Index: openacs-4/packages/xotcl-request-monitor/www/index.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/xotcl-request-monitor/www/index.tcl,v
diff -u -r1.31.2.2 -r1.31.2.3
--- openacs-4/packages/xotcl-request-monitor/www/index.tcl	30 Apr 2019 18:50:52 -0000	1.31.2.2
+++ openacs-4/packages/xotcl-request-monitor/www/index.tcl	16 Jun 2019 18:51:08 -0000	1.31.2.3
@@ -385,7 +385,7 @@
 
 set running_requests [throttle running]
 set running [expr {[llength $running_requests]/2}]
-if {![catch {ns_conn contentsentlength}]} {
+if {![catch {ns_conn contentsentlength}] && [nsv_array names ::xotcl::THREAD ::bgdelivery] ne ""} {
   set background_requests [bgdelivery running]
   set background  [expr {[llength $background_requests]/2}]
   append running /$background
Index: openacs-4/packages/xotcl-request-monitor/www/running.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/xotcl-request-monitor/www/running.tcl,v
diff -u -r1.10 -r1.10.2.1
--- openacs-4/packages/xotcl-request-monitor/www/running.tcl	27 Jun 2018 16:26:34 -0000	1.10
+++ openacs-4/packages/xotcl-request-monitor/www/running.tcl	16 Jun 2019 18:51:08 -0000	1.10.2.1
@@ -19,7 +19,7 @@
 }
 
 set running_requests [throttle running]
-if {[info commands bgdelivery] ne ""} {
+if {[info commands bgdelivery] ne "" && [nsv_array names ::xotcl::THREAD ::bgdelivery] ne ""} {
   set background_requests [bgdelivery running]
 } else {
   set background_requests [list]