在通过java程序拜访https服务经常常会遇到下面的异常 Caused by: sun.security.validator.Va lidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target 在通过java程序拜访https服务经常常会遇到下面的异常 Caused by: su