@Override
  public void checkOutputSpecs(FileSystem ignored, JobConf jc) throws IOException {
    //delegate to the new api
    Job job = new Job(jc);
    JobContext jobContext = ShimLoader.getHadoopShims().newJobContext(job);

    checkOutputSpecs(jobContext);
  }
Retrieve the family path, first check the JobConf, then the table properties.
@return the family path or null if not specified.
hbase-handler/src/java/org/apache/hadoop/hive/hbase/HiveHFileOutputFormat.java