[I] A服务RPC调用B服务找不到可用地址时，导致当前线程上下文被清除，接着再调用C服务时取CSE上下文报空指针异常 [servicecomb-java-chassis]

Thu, 24 Oct 2024 23:30:46 -0700 


liuanxu opened a new issue, #4569:
URL: https://github.com/apache/servicecomb-java-chassis/issues/4569

   1、当前线程A服务代码中第73行使用RPC方式异步调用B服务：
   
![业务逻辑调用](https://github.com/user-attachments/assets/93710f21-fd75-4bc7-b63a-9e7bde691a1a)
   
   2、负载均衡没有找到B服务可用的地址：
   
![负载均衡没有可用机器](https://github.com/user-attachments/assets/46a5951a-b952-4071-804b-3d2b53b7e17e)
   
   3、A服务当前线程上下文被清除：
   
![当前线程上下文被清除](https://github.com/user-attachments/assets/20846a4f-cc1a-4f6e-9eba-0d0ce95f6ed7)
   
   4、A服务当前线程再接着调用C服务时，从上下文中获取参数时报空指针：
   
![调B服务失败后再取上下文时报空指针异常](https://github.com/user-attachments/assets/d70fe2f6-6b90-408c-b5d8-5316e4b8bc84)
   
   


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