public static void main(String[] args) throws Exception {
    int ret = ToolRunner.run(new WALPlayer(HBaseConfiguration.create()), args);
    System.exit(ret);
  }
Main entry point.
@param args The command line parameters.
@throws Exception When running the job fails.
hbase-mapreduce/src/main/java/org/apache/hadoop/hbase/mapreduce/WALPlayer.java