Address PR comments

lib/metasploit/framework/data_service/proxy/core.rb

@@ -118,6 +118,8 @@ class DataProxy
   def log_error(exception, ui_message)
     elog "#{ui_message}: #{exception.message}"
     exception.backtrace.each { |line| elog "#{line}" }
+    # TODO: We should try to surface the original exception, instead of just a generic one.
+    # This should not display the full backtrace, only the message.
     raise Exception, "#{ui_message}: #{exception.message}. See log for more details."
   end
 

lib/metasploit/framework/data_service/proxy/nmap_data_proxy.rb

@@ -5,7 +5,7 @@ module NmapDataProxy
       data_service = self.get_data_service()
       data_service.import_nmap_xml_file(args)
     rescue Exception => e
-      self.log_error(e, "Problem importing nmap XML file")
+      self.log_error(e, "Problem importing Nmap XML file")
     end
   end
 end

lib/metasploit/framework/data_service/proxy/vuln_data_proxy.rb

@@ -5,7 +5,7 @@ module VulnDataProxy
       data_service = self.get_data_service()
       data_service.report_vuln(opts)
     rescue  Exception => e
-      self.log_error(e, "Problem ")
+      self.log_error(e, "Problem reporting vuln")
     end
   end