From 3579a3e37c5caf0e524ece6bfd939d1b49b4f331 Mon Sep 17 00:00:00 2001
From: Isaku Yamahata <yamahata@valinux.co.jp>
Date: Mon, 20 Aug 2012 11:05:33 +0900
Subject: [PATCH] controller: print backtrace when exception in addition to
 stacktrace

This is useful when debugging. it's difficult to debug without
backtrace.

Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp>
Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
---
 ryu/controller/controller.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/ryu/controller/controller.py b/ryu/controller/controller.py
index 8f06c1e2..a2f98b18 100644
--- a/ryu/controller/controller.py
+++ b/ryu/controller/controller.py
@@ -68,7 +68,7 @@ def _deactivate(method):
         except greenlet.GreenletExit:
             pass
         except:
-            traceback.print_stack()
+            traceback.print_exc()
             raise
         finally:
             self.is_active = False