ERROR: SSLHandshakeException: sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target. Solução 1: URL url = new URL(“https://exemplo1”); HttpsURLConnection conn1 = (HttpsURLConnection) url.openConnection(); conn1.setHostnameVerifier(new HostnameVerifier() { public boolean verify(String hostname, SSLSession session) { return true; } }); Solução 2: