docs: public static void closeContext(DirContext context) {
  		if (context != null) {
  			try {
  				context.close();
  			}
  			catch (NamingException ex) {
  				LOGGER.debug("Could not close JNDI DirContext", ex);
  			}
  			catch (Throwable ex) {
  				// We don't trust the JNDI provider: It might throw
  				// RuntimeException or Error.
  				LOGGER.debug("Unexpected exception on closing JNDI DirContext", ex);
  			}
  		}
  	}