Fix for bug 1433 additional checks for kafka readiness

Change-Id: I5e4c712c35089c6b41c0eaf102e577af7ac5502b
Signed-off-by: palsus <subhankar.pal@aricent.com>
diff --git a/osm_mon/cmd/mon_evaluator.py b/osm_mon/cmd/mon_evaluator.py
index 72a1012..cc36d99 100644
--- a/osm_mon/cmd/mon_evaluator.py
+++ b/osm_mon/cmd/mon_evaluator.py
@@ -27,7 +27,7 @@
 
 from osm_mon.core.config import Config
 from osm_mon.evaluator.evaluator import Evaluator
-from osm_mon.cmd.common_functions import wait_till_core_services_are_ready
+from osm_mon.cmd.mon_utils import wait_till_core_services_are_ready
 
 
 def main():
@@ -49,8 +49,12 @@
         log.info("Starting MON Evaluator...")
         log.debug("Config: %s", cfg.conf)
         log.info("Initializing database...")
-        evaluator = Evaluator(cfg)
-        evaluator.evaluate_forever()
+        try:
+            evaluator = Evaluator(cfg)
+            evaluator.evaluate_forever()
+        except Exception as e:
+            log.error("Failed to start MON Evaluator")
+            log.debug("Exception: %s", str(e))
     else:
         log.error("Failed to start MON Evaluator")