Land #3295 - Fix NoMethodError undefined method `body' for nil:NilClass

modules/exploits/multi/http/jboss_maindeployer.rb

@@ -315,9 +315,12 @@ class Metasploit3 < Msf::Exploit::Remote
         'uri'    => path
       }, 20)
 
+    if (res) && (res.code == 401)
+      fail_with(Failure::NoAccess,"Unable to bypass authentication.  Try changing the verb to HEAD to exploit CVE-2010-0738.")
+    end
+
     if (not res) or (res.code != 200)
-      print_error("Failed: Error requesting #{path}")
-      return nil
+      fail_with(Failure::Unknown,"Failed: Error requesting #{path}")
     end
 
     res