seqwait opened a new issue, #9960:
URL: https://github.com/apache/dubbo/issues/9960
dubbo version: 2.6.5
provider: docker 应用 DUBBO_IP_TO_REGISTRY: "内网IP"
problem: 运行了好几个月没问题,今天发现不通了, 今天用arthas trace 跟踪发现根本没有调用
telnet 30002 也没问题
spring-dubbo config
```
<dubbo:registry address="${dubbo.zookeeper.url}" timeout="10000"/>
<dubbo:annotation package="com.mzo.support.elastic"/>
<dubbo:protocol name="dubbo" port="30002" charset="UTF-8"
threadpool="fixed" threads="300"/>
<dubbo:consumer timeout="10000" check="false"/>
```
Caused by: com.alibaba.dubbo.remoting.TimeoutException: Waiting server-side
response timeout by scan timer. start time: 2022-04-23 16:01:30.060, end time:
2022-04-23 16:01:36.081, client elapsed: 0 ms, server elapsed: 6021 ms,
timeout: 6000 ms, request: Request [id=1470338, version=2.0.2, twoway=true,
event=false, broken=false, data=RpcInvocatio
tcpdump抓特定端口30002 如下

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