private static void loadGemFirePropertiesFromClassPath(Properties properties) {
    try {
      properties
          .load(AbstractLauncher.class.getResourceAsStream(DistributedSystem.getPropertiesFile()));
    } catch (IOException | NullPointerException handled) {
      // leave the properties empty
    }
  }
Loads the GemFire properties at the specified URL.

@param url the URL to the gemfire.properties to load.
@return a Properties instance populated with the gemfire.properties.
@see java.net.URL
geode-core/src/main/java/org/apache/geode/distributed/AbstractLauncher.java