Reported by John Omernik:
I am probably missing something minor here, but I am working with Ted
Dunning on some PCAP plugin stuff, so I built his 1.13 SNAPSHOT, and when I
try to login I see
DRILL-5425 SPNEGO supports was provided for Drill WebServer. With this check-in a backward compatibility change is missing in MainLoginPageModel, where in absence of drill.exec.http.auth.mechanisms property it errors out. It should default to Form authentication in this case.