[GitHub] [dubbo] YsoulM commented on issue #8748: Consumer一直重连(Reconnect)已经下线的(destroyed)provider

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YsoulM commented on issue #8748:
URL: https://github.com/apache/dubbo/issues/8748#issuecomment-916578086


   @zrlw 我这边调试了下，provider在优雅下线后，consumer针对这个provider的ReferenceCountExchangeClient实例会对其所有接口分别referenceCount减1。但是consumer针对这个provider的MetadataService没有进行销毁，或者销毁的时候没有触发referenceCount减1，导致这个referenceCount永远大于1，不能触发ExchangeClient的close方法。
   然后每次ReconnectTimerTask都会扫描到，导致报错。
   
   修改为<1，是忽略掉了MetadataService的销毁流程，测试环境测试，已经不报错了。
   
   还有一种方案，MetadataService也触发销毁，或者在原有的销毁中也触发referenceCount减1。 但是这个方案估计比较复杂，时间有点来不急。。


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