Index: openacs-4/packages/acs-tcl/tcl/request-processor-procs.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/acs-tcl/tcl/request-processor-procs.tcl,v
diff -u -r1.126 -r1.127
--- openacs-4/packages/acs-tcl/tcl/request-processor-procs.tcl	12 Dec 2017 10:30:04 -0000	1.126
+++ openacs-4/packages/acs-tcl/tcl/request-processor-procs.tcl	17 Dec 2017 21:20:25 -0000	1.127
@@ -1200,8 +1200,15 @@
             ds_init
             $handler
         } trap {AD EXCEPTION ad_script_abort} {r} {
+            #
             # swallow script_aborts silently
+            #
+            #ns_log notice "rp_serve_concrete_file: swallow ad_script_abort"
         } on error {errMsg} {
+            #
+            # raise true exception
+            #
+            #ns_log notice "rp_serve_concrete_file: on error $errMsg"
             ds_add rp [list serve_file [list $file $handler] $startclicks [clock clicks -microseconds] \
                            error "$::errorCode: $::errorInfo"]
             return -code error -errorcode $::errorCode -errorinfo $::errorInfo $errMsg