Jenkins is an open source automation server written in Java. Jenkins helps to automate the non-human part of the software development process, with continuous integration and facilitating technical aspects of continuous delivery.
Sometimes we may face the following error in Jenkins on using the git pluggin.
403 No valid crumb was included in the request
This can be fixed by tweaking the secutiry configuration of Jenkins.
Step1: Head over to Manage Jenkins
Step2: Select Configure global security
Step3: Uncheck "Prevent Cross Site Request Forgery exploits"