Aria Operations Plugin Installation Fails in Case of Linked vCenters

Products

• VMware vCenter Server

Issue/Introduction

Symptoms:
Aria Operations plugin installation fails in case of linked vCenters. The following error message may appear on recent Tasks while installing Aria Operation from vSphere "VMware Aria Operations Configuration" page.

"Cannot complete the operation. See the event log for details. Deployment of the solution OVA failed. Check the other related tasks for more information."

You may see an error similar to below in the vCenter logs:

[2024-03-19T15:36:59.525Z] [ERROR] plugin-solution-install1     70001165 100071 200016 c.v.v.plugin.extension.install.impl.SolutionInstallServiceImpl    Failed to install solution with context [solutionId=com.vmware.vrops.manager, pluginId=com.vmware.vrops.ui, vcGuids=xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx, deployTaskId=urn:vmomi:Task:task-xxx:xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx] java.lang.NullPointerException: null

Environment

VMware vCenter Server 8.0.0
VMware Aria Operations 8.x

Resolution

To resolve the issue, try to perform a restart of the vSphere UI service:

1. SSH to the vCenter appliance with root user
2. Run command: vmon-cli -r vsphere-ui
3. Try the installation again from the vSphere "VMware Aria Operations Configuration" page

Workaround:
The workaround is to restart the vSphere UI service

Additional Information

Impact/Risks:
The vSphere Client will be restarted, any users currently using the vSphere Client will not have access to it. The restart should be relatively fast, around one minute.