Queues not displayed in process monitoring since AWI 24.4.1 with Tomcat

Products

• CA Automic Workload Automation - Automation Engine

Issue/Introduction

The Queues and the widget queue monitor cannot be displayed in AWI / AE 24.4.1 using Tomcat.

In process monitor, the left pannel "show queue" Client "all" remains Loading without displaying the whole list of queues and an awi popup error appears with text: 

An unexpected error occurred. Further details are available in the logfiles.

And on the dashboard, widget queue monitor the content is not displayed and the following error message appears:

Queue data could not be retrieved. 

Expected behavior: same as with jetty awi, the queue information should be displayed with no errors
Actual behavior: in AWI 24.4.1 with Tomcat the queue information generates an error and is not displayed 

Environment

Automic Automation 24.4.1 + AWI 24.4.1 + Tomcat 9 or 10

Cause

DE172881

Resolution

Workaround:

In the example above, deleting the queue that pointed to a clients that did not exist anymore solve the issue

Solution:

Update to a fix version listed below or a newer version if available.

Fix version:
Component(s): Automic Web Interface (AWI)
Automation.Engine 24.4.2 - Planned release October 2025

Additional Information

Public Description: A problem has been fixed that prevented monitoring Queues properly.