zrlw opened a new pull request, #15566:
URL: https://github.com/apache/dubbo/pull/15566
## What is the purpose of the change?
should not use faked hostname at NacosNamingServiceUtilsTest, otherwise
```UnknownHostException``` warning will occur during testing like this
```
2025-07-19T15:37:27.6350145Z Jul 19, 2025 3:37:27 PM
com.alibaba.nacos.shaded.io.grpc.internal.ManagedChannelImpl$NameResolverListener
handleErrorInSyncContext
2025-07-19T15:37:27.6352003Z WARNING: [Channel<345>: (test:9080)] Failed to
resolve name. status=Status{code=UNAVAILABLE, description=Unable to resolve
host test, cause=java.lang.RuntimeException: java.net.UnknownHostException: test
2025-07-19T15:37:27.6353296Z at
com.alibaba.nacos.shaded.io.grpc.internal.DnsNameResolver.resolveAddresses(DnsNameResolver.java:223)
2025-07-19T15:37:27.6354400Z at
com.alibaba.nacos.shaded.io.grpc.internal.DnsNameResolver.doResolve(DnsNameResolver.java:282)
2025-07-19T15:37:27.6355240Z at
com.alibaba.nacos.shaded.io.grpc.internal.DnsNameResolver$Resolve.run(DnsNameResolver.java:318)
2025-07-19T15:37:27.6356041Z at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
2025-07-19T15:37:27.6356636Z at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
2025-07-19T15:37:27.6357072Z at java.lang.Thread.run(Thread.java:750)
2025-07-19T15:37:27.6357462Z Caused by: java.net.UnknownHostException: test
2025-07-19T15:37:27.6358042Z at
java.net.InetAddress$CachedAddresses.get(InetAddress.java:764)
2025-07-19T15:37:27.6358548Z at
java.net.InetAddress.getAllByName0(InetAddress.java:1291)
2025-07-19T15:37:27.6358952Z at
java.net.InetAddress.getAllByName(InetAddress.java:1144)
2025-07-19T15:37:27.6359341Z at
java.net.InetAddress.getAllByName(InetAddress.java:1065)
2025-07-19T15:37:27.6359971Z at
com.alibaba.nacos.shaded.io.grpc.internal.DnsNameResolver$JdkAddressResolver.resolveAddress(DnsNameResolver.java:632)
2025-07-19T15:37:27.6360858Z at
com.alibaba.nacos.shaded.io.grpc.internal.DnsNameResolver.resolveAddresses(DnsNameResolver.java:219)
2025-07-19T15:37:27.6361360Z ... 5 more
2025-07-19T15:37:27.6361535Z }
2025-07-19T15:37:27.8396151Z 15:37:27.835 |-INFO [main]
registry.nacos.NacosNamingServiceWrapper:71 -| [DUBBO] Nacos batch register
enable: true, dubbo version: 3.3.6-SNAPSHOT, current host: 10.1.0.185
2025-07-19T15:37:27.8398534Z 15:37:27.837 |-INFO [main]
registry.nacos.NacosNamingServiceWrapper:71 -| [DUBBO] Nacos batch register
enable: true, dubbo version: 3.3.6-SNAPSHOT, current host: 10.1.0.185
2025-07-19T15:37:27.8402851Z 15:37:27.837 |-INFO [main]
pache.dubbo.registry.nacos.NacosRegistry:426 -| [DUBBO] Register:
nacos://127.0.0.1:3333/org.apache.dubbo.registry.nacos.NacosService?category=providers&group=default&interface=org.apache.dubbo.registry.nacos.NacosService&methods=test1,test2¬ify=false&side=provider&version=1.0.0,
dubbo version: 3.3.6-SNAPSHOT, current host: 10.1.0.185
2025-07-19T15:37:27.8406864Z 15:37:27.838 |-INFO [main]
pache.dubbo.registry.nacos.NacosRegistry:439 -| [DUBBO] Unregister:
nacos://127.0.0.1:3333/org.apache.dubbo.registry.nacos.NacosService?category=providers&group=default&interface=org.apache.dubbo.registry.nacos.NacosService&methods=test1,test2¬ify=false&side=provider&version=1.0.0,
dubbo version: 3.3.6-SNAPSHOT, current host: 10.1.0.185
2025-07-19T15:37:27.9354741Z 15:37:27.842 |-INFO [main]
.auth.spi.client.ClientAuthPluginManager:56 -| [ClientAuthPluginManager] Load
ClientAuthService com.alibaba.nacos.client.auth.impl.NacosClientAuthServiceImpl
success.
2025-07-19T15:37:27.9356707Z 15:37:27.842 |-INFO [main]
.auth.spi.client.ClientAuthPluginManager:56 -| [ClientAuthPluginManager] Load
ClientAuthService com.alibaba.nacos.client.auth.ram.RamClientAuthServiceImpl
success.
2025-07-19T15:37:28.0355237Z Jul 19, 2025 3:37:27 PM
com.alibaba.nacos.shaded.io.grpc.internal.ManagedChannelImpl$NameResolverListener
handleErrorInSyncContext
2025-07-19T15:37:28.0356462Z WARNING: [Channel<383>: (backup:9848)] Failed
to resolve name. status=Status{code=UNAVAILABLE, description=Unable to resolve
host backup, cause=java.lang.RuntimeException: java.net.UnknownHostException:
backup
2025-07-19T15:37:28.0357526Z at
com.alibaba.nacos.shaded.io.grpc.internal.DnsNameResolver.resolveAddresses(DnsNameResolver.java:223)
2025-07-19T15:37:28.0358510Z at
com.alibaba.nacos.shaded.io.grpc.internal.DnsNameResolver.doResolve(DnsNameResolver.java:282)
2025-07-19T15:37:28.0359229Z at
com.alibaba.nacos.shaded.io.grpc.internal.DnsNameResolver$Resolve.run(DnsNameResolver.java:318)
2025-07-19T15:37:28.0359895Z at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
2025-07-19T15:37:28.0360490Z at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
2025-07-19T15:37:28.0360924Z at java.lang.Thread.run(Thread.java:750)
2025-07-19T15:37:28.0367500Z Caused by: java.net.UnknownHostException: backup
2025-07-19T15:37:28.0368265Z at
java.net.InetAddress$CachedAddresses.get(InetAddress.java:764)
2025-07-19T15:37:28.0368706Z at
java.net.InetAddress.getAllByName0(InetAddress.java:1291)
2025-07-19T15:37:28.0369113Z at
java.net.InetAddress.getAllByName(InetAddress.java:1144)
2025-07-19T15:37:28.0369494Z at
java.net.InetAddress.getAllByName(InetAddress.java:1065)
2025-07-19T15:37:28.0370096Z at
com.alibaba.nacos.shaded.io.grpc.internal.DnsNameResolver$JdkAddressResolver.resolveAddress(DnsNameResolver.java:632)
2025-07-19T15:37:28.0370992Z at
com.alibaba.nacos.shaded.io.grpc.internal.DnsNameResolver.resolveAddresses(DnsNameResolver.java:219)
2025-07-19T15:37:28.0371547Z ... 5 more
```
## Checklist
- [x] Make sure there is a
[GitHub_issue](https://github.com/apache/dubbo/issues) field for the change.
- [x] Write a pull request description that is detailed enough to understand
what the pull request does, how, and why.
- [x] Write necessary unit-test to verify your logic correction. If the new
feature or significant change is committed, please remember to add sample in
[dubbo samples](https://github.com/apache/dubbo-samples) project.
- [x] Make sure gitHub actions can pass. [Why the workflow is failing and
how to fix it?](../CONTRIBUTING.md)
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