Java: Ignore/Trust an invalid SSL cert for https communication

Very Once a while you will need your Java app to talk to a pre prod server (Web Service) over https, but you face the issue is that SSL is not a valid/expired/self signed cert...  You may get an error that looks likeorg.springframework.web.client.ResourceAccessException: I/O error: sun.security.validator.ValidatorException: PKIX path building failed: