zrlw commented on code in PR #15518:
URL: https://github.com/apache/dubbo/pull/15518#discussion_r2182353870


##########
dubbo-remoting/dubbo-remoting-http3/src/main/java/org/apache/dubbo/remoting/http3/netty4/NettyHttp3FrameCodec.java:
##########
@@ -95,7 +96,11 @@ public void write(ChannelHandlerContext ctx, Object msg, 
ChannelPromise promise)
                     new 
DefaultHttp3HeadersFrame(((NettyHttpHeaders<Http3Headers>) 
headers.headers()).getHeaders()),
                     promise);
             if (headers.isEndStream()) {
-                ctx.close();
+                if (promise.isDone()) {

Review Comment:
   refer to io.netty.handler.codec.http2.Http2ConnectionHandler:
   if the close operation causes the stream to be closed, it will add a hook to 
close the channel after the given future completes whether executing 
closeStreamLocal or closeStreamRemote method.
   ```
       @Override
       public void closeStream(final Http2Stream stream, ChannelFuture future) {
           if (future.isDone()) {
               doCloseStream(stream, future);
           } else {
               future.addListener(new ChannelFutureListener() {
                   @Override
                   public void operationComplete(ChannelFuture future) {
                       doCloseStream(stream, future);
                   }
               });
           }
       }
   ```    



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