docs: @Deprecated
      public static void releaseConnection(final Connection con) {
          // If we had failed allocating the connection, insure we don't try to count it or close it.
          // UP-4446
          if (con != null) {
              try {
                  activeConnections.decrementAndGet();
  
                  con.close();
              } catch (Exception e) {
                  if (LOG.isWarnEnabled()) LOG.warn("Error closing Connection: " + con, e);
              }
          }
      }