Rancher 2.0 pipeline dial tcp getsockopt: connection refused

Has anyone ever encountered this error and have a solution to why this happens while trying to build/publish an image using Rancher CI Pipeline? It keeps failing.

Get http://10.43.55.138:8080/crumbIssuer/api/xml?xpath=concat(//crumbRequestField,":",//crumb): dial tcp 10.43.55.138:8080: getsockopt: connection refused

Error get Jenkins engine - Get http://10.43.55.138:8080/crumbIssuer/api/xml?xpath=concat(//crumbRequestField,":",//crumb): dial tcp 10.43.55.138:8080: getsockopt: connection refused