javax.net.ssl.SSLHandshakeException: No name matching localhost found at java.base/sun.security.ssl.Alert.createSSLException(Alert.java:131) at java.base/sun.security.ssl.TransportContext.fatal(TransportContext.java:371) at java.base/sun.security.ssl.TransportContext.fatal(TransportContext.java:314) at java.base/sun.security.ssl.TransportContext.fatal(TransportContext.java:309) at java.base/sun.security.ssl.CertificateMessage$T13CertificateConsumer.checkServerCerts(CertificateMessage.java:1351) at java.base/sun.security.ssl.CertificateMessage$T13CertificateConsumer.onConsumeCertificate(CertificateMessage.java:1226) at java.base/sun.security.ssl.CertificateMessage$T13CertificateConsumer.consume(CertificateMessage.java:1169) at java.base/sun.security.ssl.SSLHandshake.consume(SSLHandshake.java:396) at java.base/sun.security.ssl.HandshakeContext.dispatch(HandshakeContext.java:480) at java.base/sun.security.ssl.HandshakeContext.dispatch(HandshakeContext.java:458) at java.base/sun.security.ssl.TransportContext.dispatch(TransportContext.java:201) at java.base/sun.security.ssl.SSLTransport.decode(SSLTransport.java:172) at java.base/sun.security.ssl.SSLSocketImpl.decode(SSLSocketImpl.java:1500) at java.base/sun.security.ssl.SSLSocketImpl.readHandshakeRecord(SSLSocketImpl.java:1415) at java.base/sun.security.ssl.SSLSocketImpl.startHandshake(SSLSocketImpl.java:450) at java.base/sun.security.ssl.SSLSocketImpl.startHandshake(SSLSocketImpl.java:421) at java.base/sun.net.www.protocol.https.HttpsClient.afterConnect(HttpsClient.java:578) at java.base/sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.connect(AbstractDelegateHttpsURLConnection.java:183) at java.base/sun.net.www.protocol.https.HttpsURLConnectionImpl.connect(HttpsURLConnectionImpl.java:142) at code.Helper.sendMessageToCloudapp(Helper.java:173) at code.StartHandler.handle(StartHandler.java:57) at jdk.httpserver/com.sun.net.httpserver.Filter$Chain.doFilter(Filter.java:98) at jdk.httpserver/sun.net.httpserver.AuthFilter.doFilter(AuthFilter.java:82) at jdk.httpserver/com.sun.net.httpserver.Filter$Chain.doFilter(Filter.java:101) at jdk.httpserver/sun.net.httpserver.ServerImpl$Exchange$LinkHandler.handle(ServerImpl.java:736) at jdk.httpserver/com.sun.net.httpserver.Filter$Chain.doFilter(Filter.java:98) at jdk.httpserver/sun.net.httpserver.ServerImpl$Exchange.run(ServerImpl.java:701) at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136) at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635) at java.base/java.lang.Thread.run(Thread.java:833) Caused by: java.security.cert.CertificateException: No name matching localhost found at java.base/sun.security.util.HostnameChecker.matchDNS(HostnameChecker.java:234) at java.base/sun.security.util.HostnameChecker.match(HostnameChecker.java:103) at java.base/sun.security.ssl.X509TrustManagerImpl.checkIdentity(X509TrustManagerImpl.java:452) at java.base/sun.security.ssl.X509TrustManagerImpl.checkIdentity(X509TrustManagerImpl.java:426) at java.base/sun.security.ssl.X509TrustManagerImpl.checkTrusted(X509TrustManagerImpl.java:238) at java.base/sun.security.ssl.X509TrustManagerImpl.checkServerTrusted(X509TrustManagerImpl.java:132) at java.base/sun.security.ssl.CertificateMessage$T13CertificateConsumer.checkServerCerts(CertificateMessage.java:1335)