download manager issues 30x redirects for requests and that is not supported in node-request by default. Also downloader should do basic auth get requests instead of normal ones.
example for url is
https://developers.redhat.com/download-manager/jdf/file/java-1.8.0-openjdk-1.8.0.101-1-redhat.b13.windows.x86_64.msi?workflow=direct