我在嘗試刪除內容項目(用戶的圖片blob項目)時存在一個奇怪的問題,在後端存儲爲PNG圖片文件數據庫。Quickblox:刪除內容項目時出現問題(圖片文件/ blob)
刪除過程沒有錯誤,但給出了「422 Unprocessable Entity」。這是什麼意思?在Quickblox管理面板中選中內容項目的狀態似乎是OK並準備就緒。
我已經上傳與下面的API調用的內容:
[QBContent TUploadFile:imageData fileName:@"profile.png" contentType:@"image/png" isPublic:YES delegate:self];
我試圖刪除與下面的API調用的對象:
[QBContent deleteBlobWithID:blobID delegate:self];
QB日誌:
Performing async request:
DELETE http://api.quickblox.com/blobs/91049.xml
headers:{
"QB-SDK" = "iOS 1.8";
"Qb-Token" = b9e3d1cc708c8444070544df8c642ad194509e67;
"QuickBlox-REST-API-Version" = "0.1.1";
}
parameters:
2013-12-12 14:33:52.328 QBTestApp[21095:6b73] Request finished, response:
headers:{
"Access-Control-Allow-Origin" = "*";
"Cache-Control" = "no-cache";
Connection = "keep-alive";
"Content-Length" = 49;
"Content-Type" = "application/xml; charset=utf-8";
Date = "Thu, 12 Dec 2013 13:33:58 GMT";
"QB-Token-ExpirationDate" = "2013-12-12 15:32:22 UTC";
"QuickBlox-REST-API-Version" = "0.1.1";
Server = "nginx/1.0.15";
Status = "422 Unprocessable Entity";
"X-Rack-Cache" = "invalidate, pass";
"X-Request-Id" = 3f235134e5aa0bd012ef78e54cddc164;
"X-Runtime" = "0.039680";
"X-UA-Compatible" = "IE=Edge,chrome=1";
}
body:
error:
<?xml version="1.0" encoding="UTF-8"?>
<errors/>
任何想法我可能在這裏做錯了嗎?再次感謝(再次)! :-)
更新14/12/2013:我爲此創建了一個小測試小程序,似乎能夠成功刪除較舊的blob文件,但不是我創建並附加到用戶的最新blob文件。這讓我想起** blob項是否被鎖定**以防將其附加到某個用戶的_user.blobID_字段中?所以這個問題的正確解決方法是從_user.blobID_字段中刪除特定的blob鏈接,然後更新這樣的用戶對象,並且只有這樣才能完成我可以刪除blob內容文件 - >待驗證(我會請在星期一檢查) –