alibaba/Sentinel
*bug report* ProcessorSlot的Spi中的isSingleton = false设置不生效
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#3,007 opened on 2022/12/29
area/spigood first issue
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説明
Issue Description
Type: bug report
Describe what happened (or what feature you want)
当在非单例模式的ProcessorSlot（A）前加一个单例模式的ProcessorSlot（B）后，所有ProcessorSlotChain中B的next都会同步修改为最新创建的A
Describe what you expected to happen
在上述行为后，不同的ProcessorSlotChain中B的next应该为各自新创建的A，而非共同的A
How to reproduce it (as minimally and precisely as possible)
- 添加一个ProcessSlot实现类，添加注解@Spi(order = Spi.ORDER_HIGHEST)
Tell us your environment
sentinel 1.8.3
Anything else we need to know?
DefaultProcessorSlotChain中添加next的方式是直接修改传入的AbstractLinkedProcessorSlot，但是传入的ProcessorSlot有可能是单例或非单例，倘若是单例，则在其后添加next会影响所有的ProcessorSlotChain