@Override
  public CreateTableMessage getCreateTableMessage(String messageBody) {
    return super.getCreateTableMessage(deCompress(messageBody));
  }
this is mainly as a utility to allow debugging of messages for developers by providing the
message in a file and getting an actual message out.
This class on a deployed hive instance will also be bundled in hive-exec jar.
standalone-metastore/metastore-server/src/main/java/org/apache/hadoop/hive/metastore/messaging/json/gzip/DeSerializer.java