VRO web UI not working : 404 Error or service unavailable

Products

• VCF Operations/Automation (formerly VMware Aria Suite)

Issue/Introduction

Symptoms:

• Unable to get VRO web UI working
• UI keeps loading and says "404 error or service unavailable".
• See below error at /var/log/services-logs/prelude/vco-app/file-logs/vco-server-app.log:

com.vmware.vcac.platform.rest.client.support.RetriableOperation$RetriableException: Retriable operation failed after the maximum number of attempts - [3]
at com.vmware.vcac.platform.rest.client.support.RetriableOperation.call(RetriableOperation.java:100)
 at
Caused by: org.springframework.web.client.HttpClientErrorException$BadRequest: 400 Bad Request
       at org.springframework.web.client.HttpClientErrorException.create(HttpClientErrorException.java:79)--

 

Environment

VMware vRealize Orchestrator 8.x

Resolution

• There is a workaround. 

Workaround:

• There is a workaround: 

 

1. Login to the control center interface with the root user:

https://<OrchestratorFQDN>/vco-controlcenter

2. Navigate to Configure Authentication provider
3. Unregister the authentication provider and then register it again for VRO from control center.

4. Verify in vRO Control Center that after successful authentication registration, the vCenter certificate is correctly imported.