Fix for Bug 1433 Exception handling in aioread method

Change-Id: I39e2c888798dd518a9ad71e3cbd41be9241dd579
Signed-off-by: palsus <subhankar.pal@aricent.com>
diff --git a/osm_mon/cmd/mon_collector.py b/osm_mon/cmd/mon_collector.py
index d0330d4..8732269 100644
--- a/osm_mon/cmd/mon_collector.py
+++ b/osm_mon/cmd/mon_collector.py
@@ -54,7 +54,7 @@
             collector.collect_forever()
         except Exception as e:
             log.error("Failed to start MON Collector")
-            log.debug("Exception: %s", str(e))
+            log.exception("Exception: %s", str(e))
     else:
         log.error("Failed to start MON Collector")