diff --git a/eureka/client.py b/eureka/client.py
index 13c3271..e112a4e 100644
--- a/eureka/client.py
+++ b/eureka/client.py
@@ -3,7 +3,7 @@
 from urllib2 import URLError
 from urlparse import urljoin
 from eureka import requests
-import ec2metadata
+from eureka import ec2metadata
 import logging
 import dns.resolver
 from eureka.requests import EurekaHTTPException
@@ -142,11 +142,13 @@ def register(self, initial_status="STARTING"):
                 'secureVipAddr': self.secure_vip_address or '',
                 'status': initial_status,
                 'port': self.port,
-                'securePort': self.secure_port,
                 'dataCenterInfo': data_center_info
             }
         }
+        if self.secure_port: # or Eureka POST call crashes if no secure port
+            instance_data['instance']['securePort'] = self.secure_port
         success = False
+        last_e = None
         for eureka_url in self.eureka_urls:
             try:
                 r = requests.post(urljoin(eureka_url, "apps/%s" % self.app_name), json.dumps(instance_data),
@@ -155,12 +157,13 @@ def register(self, initial_status="STARTING"):
                 success = True
                 break
             except (EurekaHTTPException, URLError) as e:
-                pass
+                last_e = e
         if not success:
-            raise EurekaRegistrationFailedException("Did not receive correct reply from any instances")
+            raise EurekaRegistrationFailedException("Did not receive correct reply from any instances, last error: " + str(e))
 
     def update_status(self, new_status):
         success = False
+        last_e = None
         for eureka_url in self.eureka_urls:
             try:
                 r = requests.put(urljoin(eureka_url, "apps/%s/%s/status?value=%s" % (
@@ -172,9 +175,9 @@ def update_status(self, new_status):
                 success = True
                 break
             except (EurekaHTTPException, URLError) as e:
-                pass
+                last_e = e
         if not success:
-            raise EurekaUpdateFailedException("Did not receive correct reply from any instances")
+            raise EurekaUpdateFailedException("Did not receive correct reply from any instances, last error: " + str(e))
 
     def heartbeat(self):
         instance_id = self.host_name
@@ -220,4 +223,3 @@ def get_instance(self, instance_id):
 
     def get_app_instance(self, app_id, instance_id):
         return self._get_from_any_instance("apps/%s/%s" % (app_id, instance_id))
-