graysonzeng opened a new issue, #23588: URL: https://github.com/apache/pulsar/issues/23588
### Search before asking - [X] I searched in the [issues](https://github.com/apache/pulsar/issues) and found nothing similar. ### Read release policy - [X] I understand that unsupported versions don't get bug fixes. I will attempt to reproduce the issue on a supported version of Pulsar client and Pulsar broker. ### Version pulsar 3.3.0 kubernetes 1.18.4 ### Minimal reproduce step online error ### What did you expect to see? consume success ### What did you see instead? ``` java java.util.concurrent.CompletionException: io.netty.resolver.dns.DnsResolveContext$SearchDomainUnknownHostException: Failed to resolve 'pulsar-uqhf-178-pulsar-cluster-broker-1.pulsar-uqhf-178-pulsar-cluster-broker-headless.pulsar.svc.cluster.local' [A(1)] and search domain query for configured domains failed as well: [pulsar.svc.cluster.local, svc.cluster.local, cluster.local] Caused by: io.netty.resolver.dns.DnsResolveContext$SearchDomainUnknownHostException: Failed to resolve 'pulsar-uqhf-178-pulsar-cluster-broker-1.pulsar-uqhf-178-pulsar-cluster-broker-headless.pulsar.svc.cluster.local' [A(1)] and search domain query for configured domains failed as well: [pulsar.svc.cluster.local, svc.cluster.local, cluster.local] Caused by: io.netty.resolver.dns.DnsNameResolverTimeoutException: [37005: /9.165.255.254:53] DefaultDnsQuestion(pulsar-uqhf-178-pulsar-cluster-broker-1.pulsar-uqhf-178-pulsar-cluster-broker-headless.pulsar.svc.cluster.local. IN A) query '37005' via UDP timed out after 5000 milliseconds (no stack trace available) 2024-10-20T15:18:34,102+0800 [pulsar-proxy-io-2-5] INFO org.apache.pulsar.proxy.server.ProxyConnection - [/21.10.52.200:38756] Connection closed ``` ### Anything else? With the increase in traffic, we have recently discovered that this problem will occasionally occur in the cluster. And there are many consumers using reader mode in our cluster. ### Are you willing to submit a PR? - [X] I'm willing to submit a PR! -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected]
