@Override
              public Void run() throws Exception {
                open();
                return null;
              }
Instantiate the metastore server handler directly instead of connecting
through the network

@param conf Configuration object passed to embedded metastore
@return embedded client instance
@throws MetaException
standalone-metastore/metastore-common/src/main/java/org/apache/hadoop/hive/metastore/HiveMetaStoreClient.java