--- loncom/lti/ltiutils.pm	2022/01/03 18:35:27	1.17.2.1
+++ loncom/lti/ltiutils.pm	2022/01/20 00:35:00	1.17.2.2
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # Utility functions for managing LON-CAPA LTI interactions 
 #
-# $Id: ltiutils.pm,v 1.17.2.1 2022/01/03 18:35:27 raeburn Exp $
+# $Id: ltiutils.pm,v 1.17.2.2 2022/01/20 00:35:00 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -31,6 +31,8 @@ package LONCAPA::ltiutils;
 use strict;
 use Net::OAuth;
 use Digest::SHA;
+use Digest::MD5 qw(md5_hex);
+use LWP::UserAgent(); 
 use Apache::lonnet;
 use Apache::loncommon;
 use LONCAPA qw(:DEFAULT :match);
@@ -287,9 +289,12 @@ sub setup_logout_callback {
             );
             my $post = &sign_params($service_url,$ckey,$secret,\%ltiparams,
                                     '','','',1);
+
+            my $ua=new LWP::UserAgent;
+            $ua->timeout(10);
             my $request=new HTTP::Request('POST',$service_url);
             $request->content($post);
-            my $response = &LONCAPA::LWPReq::makerequest('',$request,'','',10);
+            my $response=$ua->request($request); 
         }
     }
     return;