xiaolin310 opened a new issue, #1933:
URL: https://github.com/apache/incubator-brpc/issues/1933
**Describe the bug (描述bug)**
I use following `channel Init` API to resolve full dns hostname.
```c++
std::string naming_service_url("http://myhost0.local:8002";);
const char *load_balancer_name = "random";
brpc::Channel channel;
if (0 != channel.Init(naming_service_url.c_str(), load_balancer_name,
nullptr) )
{
xxxxxx
}
```
Another two hosts called `myhost1.local`, `myhost2.local` , use above API to
init brpc channel.
But got following logs,
```
I0923 09:32:26.908915 29
/data/workspace/brpc/src/brpc/details/naming_service_thread.cpp:202]
brpc::policy::DomainNamingService("myhost0.local:8002"): added 1
W0923 09:32:30.874791 54
/data/workspace/brpc/src/brpc/details/naming_service_thread.cpp:305]
`http://myhost0.local:8002' is empty! RPC over the channel will fail until
servers appear
W0923 09:32:35.877102 54
/data/workspace/brpc/src/brpc/details/naming_service_thread.cpp:305]
`http://myhost0.local:8002' is empty! RPC over the channel will fail until
servers appear
W0923 09:32:40.879414 54
/data/workspace/brpc/src/brpc/details/naming_service_thread.cpp:305]
`http://myhost0.local:8002' is empty! RPC over the channel will fail until
servers appear
W0923 09:32:45.881746 54
/data/workspace/brpc/src/brpc/details/naming_service_thread.cpp:305]
`http://myhost0.local:8002' is empty! RPC over the channel will fail until
servers appear
W0923 09:32:50.884365 54
/data/workspace/brpc/src/brpc/details/naming_service_thread.cpp:305]
`http://myhost0.local:8002' is empty! RPC over the channel will fail until
servers appear
W0923 09:32:55.886679 54
/data/workspace/brpc/src/brpc/details/naming_service_thread.cpp:305]
`http://myhost0.local:8002' is empty! RPC over the channel will fail until
servers appear
W0923 09:33:00.889066 54
/data/workspace/brpc/src/brpc/details/naming_service_thread.cpp:305]
`http://myhost0.local:8002' is empty! RPC over the channel will fail until
servers appear
W0923 09:33:05.891879 54
/data/workspace/brpc/src/brpc/details/naming_service_thread.cpp:305]
`http://myhost0.local:8002' is empty! RPC over the channel will fail until
servers appear
W0923 09:33:10.894347 54
/data/workspace/brpc/src/brpc/details/naming_service_thread.cpp:305]
`http://myhost0.local:8002' is empty! RPC over the channel will fail until
servers appear
```
It seems that the other two hosts has resolved the host, but still print
`empty` cyclically.
There are also other three port served on host`myhost0.local` named `8000,
8001, 8003`, but those are resolved well since there is nothing to print
cyclically as above.
By the way, the dns name `myhost0.local:8002` could be resolved by command
shell (`nslookup` or `telnet`) in terminal on the other two hosts.
**To Reproduce (复现方法)**
**Expected behavior (期望行为)**
**Versions (各种版本)**
OS: ubuntu 20.04
Compiler: gcc
brpc: master d0b71ffc34b73cbec39cd9773b01137f85b4ffde
protobuf: 3.6.1
**Additional context/screenshots (更多上下文/截图)**
--
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]
---------------------------------------------------------------------
To unsubscribe, e-mail: [email protected]
For additional commands, e-mail: [email protected]
