From 1fd1332c92ea25e1b61ba8b1381666f339a0ce89 Mon Sep 17 00:00:00 2001
From: Tony Chen <zhihui_chen@foxmail.com>
Date: Tue, 23 Feb 2021 14:38:37 +0800
Subject: [PATCH] fix middleware errors (#717)

---
 transport/http/server.go | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/transport/http/server.go b/transport/http/server.go
index 4e42f9fb7..4cfd470da 100644
--- a/transport/http/server.go
+++ b/transport/http/server.go
@@ -144,7 +144,9 @@ func (s *Server) ServeHTTP(res http.ResponseWriter, req *http.Request) {
 	if s.middleware != nil {
 		h = s.middleware(h)
 	}
-	h(ctx, req.WithContext(ctx))
+	if _, err := h(ctx, req.WithContext(ctx)); err != nil {
+		s.errorEncoder(res, req, err)
+	}
 }
 
 // Endpoint return a real address to registry endpoint.