Intermittent error with VMware Identity Manager (vIDM) 404 continues after opensearch index rebuild

Products

• VCF Operations/Automation (formerly VMware Aria Suite)

Issue/Introduction

• Unable to login to the vIDM intermittently with AD
• The error below appears when the login fails
  • "The page you were looking is not available. You may need to contact your administrator with this error. 404 Page Not Found."

Environment

VMware Identity Manager 3.3.7

Cause

The temp folder contains the wrong permission.

• Command: ls -lrth /db
• Result: drwxr-xr-x  2 root    root      4.0K Feb  x xx:xx temp

Resolution

1. SSH to vIDM nodes with root
2. Check the temp folder permission by running: 
   • Command: ls -lrth /db
   • Result: drwxr-xr-x  2 root    root      4.0K Feb  x xx:xx temp
3. Run command to change the permission: 
   • Command: chwon -R horizon:www /db/temp
   • Result: drwxr-xr-x  2 horizon    www      4.0K Feb  x xx:xx temp
4. Restart the horizon service on the modified nodes:
   • service horizon-workspace restart