<Error><Code>InvalidURI</Code><Message>Couldn't parse the specified URI.</Message>

AmazonS3 s3 = S3Controller.getS3Client();

        //as per http://docs.aws.amazon.com/AmazonS3/latest/dev/UsingMetadata.html

        String key = fileName.substring(fileName.indexOf("-")).replaceAll("[^a-zA-Z0-9._]", "");
        PutObjectRequest putObjectRequest = new PutObjectRequest(
                S3Controller.bucketNameForBucket(S3Controller.Bucket.EXPORT_BUCKET),
                key,
                file);
        // we can always regenerate these files, so we can used reduced redundancy storage
        putObjectRequest.setStorageClass(StorageClass.Standard);
        String urlEncodedUTF8Filename = key;
        try {
            //http://www.bennadel.com/blog/2696-overriding-content-type-and-content-disposition-headers-in-amazon-s3-pre-signed-urls.htm
            //http://www.bennadel.com/blog/2591-embedding-foreign-characters-in-your-content-disposition-filename-header.htm
            //Issue#179
            urlEncodedUTF8Filename = URLEncoder.encode(fileName.substring(fileName.indexOf("-")), "UTF-8");
        } catch (UnsupportedEncodingException e) {
            LOG.warn("Could not URLEncode a filename. Original Filename: " + fileName, e );
        }

        ObjectMetadata metadata = new ObjectMetadata();
        metadata.setContentDisposition("attachment; filename="" + key + ""; filename*=UTF-8''"+ urlEncodedUTF8Filename);
        putObjectRequest.setMetadata(metadata);

        s3.putObject(putObjectRequest);