Groovy Script error: Unable to process url

Question

I am actually trying to list the files available in artifactory url. But getting the error

groovy.json.JsonException: Unable to process url:

at ConsoleScript27.run(ConsoleScript27:4)

Caused by: java.io.IOException: Server returned HTTP response code: 505 for URL:

... 1 more

Here is the Code

import groovy.json.*
                    def mySlurper = new JsonSlurper().setType(JsonParserType.CHARACTER_SOURCE)
                    def latestUri = 'http://abc.star.com/artifactory/api/storage/third-party-installs/ABC Software/software/Java'
                    def pageUrl = mySlurper.parse(new URL(mySlurper.parse(new URL(latestUri)).get("uri"))).get("downloadUri")