[GitHub] [dubbo] AlbumenJ commented on issue #12885: dubbo 3.2.4多线程环境下导致服务消费者获取的ClassLoader不对，消费者反序列化pojo失败，返回值被转为HashMap

Wed, 16 Aug 2023 04:58:05 -0700 


AlbumenJ commented on issue #12885:
URL: https://github.com/apache/dubbo/issues/12885#issuecomment-1680469829

   > > 
![image](https://user-images.githubusercontent.com/9292748/260370471-11953ea3-c248-45e8-805b-200df0adf421.png)
   > > 在具体获取的地方还有再检查一次 ClassLoader 的
   > 
   > 
某些情况下readObject是在子线程里边，如使用Caffeine缓存异步加载数据，子线程的ClassLoader和父线程的ClassLoader不一致 
![image](https://user-images.githubusercontent.com/13815910/260898846-ac9ac7a3-27ec-491b-b490-01aac8c90c15.png)
   > 
   > 我是在开启子线程时设置了父线程的ClassLoader解决了该问题，如下： 
![image](https://user-images.githubusercontent.com/13815910/260898968-24744a30-d15f-41c1-a806-07f8cfd9b2c5.png)
   
   按照双亲委派机制，子 classloader 应该可以加载到父 classloader 的类吧


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