From bc5f1163e752bbf535b96051104d067f3526502a Mon Sep 17 00:00:00 2001
From: Harry Li <bertram_li@163.com>
Date: Thu, 7 Mar 2024 17:01:00 +0800
Subject: [PATCH] fix: Improper handling of empty POST requests

---
 jsr311.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/jsr311.go b/jsr311.go
index 07a0c91e..a9b3faaa 100644
--- a/jsr311.go
+++ b/jsr311.go
@@ -155,7 +155,7 @@ func (r RouterJSR311) detectRoute(routes []Route, httpRequest *http.Request) (*R
 		method, length := httpRequest.Method, httpRequest.Header.Get("Content-Length")
 		if (method == http.MethodPost ||
 			method == http.MethodPut ||
-			method == http.MethodPatch) && length == "" {
+			method == http.MethodPatch) && (length == "" || length == "0") {
 			return nil, NewError(
 				http.StatusUnsupportedMediaType,
 				fmt.Sprintf("415: Unsupported Media Type\n\nAvailable representations: %s", strings.Join(available, ", ")),