UI is intermittently switching back to previous UI, continuously loading or causing black screens after Upgrading to Aria Operations 8.18

Products

• VMware Aria Suite
• VMware Aria Operations 8.x

Issue/Introduction

After upgrading to Aria Operations 8.18, users experience intermittent UI problems, including random switching to the previous version UI, black screens, and inconsistent loading state. 

Environment

Aria Operations 8.18 

Cause

Post upgrading Aria operations to 8.18, A special character in the state object is causing JSON file corruption in Aria Operations state management, leading to the observed UI issues.

Resolution

This issue is resolved in Aria operations 8.18 HF2. VMware Aria Operations 8.18 Hot Fix 2

Workaround:

1. Log in to all nodes as the root user.
2. Navigate to the directory: /usr/lib/vmware-vcops/tomcat-web-app/webapps/ui/pages
3. Open the commonJS.jsp file and locate line 1874.
4. Find and replace the following line:

      stateProvider = new Ext.state.SessionProvider({state: Ext.decode(response.responseText), pageKey: pageKey});

        with

      stateProvider = new Ext.state.SessionProvider({state: Ext.decode(response.responseText.replaceAll('\\', '')), pageKey: pageKey});

     5. Save the file and repeat the modification on all nodes.