code: private void closeContext(DirContext ctx) {
  		if (ctx != null) {
  			try {
  				ctx.close();
  			}
  			catch (Exception e) {
                  LOG.debug("Exception closing context", e);
  			}
  		}
  	}
docs: Close the context and swallow any exceptions.
  
  @param ctx the DirContext to close.