Support Article
Pega Busy indicator stuck on in repeat grid add
SA-24517
Summary
When the user is attempting to access a web application from an external network, a screen action which causes a refresh of a section containing a checkbox results in a busy indicator which never goes away. The browser becomes inoperative, and must be closed.
Error Messages
"TypeError: cannot read property "id" of undefined...."
Steps to Reproduce
- Create a grid with a checkbox in it
- Trigger a refresh
Root Cause
A defect in Pegasystems’ code or rules. The section being refreshed has a checkbox in it. Occasionally, the Javascript (JS) file pzpega_control_checkbox.js, required for that checkbox, reloads during the section refresh. A race condition ensues which causes script execution before everything finishes loading. This results in a JS error, with the resulting nonstop busy indicator.
If you examine the actions taking place by using Fiddler, you will observe that the script pzpega_control_checkbox.js is being downloaded during the refresh. This download of the script must be taking place to confirm that it is the problem being described in this Support Article.
Resolution
Apply HFix-27353.
Published June 27, 2016 - Updated October 8, 2020
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