Openshift jenkins plugin throwing x509 error

Issue

• OpenShift Jenkins plugins throwing x509 error

• However, when we use OpenShift api or oc client, it works fine.

• Logs from the Jenkins pods contains following messages.

Caught: hudson.AbortException: tag returned an error;
{reference={}, err=Unable to connect to the server: x509: certificate signed by unknown authority
, verb=tag, cmd=oc --server=https://xxx.xxx.xxx:443 --certificate-authority=/var/run/secrets/kubernetes.io/serviceaccount/ca.crt --namespace=prod-ifttt --token=XXXXX tag itt-ifttt/ifttt-sms:1.0.0 uat-ifttt/ifttt-sms:latest , out=, status=1}