Caught an AmazonServiceException

When I tried to run this sample, I get this:

```
Error Message: Access Denied (Service: Amazon S3; Status Code: 403; Error Code: AccessDenied; Request ID: <>)
HTTP Status Code: 403
AWS Error Code: AccessDenied
Error Type: Client
Request ID: <>
```

Any help is appreciated.

Start by reproducing the sample and identifying the S3 operation that returns the AmazonServiceException. Review the AWS credentials and permissions used by that sample, then confirm that it completes without the reported 403 AccessDenied response.

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