Index: openacs-4/packages/notifications/tcl/sweep-procs.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/notifications/tcl/sweep-procs.tcl,v
diff -u -r1.22 -r1.23
--- openacs-4/packages/notifications/tcl/sweep-procs.tcl	27 Jun 2007 18:54:48 -0000	1.22
+++ openacs-4/packages/notifications/tcl/sweep-procs.tcl	31 Mar 2010 20:35:27 -0000	1.23
@@ -17,6 +17,11 @@
         # Also sweep the dynamic notification requests that have been sent out
         db_dml delete_dynamic_requests {}
 
+	# before the killing starts, remove invalid requests
+	foreach request_id [db_list select_invalid_request_ids {}] {
+	    notification::request::delete -request_id $request_id
+	}
+
         # Get the list of the ones to kill
         set notification_id_list [db_list select_notification_ids {}]