TMSS-2869: logging, try/except.

SAS/TMSS/backend/services/scheduling/lib/dynamic_scheduling.py

@@ -299,8 +299,11 @@ class Scheduler:
         scheduled_units = sorted(scheduled_units, key=lambda su: su.scheduled_start_time)
         for scheduled_unit in list(scheduled_units):
             self._raise_if_triggered()
+            try:
                 scheduled_B_units = self.schedule_B_priority_units_in_gaps_around_scheduling_unit(scheduled_unit)
                 scheduled_units.extend(scheduled_B_units)
+            except Exception as e:
+                logger.exception(e)
 
         # return all scheduled (fixedtime and B-prio) units
         return scheduled_units