title: java.lang.NoSuchFieldError: ALLOW_FINAL_FIELDS_AS_MUTATORS when I download file from AmazonS3
body: <p>Got java.lang.NoSuchFieldError: ALLOW_FINAL_FIELDS_AS_MUTATORS when executing the following code segment.</p>
  
  <pre><code>S3Object object = s3Client.getObject(new GetObjectRequest(bucketName, fileName));
  
  InputStream reader = new BufferedInputStream(object.getObjectContent());
  File file = new File(filePathToDownload);      
  OutputStream writer = new BufferedOutputStream(new FileOutputStream(file));
  int read = -1;
  while ( ( read = reader.read() ) != -1 ) {
           writer.write(read);
  }
  
  writer.flush();
  writer.close();
  reader.close(); 
  </code></pre>