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Apache Dubbo Component

Java SDK (apache/dubbo)

Dubbo Version

Dubbo Version: 3.2.9 JDK: 21

Steps to reproduce this issue

k8s应用日志每隔几秒就刷一个timeout的日志，试过provider的ipv4的地址和端口都是正常，而且服务请求也没出现什么异常，就是一直会出现这个日志 [2025-08-16 21:32:19:663] [ERROR] [org.apache.dubbo.common.logger.log4j2.Log4j2Logger.error(Log4j2Logger.java:101)] [DUBBO] Client-side timeout., dubbo version: 3.2.9, c urrent host: 10.123.65.2, error code: 6-2. This may be caused by provider crash, go to https://dubbo.apache.org/faq/6/2 to find instructions. org.apache.dubbo.remoting.RemotingException: client(url: dubbo://10.123.67.63:21900/com.xx.service.IXXXService?application=platform&background=false&check= false&codec=dubbo&deprecated=false&dubbo=2.0.2&dubbo.endpoints=[{"port":21900,"protocol":"dubbo"}]&dubbo.metadata-service.url-params={"serialization":"kryo","prefer.seria lization":"kryo","version":"1.0.0","dubbo":"2.0.2","release":"3.2.9","side":"provider","ipv6":"240e:982:e863:1f09:1803:1a65:1c19:7fe7","port":"21900","protocol":"dubbo"}& dubbo.metadata.revision=60faceb5740bbdb4985d4373f1997619&dubbo.metadata.storage-type=local&dynamic=true&executor-management-mode=isolation&file-cache=true&generic=false&h eartbeat=60000&interface=com.xx.service.IXXXXService&ipv6=240e:982:e863:1f09:1803:1a65:1c19:7fe7&methods=xxxx,update,updateEntity&optimizer=com.xx.tool.SerializationOptimizerImpl&payload=104857600&pid=1&prefer.serialization=kryo®ister.ip=10.123.65.2&release =3.2.9&revision=2.0.0-SNAPSHOT&serialization=kryo&service-name-mapping=true&side=consumer&sticky=false&timeout=100000×tamp=1755339419076&unloadClusterRelated=false&v ersion=1.0.0) failed to connect to server /[240e:982:e863:1f09:1803:1a65:1c19:7fe7]:21900 client-side timeout 3000ms (elapsed: 3001ms) from netty client 10.123.65.2 using dubbo version 3.2.9 at org.apache.dubbo.remoting.transport.netty4.NettyClient.doConnect(NettyClient.java:257) ~[dubbo-3.2.9.jar:3.2.9] at org.apache.dubbo.remoting.transport.netty4.NettyClient.doConnect(NettyClient.java:171) ~[dubbo-3.2.9.jar:3.2.9] at org.apache.dubbo.remoting.transport.AbstractClient.connect(AbstractClient.java:242) ~[dubbo-3.2.9.jar:3.2.9] at org.apache.dubbo.remoting.transport.AbstractClient.reconnect(AbstractClient.java:304) ~[dubbo-3.2.9.jar:3.2.9] at org.apache.dubbo.remoting.exchange.support.header.HeaderExchangeClient.reconnect(HeaderExchangeClient.java:189) ~[dubbo-3.2.9.jar:3.2.9] at org.apache.dubbo.remoting.exchange.support.header.ReconnectTimerTask.doTask(ReconnectTimerTask.java:56) ~[dubbo-3.2.9.jar:3.2.9] at org.apache.dubbo.remoting.exchange.support.header.AbstractTimerTask.run(AbstractTimerTask.java:93) ~[dubbo-3.2.9.jar:3.2.9] at org.apache.dubbo.common.timer.HashedWheelTimer$HashedWheelTimeout.expire(HashedWheelTimer.java:653) ~[dubbo-3.2.9.jar:3.2.9] at org.apache.dubbo.common.timer.HashedWheelTimer$HashedWheelBucket.expireTimeouts(HashedWheelTimer.java:732) ~[dubbo-3.2.9.jar:3.2.9] at org.apache.dubbo.common.timer.HashedWheelTimer$Worker.run(HashedWheelTimer.java:454) ~[dubbo-3.2.9.jar:3.2.9] at java.base/java.lang.Thread.run(Thread.java:1583) [?:?]

What you expected to happen

试了ipv6的地址和端口是没法通，不知道是不是这个问题导致

Anything else

No response

Are you willing to submit a pull request to fix on your own?

  • [ ] Yes I am willing to submit a pull request on my own!

Code of Conduct

Comment From: dingzebin

有没有配置可以关掉Dubbo URL上面自动加ipv6

Comment From: wcy666103

Please re-submit this pr in English only.