docs: public ObjectPool createConnectionPool(JdbcConnectionDescriptor jcd)
      {
          if (log.isDebugEnabled()) log.debug("createPool was called");
          PoolableObjectFactory pof = new ConPoolFactory(this, jcd);
          GenericObjectPool.Config conf = jcd.getConnectionPoolDescriptor().getObjectPoolConfig();
          return (ObjectPool)new GenericObjectPool(pof, conf);
      }