PRE-REQUISITS
Make sure your Jenkins URL set correctly in Manage Jenkins > Configure System.
Make sure your Jenkins URL accessible over public Internet.
curl -v -XGET https://jenkins-host
telnet jenkins-host 443
STEP-1
Generate Jenkins API Token. Refer Jenkins API Token
Note.
Skip this step If you plan to use URL based token authentication i.e. Trigger builds remotely Option in Job Configuration.
Required Jenkins API Token If CSRF Protection is enabled in Configure Global Security.
STEP-2
Go to Apps Menu > Jenkins Connector > Click Update to Add new Jenkins Server Configuration.
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Note.
Set CSRF Crumb Issue to TRUE if your Jenkins master is enabled CSRF Protection in Configure Global Security.
Jenkins Username and API token is Optional.
If Jenkins master has read access to everyone
If CSRF Protection is not enabled
NEXT STEPS
DEBUG
Go to Browser Developer Tools > Console log