code: public static void closeQuietly(@Nullable final AutoCloseable closeable) {
          try {
              if (closeable != null) {
                  closeable.close();
              }
          } catch (Exception e) {
              LOG.warn("Error closing instance {}.", closeable, e);
          }
      }
docs: Calls close on the provided instance. If an exception occurs it is logged
  instead of propagating it.