[GitHub] [dubbo] zrlw edited a comment on pull request #9284: [3.0] save current rpc service context to url at the beginning of invocation to support LazyConnectExchangeClient and avoid NPE

[GitBox <gi...@apache.org>]

zrlw edited a comment on pull request #9284:
URL: https://github.com/apache/dubbo/pull/9284#issuecomment-974688228


   关闭ReferenceCountExchangeClient时替换为LazyConnectExchangeClient时，要调用url.getProtocol(),url.getPath(),url.getParameters()，这些方法都需要从上次rpc调用的rpcServiceContext获取，但是rpcServiceContext在上次rpc调用后已经被清除，上述方法即便不NPE也获取不了原值， InstanceAddressURL只增加scope model解决不了这个问题。
   #9284 将当前rpc的service context存入了InstanceAddressURL对象，rpc调用结束后通过url保存的service context继续支持上述方法，SpringXmlConfigTest增加了相关验证逻辑。


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