s3 integrity exception when skipping content

[brackxm]

Skipping from an inputstream from S3Object.getObjectContent() results in an AmazonClientException when reading the content.

exception:

com.amazonaws.AmazonClientException: Unable to verify integrity of data download.  Client calculated content hash didn't match hash calculated by Amazon S3.  The data may be corrupt.
    at com.amazonaws.services.s3.internal.DigestValidationInputStream.validateMD5Digest(DigestValidationInputStream.java:79)
    at com.amazonaws.services.s3.internal.DigestValidationInputStream.read(DigestValidationInputStream.java:61)
    at java.io.FilterInputStream.read(FilterInputStream.java:133)
    at java.io.FilterInputStream.read(FilterInputStream.java:107)
    at com.amazonaws.util.IOUtils.toByteArray(IOUtils.java:34)

test case:

    @Test
    public void test() throws IOException {
        final String bucketName = "mybucket";
        final String key = "mykey";
        final AmazonS3 client = new AmazonS3Client();
        {
            final InputStream input = new ByteArrayInputStream(new byte[2]);
            client.putObject(bucketName, key, input, new ObjectMetadata());
        }
        {
            final S3Object object = client.getObject(bucketName, key);
            final InputStream content = object.getObjectContent();
            content.skip(1);
            IOUtils.toByteArray(content);
            content.close();
        }
    }

[brackxm]

The digest is only calculated on the partial content.
The read() from the skip() is not percolated to the DigestInputStream.

[hansonchar]

Taking a look

[hansonchar]

This should be fixed in the next release (or so). Thanks for reporting!

[david-at-aws]

This has been fixed in 1.8.0: http://aws.amazon.com/releasenotes/2874991743005522