public static String getFamilyPath(Configuration jc, Properties tableProps) {
    return jc.get(HFILE_FAMILY_PATH, tableProps.getProperty(HFILE_FAMILY_PATH));
  }
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