ERROR: 500 Internal Server Error

no protocol: http%3A%2F%2Farchfami.ama-assn.org%2Fcgi%2Fcontent%2Frefs%2F3%2F8%2F672

RequestURI=/ServeContent?url=http%253A%252F%252Farchfami.ama-assn.org%252Fcgi%252Fcontent%252Frefs%252F3%252F8%252F672

LOCKSS daemon, powered by Jetty