Google雲端硬盤文件列表：500錯誤

Question

對於我們的應用程序，我們正在使用Google Drive SDK進行2階段授權。 我們長時間使用Drive SDK，但今天我們遇到了Files.list API的新問題（https://developers.google.com/drive/v2/reference/files/list）。對於某些用戶，來自不同域的我們遇到以下錯誤：

{ "error": { "code": 500, "message": null } }

驅動器SDK一切正常嗎？這個錯誤是什麼意思？

Answer 1

我建議閱讀本post，幫助我來配置和與Android連接到谷歌驅動

編輯：

我有同樣的500錯誤的服務器，以避免出現此錯誤谷歌建議Exponential backoff那根據它們：

Exponential backoff is a standard error handling strategy for network applications in which the client periodically retries a failed request over an increasing amount of time. If a high volume of requests or heavy network traffic causes the server to return errors, exponential backoff may be a good strategy for handling those errors. Conversely, it is not a relevant strategy for dealing with errors unrelated to rate-limiting, network volume or response times, such as invalid authorization credentials or file not found errors.

Used properly, exponential backoff increases the efficiency of bandwidth usage, reduces the number of requests required to get a successful response, and maximizes the throughput of requests in concurrent environments.

實施例：

的Android代碼：

FileList files = null; 

for (int n = 0; n < 5; ++n) { 

    try { 
     setStatus("trying n = " + n); 
     files = service.files() 
     .list() 
     .setMaxResults(1) 
     .setQ("mimeType = 'application/vnd.google-apps.folder' and title = 'folder_title'") 
     .execute(); 
    } 
    catch (GoogleJsonResponseException e) 
    { 
     if (e.getDetails().getCode() == 500) { 
     try { 
      Thread.sleep((1 << n) * 1000 + randomGenerator.nextInt(1001)); 
      setStatus("sleep() n = " + n); 
     } catch (InterruptedException e1) { 
      // TODO Auto-generated catch block 
      setStatus("InterruptedException n = " + n + " " + e1.getMessage()); 
      e1.printStackTrace(); 
     } 
     } 
    } 

} 

我已經測試此代碼，並在最後嘗試連接成功

谷歌推薦使用指數回退與4XX和5XX服務器error

的4xx server錯誤主要用於認證問題