Without this fix the error the client might see is: target is unknown which wasn't helpful to me when I saw this today. With this fix I now see: MediaType is unknown: 'text/html' which helped me track down the issue to the registry I was talking to. Signed-off-by: Doug Davis <dug@us.ibm.com> Upstream-commit: c127d9614f5b30bd73861877f8540a63e7d869e9 Component: engine