[Bug] When using a parameterless server-streaming method with the Stream protocol, not enabling -parameter will cause an error because the response's name cannot be retrieved.

[RainYuY]

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Apache Dubbo Component

Java SDK (apache/dubbo)

Dubbo Version

When using a parameterless server-streaming method with the Stream protocol, not enabling -parameter will cause an error because the response's name cannot be retrieved.

Steps to reproduce this issue

use method like void get(StreamObserver<String> responseObserver);

What you expected to happen

Normal run.Needn't open -paramter.

Anything else

No response

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[oxsean]

Fixed in #15387