Index: openacs-4/packages/acs-tcl/tcl/apm-xml-procs.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/acs-tcl/tcl/apm-xml-procs.tcl,v
diff -u -r1.31.2.3 -r1.31.2.4
--- openacs-4/packages/acs-tcl/tcl/apm-xml-procs.tcl	18 Sep 2015 07:33:48 -0000	1.31.2.3
+++ openacs-4/packages/acs-tcl/tcl/apm-xml-procs.tcl	5 Jan 2016 17:24:43 -0000	1.31.2.4
@@ -23,10 +23,9 @@
 }
 
 ad_proc -private apm_attribute_value {
-    {
-	-default ""
-    }
-    element attribute } {
+    {-default ""}
+    element attribute
+} {
 
     Parses the XML element to return the value for the specified attribute.
 
@@ -238,7 +237,11 @@
     set xml_data [read $file]
     close $file
 
-    set tree [xml_parse -persist $xml_data]
+    if {[catch {set tree [xml_parse -persist $xml_data]} errorMsg]} {
+        ns_log error "parsing XML file $path lead to error: $errorMsg"
+        return -code error "file: $path\n$errorMsg"
+    }
+
     set root_node [xml_doc_get_first_node $tree]
     apm_log APMDebug "XML: root node is [xml_node_get_name $root_node]"
     set package $root_node