Display exception information in log message as it is lost otherwise.

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@19082 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/CMFActivity/ActivityTool.py

@@ -248,7 +248,7 @@ Exception: %s %s
     try:
       activity_tool.MailHost.send( mail_text )
     except (socket.error, MailHostError), message:
-      LOG('ActivityTool.notifyUser', WARNING, 'Mail containing failure information failed to be sent: %s' % (message, ))
+      LOG('ActivityTool.notifyUser', WARNING, 'Mail containing failure information failed to be sent: %s. Exception was: %s %s\n%s' % (message, self.exc_type, self.exc_value, self.traceback))
 
   def reactivate(self, activity_tool):
     # Reactivate the original object.