Bukkit/Bukkit — comment on commit a13dc8f1b395752ab3eafbd79bc367869585df46
File:  line 0
By Qala:

It doesn't catch the NPE occuring in Line 156 when no config.yml exists and url is null.
A possible fix was pr 415, but DB fixed it with if(url == null) in 146bc369f5073c869f2a16595af36c6d3310bcdd