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無法更新 appdata 范圍內的文件存儲 - 500 內部服務

Java問題 html5模板網
Unable update file store in appdata scope - 500 Internal Server Error(無法更新 appdata 范圍內的文件存儲 - 500 內部服務器錯誤)
本文介紹了無法更新 appdata 范圍內的文件存儲 - 500 內部服務器錯誤的處理方法，對大家解決問題具有一定的參考價值，需要的朋友們下面隨著小編來一起學習吧！

問題描述

之前我有一組Google Drive API代碼，在以下場景下可以正常工作

Previously, I have a set of Google Drive API code, which works fine in the following scenarios

  1. 將新文件保存到 appdata
  2. 更新 appdata 中的先前文件
  3. 將新文件保存到非應用數據
  4. 更新非 appdata 中的先前文件

幾天前，我遇到場景 2 不再工作(更新 appdata 中的先前文件)，而其他場景仍然可以正常工作.我將收到以下異常.

Few days ago, I encounter scenario 2 no longer work (Update previous file in appdata), whereas other scenarios still work without problem. I will be getting the following exception.

com.google.api.client.googleapis.json.GoogleJsonResponseException: 500 Internal Server Error
{
  "code": 500,
  "errors": [
    {
      "domain": "global",
      "message": "Internal Error",
      "reason": "internalError"
    }
  ],
  "message": "Internal Error"
}
    at com.google.api.client.googleapis.json.GoogleJsonResponseException.from(GoogleJsonResponseException.java:145)
    at com.google.api.client.googleapis.services.json.AbstractGoogleJsonClientRequest.newExceptionOnError(AbstractGoogleJsonClientRequest.java:113)
    at com.google.api.client.googleapis.services.json.AbstractGoogleJsonClientRequest.newExceptionOnError(AbstractGoogleJsonClientRequest.java:40)
    at com.google.api.client.googleapis.services.AbstractGoogleClientRequest.executeUnparsed(AbstractGoogleClientRequest.java:423)
    at com.google.api.client.googleapis.services.AbstractGoogleClientRequest.executeUnparsed(AbstractGoogleClientRequest.java:343)
    at com.google.api.client.googleapis.services.AbstractGoogleClientRequest.execute(AbstractGoogleClientRequest.java:460)
    at org.yccheok.jstock.gui.Utils.updateFile(Utils.java:1414)

我同時使用 DRIVE 和 DRIVE_APPDATA 范圍 - authorizeDrive()

I'm using both DRIVE and DRIVE_APPDATA scope - authorizeDrive()

代碼如下

  • saveToGoogleDrive()- 在 appdata 中保存或更新文件，在更新文件期間不起作用.在保存新文件期間工作.
  • saveToLegacyGoogleDrive()- 在非應用數據中保存或更新文件，一切正常！
  • saveToGoogleDrive() - Save or update file in appdata, doesn't work during update file. Work during saving new file.
  • saveToLegacyGoogleDrive() - Save or update file in non-appdata, all works!

在第 1414 行拋出異常，即

Exception is being thrown at Line 1414, which is

com.google.api.services.drive.model.File updatedFile = service.files().update(fileId, file, mediaContent).setNewRevision(false).execute();

使用查詢 title contains 'jstock-fe78440e-e0fe-4efb' and tramed = false and 'appdata' in parents 在 appdata 中搜索上一個文件是完全可以的.我們能夠毫無問題地檢索以前的文件 ID.

Searching previous file in appdata using query title contains 'jstock-fe78440e-e0fe-4efb' and trashed = false and 'appdata' in parents is completely fine. We're able to retrieve the previous file id without problem.

但是，當我們使用檢索到的文件 id 執行文件更新時，會拋出 500 Internal Server Error.

However, 500 Internal Server Error is being thrown, when we perform file updating using retrieved file id.

一些用戶在 appdata 中搜索時遇到了問題(這不是我的情況).在 'appdata' 文件夾內搜索文件夾 建議的解決方法是添加 drive.只讀.元數據.我試過一次，但沒有任何區別.

Some users encountered problem during searching in appdata (which is not my case). Search folder inside 'appdata' folder The suggested workaround is to add drive.readonly.metadata. I had tried that once, but it makes no difference.

Jon Skeet

我已經設法重現了這個問題.沒有 setNewRevision(false) 它有效 - 我意識到這可能并非在所有情況下都可行，但它是目前對您來說合理的解決方法?

I've managed to reproduce the issue. Without setNewRevision(false) it works - I realize that may not be feasible in all cases, but is it a reasonable workaround for you for the moment?

