2 files changed, 4 insertions, 5 deletions
diff --git a/actionwebservice/lib/action_web_service/dispatcher/abstract.rb b/actionwebservice/lib/action_web_service/dispatcher/abstract.rb
index 4c184fb140..69c3b9de3b 100644
--- a/actionwebservice/lib/action_web_service/dispatcher/abstract.rb
+++ b/actionwebservice/lib/action_web_service/dispatcher/abstract.rb
@@ -76,10 +76,7 @@ module ActionWebService # :nodoc:
             invocation.api = self.class.web_service_api
             invocation.service = self
           when :delegated, :layered
-            invocation.service = web_service_object(invocation.service_name) rescue nil
-            unless invocation.service
-              raise(DispatcherError, "service #{invocation.service_name} not available")
-            end
+            invocation.service = web_service_object(invocation.service_name)
             invocation.api = invocation.service.class.web_service_api
           end
           request.api = invocation.api
diff --git a/actionwebservice/lib/action_web_service/dispatcher/action_controller_dispatcher.rb b/actionwebservice/lib/action_web_service/dispatcher/action_controller_dispatcher.rb
index 8a2b1d1c7d..3c9a6e2c78 100644
--- a/actionwebservice/lib/action_web_service/dispatcher/action_controller_dispatcher.rb
+++ b/actionwebservice/lib/action_web_service/dispatcher/action_controller_dispatcher.rb
@@ -89,10 +89,12 @@ module ActionWebService # :nodoc:
             else
               if self.class.web_service_exception_reporting
                 message = exception.message
+                backtrace = "\nBacktrace:\n#{exception.backtrace.join("\n")}"
               else
                 message = "Exception raised"
+                backtrace = ""
               end
-              render_text("Internal protocol error: #{message}", "500 #{message}")
+              render_text("Internal protocol error: #{message}#{backtrace}", "500 #{message}")
             end
           end