ERROR: 500 Internal Server Error

no protocol: http%3A%2F%2Fwww.njsrjournal.org%2Farticle.asp%3Fissn%3D1595-1103%3Byear%3D2016%3Bvolume%3D17%3Bissue%3D2%3Bspage%3D53%3Bepage%3D57%3Baulast%3DYongu%3Btype%3D0

RequestURI=/ServeContent?url=http%253A%252F%252Fwww.njsrjournal.org%252Farticle.asp%253Fissn%253D1595-1103%253Byear%253D2016%253Bvolume%253D17%253Bissue%253D2%253Bspage%253D53%253Bepage%253D57%253Baulast%253DYongu%253Btype%253D0

LOCKSS daemon, powered by Jetty