diff --git a/platypush/message/request/__init__.py b/platypush/message/request/__init__.py
index 174a91fd..6bf4aa18 100644
--- a/platypush/message/request/__init__.py
+++ b/platypush/message/request/__init__.py
@@ -215,12 +215,15 @@ class Request(Message):
                                 format(plugin, self.action, str(response)))
             except Exception as e:
                 # Retry mechanism
+                plugin.logger.exception(e)
                 logger.warning(('Uncaught exception while processing response ' +
                                 'from action {}.{}: {}').format(
                                     plugin, self.action, str(e)))
 
                 errors = errors or []
-                errors.append(str(e))
+                if str(e) not in errors:
+                    errors.append(str(e))
+
                 response = Response(output=None, errors=errors)
                 if n_tries-1 > 0:
                     logger.info('Reloading plugin {} and retrying'.format(module_name))
diff --git a/platypush/plugins/__init__.py b/platypush/plugins/__init__.py
index 22c7f03c..c6addb3f 100644
--- a/platypush/plugins/__init__.py
+++ b/platypush/plugins/__init__.py
@@ -14,23 +14,17 @@ def action(f):
         output = None
         errors = []
 
-        try:
-            output = f(*args, **kwargs)
-            if output and isinstance(output, Response):
-                errors = output.errors \
-                    if isinstance(output.errors, list) else [output.errors]
-                output = output.output
-            elif isinstance(output, tuple) and len(output) == 2:
-                errors = output[1] \
-                    if isinstance(output[1], list) else [output[1]]
+        output = f(*args, **kwargs)
+        if output and isinstance(output, Response):
+            errors = output.errors \
+                if isinstance(output.errors, list) else [output.errors]
+            output = output.output
+        elif isinstance(output, tuple) and len(output) == 2:
+            errors = output[1] \
+                if isinstance(output[1], list) else [output[1]]
 
-                if len(errors) == 1 and errors[0] is None: errors = []
-                output = output[0]
-        except Exception as e:
-            if isinstance(args[0], Plugin):
-                args[0].logger.exception(e)
-            raise e
-            # errors.append(str(e) + '\n' + traceback.format_exc())
+            if len(errors) == 1 and errors[0] is None: errors = []
+            output = output[0]
 
         return Response(output=output, errors=errors)