但是，我現在將保留這種解決方法.我們更喜歡使用 setNewRevision(false)，以防止導致用戶數據存儲配額的使用增加 - http://developers.google.com/drive/v2/reference/files/update

However, I will on hold on such workaround at this moment. We prefer to have setNewRevision(false), to prevent from causing increased use of the user's data storage quota - http://developers.google.com/drive/v2/reference/files/update

演示問題的簡短而完整的源代碼

  1. 創建一個客戶 ID &密鑰.更新源代碼.
  2. 創建一個document.txt
  3. 第一次運行源碼，上傳document.txt到appdata文件夾.它應該成功.通過在線 Google Drive 檢查您上傳的文件.(見附件)
  4. 第二次運行源代碼，對appdata文件夾中之前的document.txt進行更新.500 Internal Server Error 異常應該被拋出.
  1. Create a client id & secret key. Update source code.
  2. Create a document.txt
  3. Run the source code first time, to upload document.txt to appdata folder. It should success. Check your uploaded file through online Google Drive. (Please refer to attachment)
  4. Run the source code for second time, to perform update on previous document.txt in appdata folder. The 500 Internal Server Error exception should be thrown.

/*
 * To change this license header, choose License Headers in Project Properties.
 * To change this template file, choose Tools | Templates
 * and open the template in the editor.
 */

package insert;

import com.google.api.client.auth.oauth2.Credential;
import com.google.api.client.googleapis.auth.oauth2.GoogleAuthorizationCodeFlow;
import com.google.api.client.googleapis.auth.oauth2.GoogleCredential;
import com.google.api.client.googleapis.auth.oauth2.GoogleTokenResponse;
import com.google.api.client.googleapis.javanet.GoogleNetHttpTransport;
import com.google.api.client.http.FileContent;
import com.google.api.client.http.HttpTransport;
import com.google.api.client.json.gson.GsonFactory;
import com.google.api.services.drive.Drive;
import com.google.api.services.drive.DriveScopes;
import com.google.api.services.drive.model.FileList;
import com.google.api.services.drive.model.ParentReference;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.security.GeneralSecurityException;
import java.util.Arrays;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;


public class Insert {

    private static com.google.api.services.drive.model.File searchFromGoogleDrive(Drive drive, String qString) {
        try {
            Drive.Files.List request = drive.files().list().setQ(qString);

            do {                
                FileList fileList = request.execute();

                com.google.api.services.drive.model.File file = null;

                for (com.google.api.services.drive.model.File f : fileList.getItems()) {

                    final String title = f.getTitle();

                    if (title == null || f.getDownloadUrl() == null || f.getDownloadUrl().length() <= 0) {
                        continue;
                    }

                    file = f;

                    break;
                }

                if (file != null) {
                    return file;
                }

                request.setPageToken(fileList.getNextPageToken());
            } while (request.getPageToken() != null && request.getPageToken().length() > 0);
        } catch (IOException ex) {
            log.error(null, ex);
            return null;
        }
        return null;
    }

    public static boolean saveToGoogleDrive(Credential credential, java.io.File file) {
        final String titleName = "document.txt";
        final String qString = "title contains '" + titleName + "' and trashed = false and 'appdata' in parents";        
        return _saveToGoogleDrive(credential, file, qString, "appdata");
    }

    public static Drive getDrive(Credential credential) {
        Drive service = new Drive.Builder(httpTransport, JSON_FACTORY, credential).setApplicationName("JStock").build();
        return service;
    }

    private static boolean _saveToGoogleDrive(Credential credential, java.io.File file, String qString, String folder) {
        Drive drive = getDrive(credential);

        // Should we new or replace?

        com.google.api.services.drive.model.File googleCloudFile = searchFromGoogleDrive(drive, qString);

        final String title = "document.txt";

        if (googleCloudFile == null) {
            String id = null;
            if (folder != null) {
                com.google.api.services.drive.model.File appData;
                try {
                    appData = drive.files().get(folder).execute();
                    id = appData.getId();
                } catch (IOException ex) {
                    log.error(null, ex);
                    return false;
                }
            }
            return null != insertFile(drive, title, id, file);
        } else {
            final com.google.api.services.drive.model.File oldFile = googleCloudFile;
            return null != updateFile(drive, oldFile.getId(), title, file);
        }
    }

    /**
     * Insert new file.
     *
     * @param service Drive API service instance.
     * @param title Title of the file to insert, including the extension.
     * @param parentId Optional parent folder's ID.
     * @param mimeType MIME type of the file to insert.
     * @param filename Filename of the file to insert.
     * @return Inserted file metadata if successful, {@code null} otherwise.
     */
    private static com.google.api.services.drive.model.File insertFile(Drive service, String title, String parentId, java.io.File fileContent) {
        // File's metadata.
        com.google.api.services.drive.model.File body = new com.google.api.services.drive.model.File();
        body.setTitle(title);

