Use more consistent language in exception logs.

diff --git a/tornado/concurrent.py b/tornado/concurrent.py
index 4b0a7804e826d928db3aa4d178b1828ee904ffcf..4fdc4b28514d09b492d800f7184bfe67f4e30bdc 100644 (file)
--- a/tornado/concurrent.py
+++ b/tornado/concurrent.py
@@ -291,7 +291,7 @@ class Future(object):
             try:
                 cb(self)
             except Exception:
-                app_log.exception('exception calling callback %r for %r',
+                app_log.exception('Exception in callback %r for %r',
                                   cb, self)
         self._callbacks = None