Symptoms
An error is encountered when attempting to access your server at
https://www.yourstore.com/gcCallback.aspx -- the error is:
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
Cause
This is caused by using an SSL certificate that Google does not accept.
Solution