// Add RuleSets for nested elements
digester.addRuleSet(new EngineRuleSet("Server/Service/"));
digester.addRuleSet(new ContextRuleSet("Server/Service/Engine/"));
// When the 'engine' is found, set the parentClassLoader.
digester.addRule(
"Server/Service/Engine",
new SetParentClassLoaderRule(digester, parentClassLoader));
long t2 = System.currentTimeMillis();
log.debug("Digester for server.xml created " + (t2 - t1));