本文许多内容来源于http://dubbo.io/Developer+Guide-zh.htm#DeveloperGuide-zh-%E8%B0%83%E7%94%A8%E9%93%BE，感谢作者的分享。
dubbo的整体架构图中包含了很多内容，这里只分析服务暴露部分。
针对服务暴露，对上面的图做了些简化
时序图
分成六个阶段，下面分别列出每个阶段的调用堆栈。
1 初始化接口invoker
JavassistProxyFactory.getInvoker(T, Class<T>, URL) line: 40 StubProxyFactoryWrapper.getInvoker(T, Class<T>, URL) line: 104 ProxyFactory$Adpative.getInvoker(Object, Class, URL) line: not available ServiceBean<T>(ServiceConfig<T>).exportLocal(URL) line: 516 ServiceBean<T>(ServiceConfig<T>).doExportUrlsFor1Protocol(ProtocolConfig, List<URL>) line: 469 ServiceBean<T>(ServiceConfig<T>).doExportUrls() line: 285 ServiceBean<T>(ServiceConfig<T>).doExport() line: 246 ServiceBean<T>(ServiceConfig<T>).export() line: 145
DubboExporter<T>.<init>(Invoker<T>, String, Map<String,Exporter<?>>) line: 36 DubboProtocol.export(Invoker<T>) line: 240 ProtocolFilterWrapper.export(Invoker<T>) line: 55 ProtocolListenerWrapper.export(Invoker<T>) line: 56 Protocol$Adpative.export(Invoker) line: not available ServiceBean<T>(ServiceConfig<T>).doExportUrlsFor1Protocol(ProtocolConfig, List<URL>) line: 495 ServiceBean<T>(ServiceConfig<T>).doExportUrls() line: 285 ServiceBean<T>(ServiceConfig<T>).doExport() line: 246 ServiceBean<T>(ServiceConfig<T>).export() line: 145
DubboProtocol.createServer(URL) line: 318 DubboProtocol.openServer(URL) line: 308 DubboProtocol.export(Invoker<T>) line: 258 ProtocolFilterWrapper.export(Invoker<T>) line: 55 ProtocolListenerWrapper.export(Invoker<T>) line: 56 Protocol$Adpative.export(Invoker) line: not available ServiceBean<T>(ServiceConfig<T>).doExportUrlsFor1Protocol(ProtocolConfig, List<URL>) line: 495 ServiceBean<T>(ServiceConfig<T>).doExportUrls() line: 285 ServiceBean<T>(ServiceConfig<T>).doExport() line: 246 ServiceBean<T>(ServiceConfig<T>).export() line: 145
NettyTransporter.bind(URL, ChannelHandler) line: 33 Transporter$Adpative.bind(URL, ChannelHandler) line: not available Transporters.bind(URL, ChannelHandler...) line: 48 HeaderExchanger.bind(URL, ExchangeHandler) line: 41 Exchangers.bind(URL, ExchangeHandler) line: 63 DubboProtocol.createServer(URL) line: 329 DubboProtocol.openServer(URL) line: 308 DubboProtocol.export(Invoker<T>) line: 258 ProtocolListenerWrapper.export(Invoker<T>) line: 56 ProtocolFilterWrapper.export(Invoker<T>) line: 55 Protocol$Adpative.export(Invoker) line: not available ServiceBean<T>(ServiceConfig<T>).doExportUrlsFor1Protocol(ProtocolConfig, List<URL>) line: 495 ServiceBean<T>(ServiceConfig<T>).doExportUrls() line: 285 ServiceBean<T>(ServiceConfig<T>).doExport() line: 246 ServiceBean<T>(ServiceConfig<T>).export() line: 145
NettyServer(AbstractEndpoint).<init>(URL, ChannelHandler) line: 47 NettyServer(AbstractServer).<init>(URL, ChannelHandler) line: 59 NettyServer.<init>(URL, ChannelHandler) line: 63 NettyTransporter.bind(URL, ChannelHandler) line: 33 Transporter$Adpative.bind(URL, ChannelHandler) line: not available Transporters.bind(URL, ChannelHandler...) line: 48 HeaderExchanger.bind(URL, ExchangeHandler) line: 41 Exchangers.bind(URL, ExchangeHandler) line: 63 DubboProtocol.createServer(URL) line: 329 DubboProtocol.openServer(URL) line: 308 DubboProtocol.export(Invoker<T>) line: 258 ProtocolListenerWrapper.export(Invoker<T>) line: 56 ProtocolFilterWrapper.export(Invoker<T>) line: 55 Protocol$Adpative.export(Invoker) line: not available RegistryProtocol.doLocalExport(Invoker<T>) line: 153 RegistryProtocol.export(Invoker<T>) line: 107 ProtocolListenerWrapper.export(Invoker<T>) line: 54 ProtocolFilterWrapper.export(Invoker<T>) line: 53 Protocol$Adpative.export(Invoker) line: not available ServiceBean<T>(ServiceConfig<T>).doExportUrlsFor1Protocol(ProtocolConfig, List<URL>) line: 489 ServiceBean<T>(ServiceConfig<T>).doExportUrls() line: 285 ServiceBean<T>(ServiceConfig<T>).doExport() line: 246 ServiceBean<T>(ServiceConfig<T>).export() line: 145
AllChannelHandler(WrappedChannelHandler).<init>(ChannelHandler, URL) line: 47 //------------6 AllChannelHandler.<init>(ChannelHandler, URL) line: 32 AllDispatcher.dispatch(ChannelHandler, URL) line: 32 Dispatcher$Adpative.dispatch(ChannelHandler, URL) line: not available ChannelHandlers.wrapInternal(ChannelHandler, URL) line: 40 ChannelHandlers.wrap(ChannelHandler, URL) line: 33 NettyServer.<init>(URL, ChannelHandler) line: 63 //------------------5 NettyTransporter.bind(URL, ChannelHandler) line: 33 //-------------------4 Transporter$Adpative.bind(URL, ChannelHandler) line: not available Transporters.bind(URL, ChannelHandler...) line: 48 HeaderExchanger.bind(URL, ExchangeHandler) line: 41 Exchangers.bind(URL, ExchangeHandler) line: 63 DubboProtocol.createServer(URL) line: 329 //----------------------3 DubboProtocol.openServer(URL) line: 308 DubboProtocol.export(Invoker<T>) line: 258 ProtocolFilterWrapper.export(Invoker<T>) line: 55 ProtocolListenerWrapper.export(Invoker<T>) line: 56 Protocol$Adpative.export(Invoker) line: not available RegistryProtocol.doLocalExport(Invoker<T>) line: 153 RegistryProtocol.export(Invoker<T>) line: 107 ProtocolFilterWrapper.export(Invoker<T>) line: 53 ProtocolListenerWrapper.export(Invoker<T>) line: 54 //------------------2 Protocol$Adpative.export(Invoker) line: not available ServiceBean<T>(ServiceConfig<T>).doExportUrlsFor1Protocol(ProtocolConfig, List<URL>) line: 489 //-------------1 ServiceBean<T>(ServiceConfig<T>).doExportUrls() line: 285 ServiceBean<T>(ServiceConfig<T>).doExport() line: 246 ServiceBean<T>(ServiceConfig<T>).export() line: 145
原文地址：http://blog.csdn.net/liuqi0622/article/details/45370779
