Resolving javax.net.ssl.SSLHandshakeException: sun.security.validator.ValidatorException: PKIX path building failed Error?

Question

Edit :- Tried to format the question and accepted answer in more presentable way at mine Blog

Here is the original issue.

Answer 1

Just a small hack. Update the URL in the file "hudson.model.UpdateCenter.xml" from https to http

  
    default
    http://updates.jenkins.io/update-center.json