resolver.sendQuery(null, query);
// propagate to local net as wellrendezvous.propagateToNeighbors(queryMsg, handlerName, outQueName, 2);
跟到RendezVousServiceProvider（propagateToNeighbors），跟不下去了，这是一个抽象类，没找到该类的具体实现类。
转载于:https://www.cnblogs.com/cuizhf/archive/2012/12/29/2839197.html
