(split[0]).append(" ");
                sbT.append(val.toString()).append(";");
//            System.exit(1);
            }
            br.write(sb.toString());
            brT.write(sbT.toString());
            this.result.set(value.toString());
            context.write(key, this.result);

            br.close();
            brT.close();
        } catch (URISyntaxException ex) {
            Logger.getLogger(ReducerLSA.class.getName()).log(Level.SEVERE, null, ex);
        }