diff --git a/senlin_dashboard/cluster/clusters/forms.py b/senlin_dashboard/cluster/clusters/forms.py
index 7ef625dc..fde657e2 100644
--- a/senlin_dashboard/cluster/clusters/forms.py
+++ b/senlin_dashboard/cluster/clusters/forms.py
@@ -87,10 +87,10 @@ class CreateForm(forms.SelfHandlingForm):
             msg = _('Creating cluster "%s" successfully') % data['name']
             messages.success(request, msg)
             return cluster
-        except Exception:
+        except Exception as e:
             redirect = reverse(INDEX_URL)
             exceptions.handle(request,
-                              _("Unable to create cluster."),
+                              _("Unable to create cluster: %s") % e,
                               redirect=redirect)
 
 
@@ -125,8 +125,8 @@ class ManagePoliciesForm(forms.SelfHandlingForm):
                                        "cluster": data['cluster_id']}
             messages.success(request, msg)
             return attach
-        except Exception:
+        except Exception as e:
             redirect = reverse(INDEX_URL)
             exceptions.handle(request,
-                              _("Unable to attach policy."),
+                              _("Unable to attach policy: %s") % e,
                               redirect=redirect)
diff --git a/senlin_dashboard/cluster/clusters/views.py b/senlin_dashboard/cluster/clusters/views.py
index 0d3e4172..7339d0ba 100644
--- a/senlin_dashboard/cluster/clusters/views.py
+++ b/senlin_dashboard/cluster/clusters/views.py
@@ -57,10 +57,10 @@ class IndexView(tables.DataTableView):
                 paginate=True,
                 reversed_order=reversed_order,
                 filters=filters)
-        except Exception:
+        except Exception as e:
             self._prev = self._more = False
             clusters = []
-            msg = _('Unable to retrieve clusters.')
+            msg = _('Unable to retrieve clusters: %s') % e
             exceptions.handle(self.request, msg)
         return clusters
 
@@ -91,8 +91,8 @@ class DetailView(tabs.TabView):
             cluster = senlin.cluster_get(self.request, cluster_id)
             cluster.profile_url = reverse_lazy(self.profile_url,
                                                args=[cluster.profile_id])
-        except Exception:
-            msg = _("Unable to retrieve cluster.")
+        except Exception as e:
+            msg = _("Unable to retrieve cluster: %s") % e
             url = reverse_lazy(clusters_forms.INDEX_URL)
             exceptions.handle(self.request, msg, redirect=url)
         return cluster
diff --git a/senlin_dashboard/cluster/nodes/forms.py b/senlin_dashboard/cluster/nodes/forms.py
index c3f94d01..9605cf3e 100644
--- a/senlin_dashboard/cluster/nodes/forms.py
+++ b/senlin_dashboard/cluster/nodes/forms.py
@@ -86,10 +86,10 @@ class CreateForm(forms.SelfHandlingForm):
             msg = _('Creating node "%s" successfully') % data['name']
             messages.info(request, msg)
             return node
-        except Exception:
+        except Exception as e:
             redirect = reverse("horizon:cluster:nodes:index")
             exceptions.handle(request,
-                              _("Unable to create node."),
+                              _("Unable to create node: %s") % e,
                               redirect=redirect)
 
 
@@ -133,9 +133,9 @@ class UpdateNodeForm(forms.SelfHandlingForm):
                   ' has been accepted for processing.') %
                 data['name'])
             return node
-        except Exception:
+        except Exception as e:
             redirect = reverse("horizon:cluster:nodes:index")
             exceptions.handle(request,
-                              _("Unable to update node."),
+                              _("Unable to update node: %s") % e,
                               redirect=redirect)
             return False
diff --git a/senlin_dashboard/cluster/nodes/views.py b/senlin_dashboard/cluster/nodes/views.py
index 990d1d7f..4a65b073 100644
--- a/senlin_dashboard/cluster/nodes/views.py
+++ b/senlin_dashboard/cluster/nodes/views.py
@@ -57,10 +57,10 @@ class IndexView(tables.DataTableView):
                 paginate=True,
                 reversed_order=reversed_order,
                 filters=filters)
-        except Exception:
+        except Exception as e:
             self._prev = self._more = False
             nodes = []
-            msg = _('Unable to retrieve nodes.')
+            msg = _('Unable to retrieve nodes: %s') % e
             exceptions.handle(self.request, msg)
         return nodes
 
@@ -90,8 +90,8 @@ class DetailView(tabs.TabView):
             # Get initial node information
             node_id = self.kwargs["node_id"]
             node = senlin.node_get(self.request, node_id)
-        except Exception:
-            msg = _("Unable to retrieve node.")
+        except Exception as e:
+            msg = _("Unable to retrieve node: %s") % e
             url = reverse_lazy("horizon:cluster:nodes:index")
             exceptions.handle(self.request, msg, redirect=url)
         return node
@@ -145,8 +145,8 @@ class UpdateView(forms.ModalFormView):
                          "role": node.role,
                          "metadata": metadata}
 
