肖恒

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Dubbo 使用ExpiringCache问题

see https://github.com/apache/dubbo/issues/7166

dubbo服务启动阻塞

You can look at the example in dubbo-samples.

dubbo-2.7.9,注册消费者的时候会把group拼到接口前面，导致找不到对等的提供者。

Sorry, I missed it just now, I will check the code now.

dubbo-2.7.9,注册消费者的时候会把group拼到接口前面，导致找不到对等的提供者。

@JayeShen I understand this is just a display problem. In service subscription and publishing, it is based on url. Can you provide a demo?

org.apache.dubbo.remoting.TimeoutException: Waiting server-side response timeout by scan timer. start time: 2021-08-15 23:04:35.615, end time: 2021-08-15 23:05:06.234, client elapsed: 20491 ms, server elapsed: 10128 ms, timeout: 100 ms

查过线程池的状态了没？

org.apache.dubbo.remoting.TimeoutException: Waiting server-side response timeout by scan timer. start time: 2021-08-15 23:04:35.615, end time: 2021-08-15 23:05:06.234, client elapsed: 20491 ms, server elapsed: 10128 ms, timeout: 100 ms

> 我去查看了，发现 005 机器线程数量飙升，这个日志就是 005 机器爆的异常。至于线程池状态没法定位到当时的快照信息。我再看看当时的业务日志有什么异常，这个线程数量突然变多是导致这个的原因？ 线程数量飙升可能会引起这个问题。具体确认的话，还是要结合当时的日志，机器状态来确认。 方便贴下你们线程池这块的配置不？

org.apache.dubbo.remoting.TimeoutException: Waiting server-side response timeout by scan timer. start time: 2021-08-15 23:04:35.615, end time: 2021-08-15 23:05:06.234, client elapsed: 20491 ms, server elapsed: 10128 ms, timeout: 100 ms

你把 dispatcher 换成 all 试试，看还会不会出现问题

org.apache.dubbo.remoting.TimeoutException: Waiting server-side response timeout by scan timer. start time: 2021-08-15 23:04:35.615, end time: 2021-08-15 23:05:06.234, client elapsed: 20491 ms, server elapsed: 10128 ms, timeout: 100 ms

配置信息方便贴下不 provider 端的

org.apache.dubbo.remoting.TimeoutException: Waiting server-side response timeout by scan timer. start time: 2021-08-15 23:04:35.615, end time: 2021-08-15 23:05:06.234, client elapsed: 20491 ms, server elapsed: 10128 ms, timeout: 100 ms

dispatcher 选择的是哪一个

org.apache.dubbo.remoting.TimeoutException: Waiting server-side response timeout by scan timer. start time: 2021-08-15 23:04:35.615, end time: 2021-08-15 23:05:06.234, client elapsed: 20491 ms, server elapsed: 10128 ms, timeout: 100 ms

那你这种情况看不出来是啥原因导致的，我记得 2.7.5 中有一个是关于 dispatcher 的问题，会导致 server 没有发包给 client 导致超时的问题