diff -r b6b00bb1e528 -r 5de859b95988 cubicweb/server/session.py
--- a/cubicweb/server/session.py	Wed Mar 09 14:11:47 2016 +0100
+++ b/cubicweb/server/session.py	Thu Jun 12 15:54:44 2014 +0200
@@ -1017,7 +1017,15 @@
         self.closed = False
 
     def close(self):
+        if self.closed:
+            self.warning('closing already closed session %s', self.sessionid)
+            return
+        with self.new_cnx() as cnx:
+            self.repo.hm.call_hooks('session_close', cnx)
+            cnx.commit()
+            del self.repo._sessions[self.sessionid]
         self.closed = True
+        self.info('closed session %s for user %s', self.sessionid, self.user.login)
 
     def __enter__(self):
         return self