From 456fbd2f776845d92c2899bb5fef61d688f49244 Mon Sep 17 00:00:00 2001
From: kv <gxthrj@163.com>
Date: Thu, 20 May 2021 17:33:04 +0800
Subject: [PATCH] fix: remove upstream which is ref by multi-routes cause retry
 (#472)

---
 pkg/apisix/cluster.go | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/pkg/apisix/cluster.go b/pkg/apisix/cluster.go
index 36b5f3d981..846a17aac7 100644
--- a/pkg/apisix/cluster.go
+++ b/pkg/apisix/cluster.go
@@ -418,7 +418,11 @@ func (c *cluster) deleteResource(ctx context.Context, url string) error {
 
 	if resp.StatusCode != http.StatusOK && resp.StatusCode != http.StatusNoContent && resp.StatusCode != http.StatusNotFound {
 		err = multierr.Append(err, fmt.Errorf("unexpected status code %d", resp.StatusCode))
-		err = multierr.Append(err, fmt.Errorf("error message: %s", readBody(resp.Body, url)))
+		message := readBody(resp.Body, url)
+		err = multierr.Append(err, fmt.Errorf("error message: %s", message))
+		if strings.Contains(message, "still using") {
+			return cache.ErrStillInUse
+		}
 		return err
 	}
 	return nil