Github user zjffdu commented on the issue:
https://github.com/apache/zeppelin/pull/3075
Thanks @jongyoul , I have fixed it in another PR.
https://github.com/apache/zeppelin/pull/3069/files#diff-1a9b22100fb8df38c23a9ec12084d9a4R51
I will use archive as fallback, because other versions may be deleted from
CDN in future as well. ---
