diff --git a/watcher/applier/actions/base.py b/watcher/applier/actions/base.py
index ef1a5c094..6252c1ebc 100644
--- a/watcher/applier/actions/base.py
+++ b/watcher/applier/actions/base.py
@@ -131,11 +131,8 @@ class BaseAction(loadable.Loadable):
         raise NotImplementedError()
 
     def validate_parameters(self):
-        try:
-            jsonschema.validate(self.input_parameters, self.schema)
-            return True
-        except jsonschema.ValidationError as e:
-            raise e
+        jsonschema.validate(self.input_parameters, self.schema)
+        return True
 
     @abc.abstractmethod
     def get_description(self):
diff --git a/watcher/applier/actions/volume_migration.py b/watcher/applier/actions/volume_migration.py
index 6752e7e3c..1319f7f5e 100644
--- a/watcher/applier/actions/volume_migration.py
+++ b/watcher/applier/actions/volume_migration.py
@@ -109,11 +109,8 @@ class VolumeMigrate(base.BaseAction):
         }
 
     def validate_parameters(self):
-        try:
-            jsonschema.validate(self.input_parameters, self.schema)
-            return True
-        except jsonschema.ValidationError as e:
-            raise e
+        jsonschema.validate(self.input_parameters, self.schema)
+        return True
 
     @property
     def volume_id(self):
diff --git a/watcher/decision_engine/goal/efficacy/indicators.py b/watcher/decision_engine/goal/efficacy/indicators.py
index 713291cfa..a5870a825 100644
--- a/watcher/decision_engine/goal/efficacy/indicators.py
+++ b/watcher/decision_engine/goal/efficacy/indicators.py
@@ -59,7 +59,7 @@ class IndicatorSpecification(object):
             jsonschema.validate(value, cls.schema)
         except (SchemaError, ValidationError) as exc:
             LOG.exception(exc)
-            raise exc
+            raise
         except Exception as exc:
             LOG.exception(exc)
             raise exception.InvalidIndicatorValue(