javax.net.ssl.SSLHandshakeException: sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target

This means that the web server or URL you are connecting to does not have a valid certificate from an authorized CA.

To fix this:

      Import the server certificate and install it in your JRE Keystore.

How to get the Certificate:

       Logon to the URL using browser (IE)

       When you notice the warning dialog box, save the certificate to your local directory as .cer file

How to add to KeyStore: (Java keytool is a command-line utility to manage certificates)

       keytool –import

How to delete the Certificate in KeyStore:

       keytool –delete     

What is the default KeyStore Password:

       Changeit

How to list all the certificates in your keystore:

       Keytool -list