如何解决在尝试将文件上传到 S3 时，通过 Amplify CLI for Android 项目导入 S3 存储会引发 403 未经身份验证的错误
当我使用以下命令从 amplify CLI 创建 s3 时： amplify add storage .. 一切正常，我可以上传文件。 但是通过 CLI 中的放大导入存储导入现有的 S3 存储桶并将文件上传到 S3 会引发以下错误，
2021-02-06 11:39:26.571 16838-16838/com.example.seki E/MyAmplifyApp: Upload Failed
StorageException{message=Something went wrong with your AWS S3 Storage upload file operation,cause=com.amazonaws.services.s3.model.AmazonS3Exception: Access Denied (Service: Amazon S3; Status Code: 403; Error Code: AccessDenied; Request ID: AE9D3FCEA04F4A6B),S3 Extended Request ID: el6xSv6LQmsoV+JxPAiKy92Qmh5opEARO6RIhQLISz+vHBxp83+uY6jmLyQP8GXlrdDdhJoCTrY=,recoverySuggestion=See attached exception for more information and suggestions}
at com.amplifyframework.storage.s3.operation.AWSS3StorageUploadFileOperation$UploadTransferListener.onError(AWSS3StorageUploadFileOperation.java:207)
at com.amazonaws.mobileconnectors.s3.transferutility.TransferStatusUpdater$4.run(TransferStatusUpdater.java:306)
at android.os.Handler.handleCallback(Handler.java:873)
at android.os.Handler.dispatchMessage(Handler.java:99)
at android.os.Looper.loop(Looper.java:214)
at android.app.ActivityThread.main(ActivityThread.java:7050)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:494)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:965)
Caused by: com.amazonaws.services.s3.model.AmazonS3Exception: Access Denied (Service: Amazon S3; Status Code: 403; Error Code: AccessDenied; Request ID: AE9D3FCEA04F4A6B),S3 Extended Request ID: el6xSv6LQmsoV+JxPAiKy92Qmh5opEARO6RIhQLISz+vHBxp83+uY6jmLyQP8GXlrdDdhJoCTrY=
at com.amazonaws.http.AmazonHttpClient.handleErrorResponse(AmazonHttpClient.java:742)
at com.amazonaws.http.AmazonHttpClient.executeHelper(AmazonHttpClient.java:420)
at com.amazonaws.http.AmazonHttpClient.execute(AmazonHttpClient.java:229)
at com.amazonaws.services.s3.AmazonS3Client.invoke(AmazonS3Client.java:4913)
at com.amazonaws.services.s3.AmazonS3Client.putObject(AmazonS3Client.java:1960)
at com.amazonaws.mobileconnectors.s3.transferutility.UploadTask.uploadSinglePartAndWaitForCompletion(UploadTask.java:282)
at com.amazonaws.mobileconnectors.s3.transferutility.UploadTask.call(UploadTask.java:114)
at com.amazonaws.mobileconnectors.s3.transferutility.UploadTask.call(UploadTask.java:59)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1167)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
at java.lang.Thread.run(Thread.java:764)
2021-02-06 11:39:26.574 16838-16838/com.example.seki E/MyAmplifyApp: Upload Failed
StorageException{message=Storage upload operation was interrupted.,cause=null,recoverySuggestion=Please verify that you have a stable internet connection.}
at com.amplifyframework.storage.s3.operation.AWSS3StorageUploadFileOperation$UploadTransferListener.onStateChanged(AWSS3StorageUploadFileOperation.java:188)
at com.amazonaws.mobileconnectors.s3.transferutility.TransferStatusUpdater$2.run(TransferStatusUpdater.java:224)
at android.os.Handler.handleCallback(Handler.java:873)
at android.os.Handler.dispatchMessage(Handler.java:99)
at android.os.Looper.loop(Looper.java:214)
at android.app.ActivityThread.main(ActivityThread.java:7050)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:494)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:965)
注意：我为导入 S3 时创建的 Cognito 身份池启用了未经身份验证的访问。
我也在 amplify Github 中提出了同样的问题，-https://github.com/aws-amplify/amplify-cli/issues/6515
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