title: S3: Access Denied
body: <p>I have a thumbnail and so many other buckets in S3. While uploading an image I found the following error message. I am able to access all other buckets.</p>
  
  <pre><code>ERROR AwsServiceImpl:158 - Error Message:    Access Denied (Service: Amazon S3; Status Code: 403; Error Code: AccessDenied; Request ID: B67F17176759690A)
  ERROR AwsServiceImpl:159 - HTTP Status Code: 403
  ERROR AwsServiceImpl:160 - AWS Error Code:   AccessDenied
  ERROR AwsServiceImpl:161 - Error Type:       Client
  ERROR AwsServiceImpl:162 - Request ID:       B67F17176759690A
  </code></pre>
  
  <p>Can anybody point out the reason behind the message?</p>