From 3bf883327e8aaa651149ffc7eec1f78d4e8a8292 Mon Sep 17 00:00:00 2001
From: kelgon <kelgonwu@126.com>
Date: Fri, 28 Jul 2017 16:11:23 +0800
Subject: [PATCH] (fix #543)added body to error when Post encounter 4xx
 response

---
 weed/util/http_util.go | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/weed/util/http_util.go b/weed/util/http_util.go
index 086584af7..ca9f7c50e 100644
--- a/weed/util/http_util.go
+++ b/weed/util/http_util.go
@@ -48,10 +48,14 @@ func Post(url string, values url.Values) ([]byte, error) {
 		return nil, err
 	}
 	defer r.Body.Close()
+	b, err := ioutil.ReadAll(r.Body)
 	if r.StatusCode >= 400 {
-		return nil, fmt.Errorf("%s: %s", url, r.Status)
+		if err != nil {
+			return nil, fmt.Errorf("%s: %d - %s", url, r.StatusCode, string(b))
+		} else {
+			return nil, fmt.Errorf("%s: %s", url, r.Status)
+		}
 	}
-	b, err := ioutil.ReadAll(r.Body)
 	if err != nil {
 		return nil, err
 	}