When IARisk is not installed, swagger is still looking for it and fails with an exception.
Swagger pod log snippet:
[10:00:18,053] [INFO] [https-jsse-nio-8087-exec-36] [SwaggerService] [Swagger] added swagger for https://<testserver-ssp-factor.svc>:<Port>/v3/api-docs
org.springframework.web.client.ResourceAccessException: I/O error on GET request for https://<testserver-ssp-iarisk.svc>:<Port>/v3/api-docs: <testserver-ssp-iarisk.svc>
at org.springframework.web.client.RestTemplate.createResourceAccessException(RestTemplate.java:890)
at org.springframework.web.client.RestTemplate.doExecute(RestTemplate.java:870)
at org.springframework.web.client.RestTemplate.execute(RestTemplate.java:765)
VIP Authentication Hub 3.1
This issue is fixed in 3.2 GA release which is already available. See the Release Notes.