sqlmap version: 1.0-dev-763b72a
Python version: 2.7.3
Operating system: posix
Command line: sqlmap.py -x 14.200.42.49
Technique: None
Back-end DBMS: None (identified)

Traceback (most recent call last):
  File "sqlmap.py", line 101, in main
    init()
  File "lib/core/option.py", line 2565, in init
    _setSitemapTargets()
  File "lib/core/option.py", line 600, in _setSitemapTargets
    for item in parseSitemap(conf.sitemapUrl):
  File "lib/parse/sitemap.py", line 32, in parseSitemap
    content = Request.getPage(url=url, raise404=True)[0] if not abortedFlag else ""
  File "lib/request/connect.py", line 497, in getPage
    kwargs['url'] = conf.url[:conf.url.rfind('/') + 1] + url
AttributeError: 'NoneType' object has no attribute 'rfind'