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Support Article

Connection Failed error observed during log off

SA-10399

Summary



'Connection Failed' error generated during log off. This occurs intermittently. 

Error Messages



Connection Failed

Steps to Reproduce



Log off to observe the error.

Root Cause



The root cause of this problem is a defect in customer application code/rules. 

The logoff link is an old URL gadget calling the activity Code-Security.Logoff directly. This allows the pyDeleteDocumentPG activity to run between the Code-Security.Logoff and Code-Security.EndSession activities resulting in the error.



Resolution



This issue is resolved through the following Local-change.

In Pega 7.1.7 exists a code that suppresses the pyDeleteDocumentPG activity if/when logoff from the UI level has been called.

Rule-File-Text: webwb.pega_ui_doc_lifecycle.js 

harnessOnBeforeUnload : function (event)
....
       /* BUG-109795 - Added by Delta Touch*/
        var parentWindow = pega.desktop.support.getDesktopWindow();
        if (parentWindow != null && parentWindow.logout == true) {
            return;
        }
...


Update "Logoff" to use a UI Link gadget with a onClick action of "Logoff". This properly calls "application.Logoff()" and sets the parentWindow.logout = true. The above code then runs and exists the harnessOnBeforeUnload method before the pyDeleteDocumentPG call. 
Suggest Edit

Published June 12, 2015 - Updated October 8, 2020

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