-        except Exception:
-            msg = _("Unable to retrieve node.")
+        except Exception as e:
+            msg = _("Unable to retrieve node: %s") % e
             url = reverse_lazy("horizon:cluster:nodes:index")
             exceptions.handle(self.request, msg, redirect=url)
         return node_dict
diff --git a/senlin_dashboard/cluster/policies/forms.py b/senlin_dashboard/cluster/policies/forms.py
index 760af83d..505b29f4 100644
--- a/senlin_dashboard/cluster/policies/forms.py
+++ b/senlin_dashboard/cluster/policies/forms.py
@@ -91,9 +91,9 @@ class CreatePolicyForm(forms.SelfHandlingForm):
                              _('Your policy %s has been created.') %
                              args['name'])
             return policy
-        except Exception:
+        except Exception as e:
             redirect = reverse(INDEX_URL)
-            msg = _('Unable to create new policy')
+            msg = _('Unable to create new policy: %s') % e
             exceptions.handle(request, msg, redirect=redirect)
             return False
 
@@ -114,8 +114,8 @@ class UpdatePolicyForm(forms.SelfHandlingForm):
         except ValidationError as e:
             self.api_error(e.messages[0])
             return False
-        except Exception:
+        except Exception as e:
             redirect = reverse(INDEX_URL)
-            msg = _('Unable to update policy')
+            msg = _('Unable to update policy: %s') % e
             exceptions.handle(request, msg, redirect=redirect)
             return False
diff --git a/senlin_dashboard/cluster/policies/views.py b/senlin_dashboard/cluster/policies/views.py
index 01c31652..c8c6f6a2 100644
--- a/senlin_dashboard/cluster/policies/views.py
+++ b/senlin_dashboard/cluster/policies/views.py
@@ -57,10 +57,10 @@ class IndexView(tables.DataTableView):
                 paginate=True,
                 reversed_order=reversed_order,
                 filters=filters)
-        except Exception:
+        except Exception as e:
             self._prev = self._more = False
             policies = []
-            msg = _('Unable to retrieve policies.')
+            msg = _('Unable to retrieve policies: %s') % e
             exceptions.handle(self.request, msg)
         return policies
 
@@ -90,8 +90,8 @@ class DetailView(tabs.TabView):
             policy = senlin.policy_get(self.request, policy_id)
             policy.policy_spec = yaml.safe_dump(policy.spec,
                                                 default_flow_style=False)
-        except Exception:
-            msg = _("Unable to retrieve policy.")
+        except Exception as e:
+            msg = _("Unable to retrieve policy: %s") % e
             url = reverse_lazy(policies_forms.INDEX_URL)
             exceptions.handle(self.request, msg, redirect=url)
         return policy
@@ -129,8 +129,8 @@ class UpdateView(forms.ModalFormView):
             policy = senlin.policy_get(self.request, policy_id)
             policy_dict = {"policy_id": policy_id,
                            "name": policy.name}
-        except Exception:
-            msg = _("Unable to retrieve policy.")
+        except Exception as e:
+            msg = _("Unable to retrieve policy: %s") % e
             url = reverse_lazy(policies_forms.INDEX_URL)
             exceptions.handle(self.request, msg, redirect=url)
         return policy_dict
diff --git a/senlin_dashboard/cluster/receivers/forms.py b/senlin_dashboard/cluster/receivers/forms.py
index 2e79bcf6..9bbdd8a4 100644
--- a/senlin_dashboard/cluster/receivers/forms.py
+++ b/senlin_dashboard/cluster/receivers/forms.py
@@ -96,8 +96,8 @@ class CreateReceiverForm(forms.SelfHandlingForm):
                 _('Your receiver %s has been created successfully.') %
                 data['name'])
             return receiver
-        except Exception:
+        except Exception as e:
             redirect = reverse(INDEX_URL)
-            msg = _('Unable to create new receiver')
+            msg = _('Unable to create new receiver: %s') % e
             exceptions.handle(request, msg, redirect=redirect)
             return False
diff --git a/senlin_dashboard/cluster/receivers/views.py b/senlin_dashboard/cluster/receivers/views.py
index 5b606e25..54344fcc 100644
--- a/senlin_dashboard/cluster/receivers/views.py
+++ b/senlin_dashboard/cluster/receivers/views.py
@@ -55,10 +55,10 @@ class IndexView(tables.DataTableView):
                 paginate=True,
                 reversed_order=reversed_order,
                 filters=filters)
-        except Exception:
+        except Exception as e:
             self._prev = self._more = False
             receivers = []
-            msg = _('Unable to retrieve receivers.')
+            msg = _('Unable to retrieve receivers: %s') % e
             exceptions.handle(self.request, msg)
         return receivers
 
@@ -87,8 +87,8 @@ class DetailView(tabs.TabView):
             # Get initial receiver information
             receiver_id = self.kwargs["receiver_id"]
             receiver = senlin.receiver_get(self.request, receiver_id)
-        except Exception:
-            msg = _("Unable to retrieve receiver.")
+        except Exception as e:
+            msg = _("Unable to retrieve receiver: %s") % e
             url = reverse_lazy("horizon:cluster:receivers:index")
             exceptions.handle(self.request, msg, redirect=url)
         return receiver