[erp5_web_renderjs_ui] Handle Progress Event error.

bt5/erp5_web_renderjs_ui/PathTemplateItem/web_page_module/rjs_gadget_erp5_launcher_js.js

 /*globals window, document, RSVP, rJS,
-          URI, location, XMLHttpRequest, console, navigator*/
+          URI, location, XMLHttpRequest, console, navigator, ProgressEvent*/
 /*jslint indent: 2, maxlen: 80*/
 (function (window, document, RSVP, rJS,
-           XMLHttpRequest, location, console, navigator) {
+           XMLHttpRequest, location, console, navigator, ProgressEvent) {
   "use strict";
 
   var MAIN_SCOPE = "m";
@@ -133,6 +133,9 @@
     // Display it to the user for now,
     // and allow user to go back to the frontpage
     var error_text = "";
+    if (error instanceof ProgressEvent) {
+      error = error.target.error;
+    }
 
     if (error.target instanceof XMLHttpRequest) {
       error_text = error.target.toString() + " " +
@@ -647,4 +650,4 @@
     });
 
 }(window, document, RSVP, rJS,
-  XMLHttpRequest, location, console, navigator));
+  XMLHttpRequest, location, console, navigator, ProgressEvent));
\ No newline at end of file

bt5/erp5_web_renderjs_ui/PathTemplateItem/web_page_module/rjs_gadget_erp5_launcher_js.xml

@@ -230,7 +230,7 @@
             </item>
             <item>
                 <key> <string>serial</string> </key>
-                <value> <string>964.44144.54943.18056</string> </value>
+                <value> <string>964.44401.33443.35072</string> </value>
             </item>
             <item>
                 <key> <string>state</string> </key>
@@ -248,7 +248,7 @@
                     </tuple>
                     <state>
                       <tuple>
-                        <float>1515401365.21</float>
+                        <float>1516619185.21</float>
                         <string>UTC</string>
                       </tuple>
                     </state>