(dubbo) branch 3.2 updated: fix triple reactor call throws "Too many response for unary method" exception (#14261)

[icodening]

This is an automated email from the ASF dual-hosted git repository.

icodening pushed a commit to branch 3.2
in repository https://gitbox.apache.org/repos/asf/dubbo.git


The following commit(s) were added to refs/heads/3.2 by this push:
     new 95f9984571 fix triple reactor call throws "Too many response for unary 
method" exception (#14261)
95f9984571 is described below

commit 95f99845713ac4ab98201c4e83052411a23736f6
Author: caoyanan666 <55247691+caoyanan...@users.noreply.github.com>
AuthorDate: Fri May 31 16:26:59 2024 +0800

    fix triple reactor call throws "Too many response for unary method" 
exception (#14261)
    
    Co-authored-by: caoyanan <caoya...@growingio.com>
---
 .../java/org/apache/dubbo/reactive/calls/ReactorServerCalls.java  | 8 +++-----
 1 file changed, 3 insertions(+), 5 deletions(-)

diff --git 
a/dubbo-plugin/dubbo-reactive/src/main/java/org/apache/dubbo/reactive/calls/ReactorServerCalls.java
 
b/dubbo-plugin/dubbo-reactive/src/main/java/org/apache/dubbo/reactive/calls/ReactorServerCalls.java
index 24218a1b08..8cf1ef3ed8 100644
--- 
a/dubbo-plugin/dubbo-reactive/src/main/java/org/apache/dubbo/reactive/calls/ReactorServerCalls.java
+++ 
b/dubbo-plugin/dubbo-reactive/src/main/java/org/apache/dubbo/reactive/calls/ReactorServerCalls.java
@@ -48,13 +48,11 @@ public final class ReactorServerCalls {
     public static <T, R> void oneToOne(T request, StreamObserver<R> 
responseObserver, Function<Mono<T>, Mono<R>> func) {
         try {
             func.apply(Mono.just(request))
+                    
.switchIfEmpty(Mono.error(TriRpcStatus.NOT_FOUND.asException()))
                     .subscribe(
-                            res -> {
-                                responseObserver.onNext(res);
-                                responseObserver.onCompleted();
-                            },
+                            responseObserver::onNext,
                             throwable -> doOnResponseHasException(throwable, 
responseObserver),
-                            () -> 
doOnResponseHasException(TriRpcStatus.NOT_FOUND.asException(), 
responseObserver));
+                            responseObserver::onCompleted);
         } catch (Throwable throwable) {
             doOnResponseHasException(throwable, responseObserver);
         }