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Posted to notifications@dubbo.apache.org by GitBox <gi...@apache.org> on 2022/08/17 13:40:32 UTC
[GitHub] [dubbo] H-Bob opened a new issue, #10479: add a method in IDubboService may cause "Service not found" exception.
H-Bob opened a new issue, #10479:
URL: https://github.com/apache/dubbo/issues/10479
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### Environment
* Dubbo version: 3.0.7
* Operating System version: macOS 12.1
* Java version: 17
### Steps to reproduce this issue
1. IDubboService has a method which named **methodA**.
2. deploy IDubboService to **serverA**.
3. add a method whose name is **methodB** to IDubboService in **myLocalServer** but not in serverA
4. serverA and myLocalServer use the same register-center.
5. when consumer side invokes IDubboService.methodB(), both of the providers in serverA and myLocalServer can be selected.
6. then it will cause an exception that is "java.lang.IllegalArgumentException: Service not found:com.xxx. IDubboService, methodB" if it chose serverA as result-invoker according to router and loadbalance rules.
### Expected Behavior
<!-- What do you expect from the above steps？-->
The expected behavior is that it only chose myLocalServer who has methodB as provider or result-invoker.
### Actual Behavior
<!-- What actually happens? -->
exception trace is here:
```
java.lang.IllegalArgumentException: Service not found:com.garena.core.logic.rpcservice.login.server.ILoginServerService, ping2
at org.apache.dubbo.rpc.protocol.dubbo.DecodeableRpcInvocation.decode(DecodeableRpcInvocation.java:205)
at org.apache.dubbo.rpc.protocol.dubbo.DecodeableRpcInvocation.decode(DecodeableRpcInvocation.java:93)
at org.apache.dubbo.remoting.transport.DecodeHandler.decode(DecodeHandler.java:57)
at org.apache.dubbo.remoting.transport.DecodeHandler.received(DecodeHandler.java:44)
at org.apache.dubbo.remoting.transport.dispatcher.ChannelEventRunnable.run(ChannelEventRunnable.java:57)
at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
at org.apache.dubbo.common.threadlocal.InternalRunnable.run(InternalRunnable.java:41)
at java.base/java.lang.Thread.run(Thread.java:833)
```
I am confused that whether it is designed to be this or it is a bug. If it should be this, can anybody tell me why?
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[GitHub] [dubbo] H-Bob commented on issue #10479: adding a method in IDubboService may cause "Service not found" exception.
Posted by GitBox <gi...@apache.org>.
H-Bob commented on issue #10479:
URL: https://github.com/apache/dubbo/issues/10479#issuecomment-1230126245
> Dubbo consumers will now not check for method existence. Please try specifying another version for the service when upgrading.
> https://dubbo.apache.org/zh/docs3-v2/java-sdk/advanced-features-and-usage/service/multi-versions/
Thank you so much. I learned that Dubbo service detective can based on interface or application but not method.
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[GitHub] [dubbo] AlbumenJ commented on issue #10479: adding a method in IDubboService may cause "Service not found" exception.
Posted by GitBox <gi...@apache.org>.
AlbumenJ commented on issue #10479:
URL: https://github.com/apache/dubbo/issues/10479#issuecomment-1220165651
Dubbo consumers will now not check for method existence. Please try specifying another version for the service when upgrading.
https://dubbo.apache.org/zh/docs3-v2/java-sdk/advanced-features-and-usage/service/multi-versions/
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[GitHub] [dubbo] H-Bob closed issue #10479: adding a method in IDubboService may cause "Service not found" exception.
Posted by GitBox <gi...@apache.org>.
H-Bob closed issue #10479: adding a method in IDubboService may cause "Service not found" exception.
URL: https://github.com/apache/dubbo/issues/10479
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