        // Set the parent folder.
        if (parentId != null && parentId.length() > 0) {
            body.setParents(
                Arrays.asList(new ParentReference().setId(parentId)));
        }

        // File's content.
        FileContent mediaContent = new FileContent("", fileContent);
        try {
            com.google.api.services.drive.model.File file = service.files().insert(body, mediaContent).execute();
            return file;
        } catch (IOException e) {
            log.error(null, e);
            return null;
        }
    }

    /**
     * Update an existing file's metadata and content.
     *
     * @param service Drive API service instance.
     * @param fileId ID of the file to update.
     * @param newTitle New title for the file.
     * @param newFilename Filename of the new content to upload.
     * @return Updated file metadata if successful, {@code null} otherwise.
     */
    private static com.google.api.services.drive.model.File updateFile(Drive service, String fileId, String newTitle, java.io.File fileContent) {
        try {
            // First retrieve the file from the API.
            com.google.api.services.drive.model.File file = service.files().get(fileId).execute();

            // File's new metadata.
            file.setTitle(newTitle);

            FileContent mediaContent = new FileContent("", fileContent);

            // Send the request to the API.
            com.google.api.services.drive.model.File updatedFile = service.files().update(fileId, file, mediaContent).setNewRevision(false).execute();

            return updatedFile;
        } catch (IOException e) {
            log.error(null, e);
            return null;
        }
    }

  private static String CLIENT_ID = "CLIENT_ID";
  private static String CLIENT_SECRET = "CLIENT_SECRET";

  private static String REDIRECT_URI = "urn:ietf:wg:oauth:2.0:oob";

  public static void main(String[] args) throws IOException {   
    GoogleAuthorizationCodeFlow flow = new GoogleAuthorizationCodeFlow.Builder(
        httpTransport, JSON_FACTORY, CLIENT_ID, CLIENT_SECRET, Arrays.asList(DriveScopes.DRIVE_APPDATA, DriveScopes.DRIVE))
        .setAccessType("online")
        .setApprovalPrompt("auto").build();

    String url = flow.newAuthorizationUrl().setRedirectUri(REDIRECT_URI).build();
    System.out.println("Please open the following URL in your browser then type the authorization code:");
    System.out.println("  " + url);
    BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
    String code = br.readLine();

    GoogleTokenResponse response = flow.newTokenRequest(code).setRedirectUri(REDIRECT_URI).execute();
    GoogleCredential credential = new GoogleCredential().setFromTokenResponse(response);

    java.io.File fileContent = new java.io.File("document.txt");
    saveToGoogleDrive(credential, fileContent);
  }

    private static final GsonFactory JSON_FACTORY = GsonFactory.getDefaultInstance();

    /** Global instance of the HTTP transport. */
    private static HttpTransport httpTransport;


    private static final Log log = LogFactory.getLog(Insert.class);

    static {
        try {
            // initialize the transport
            httpTransport = GoogleNetHttpTransport.newTrustedTransport();

        } catch (IOException ex) {
            log.error(null, ex);
        } catch (GeneralSecurityException ex) {
            log.error(null, ex);
        }
    }

}

2016 年 1 月 1 日更新

這個問題似乎消失了.我猜 Google Drive 團隊已經修復了它.

Update on 1 January 2016

This problem seems gone. I guess Google Drive team had fixed it.

推薦答案

注意:請不要將此視為來自 Google 的官方回答".雖然我在 Google 工作，但我不從事 Drive API 的工作.

Note: please do not treat this as an "official answer from Google". Although I work at Google, I don't work on the Drive API.

我已重現該問題，并將其報告給 Drive API 團隊，他們可能能夠提供更多詳細信息.同時，我發現的一種解決方法是刪除

I've reproduced the problem, and reported it to the Drive API team, who may be able to provide more details. In the meantime, one workaround I've found is to remove the

setNewRevision(false)

您的 update 調用的一部分在第 1414 行.這不是一個理想的解決方法，因為這意味著您將獲得每次更新的新修訂，這將耗盡存儲配額.但是，它似乎確實避免了您所看到的問題.

part of your update call on line 1414. That's not an ideal workaround as it means you'll get a new revision for each update, which will use up storage quota. However, it does seem to avoid the problem you've seen.

這篇關于無法更新 appdata 范圍內的文件存儲 - 500 內部服務器錯誤的文章就介紹到這了，希望我們推薦的答案對大家有所幫助，也希望大家多多支持html5模板網！

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