cas 报错 No subject alternative names present
今天在做学习cas时
在登录cas时没有问题，一旦登录之后返回的时候就报了如下错误：
javax.servlet.ServletException: javax.net.ssl.SSLHandshakeException: java.security.cert.CertificateException: No subject alternative names present
edu.yale.its.tp.cas.client.filter.CASFilter.getAuthenticatedUser(CASFilter.java:254)
edu.yale.its.tp.cas.client.filter.CASFilter.doFilter(CASFilter.java:184)
javax.net.ssl.SSLHandshakeException: java.security.cert.CertificateException: No subject alternative names present
com.sun.net.ssl.internal.ssl.Alerts.getSSLException(Alerts.java:174)
com.sun.net.ssl.internal.ssl.SSLSocketImpl.fatal(SSLSocketImpl.java:1649)
com.sun.net.ssl.internal.ssl.Handshaker.fatalSE(Handshaker.java:241)
com.sun.net.ssl.internal.ssl.Handshaker.fatalSE(Handshaker.java:235)
com.sun.net.ssl.internal.ssl.ClientHandshaker.serverCertificate(ClientHandshaker.java:1206)
com.sun.net.ssl.internal.ssl.ClientHandshaker.processMessage(ClientHandshaker.java:136)
com.sun.net.ssl.internal.ssl.Handshaker.processLoop(Handshaker.java:593)
com.sun.net.ssl.internal.ssl.Handshaker.process_record(Handshaker.java:529)
com.sun.net.ssl.internal.ssl.SSLSocketImpl.readRecord(SSLSocketImpl.java:893)
com.sun.net.ssl.internal.ssl.SSLSocketImpl.performInitialHandshake(SSLSocketImpl.java:1138)
com.sun.net.ssl.internal.ssl.SSLSocketImpl.startHandshake(SSLSocketImpl.java:1165)
com.sun.net.ssl.internal.ssl.SSLSocketImpl.startHandshake(SSLSocketImpl.java:1149)
sun.net.www.protocol.https.HttpsClient.afterConnect(HttpsClient.java:434)
sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.connect(AbstractDelegateHttpsURLConnection.java:166)
sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:1177)
sun.net.www.protocol.https.HttpsURLConnectionImpl.getInputStream(HttpsURLConnectionImpl.java:234)
edu.yale.its.tp.cas.util.SecureURL.retrieve(SecureURL.java:70)
edu.yale.its.tp.cas.client.ServiceTicketValidator.validate(ServiceTicketValidator.java:212)
edu.yale.its.tp.cas.client.filter.CASFilter.getAuthenticatedUser(CASFilter.java:219)
edu.yale.its.tp.cas.client.filter.CASFilter.doFilter(CASFilter.java:184)
java.security.cert.CertificateException: No subject alternative names present
sun.security.util.HostnameChecker.matchIP(HostnameChecker.java:142)
sun.security.util.HostnameChecker.match(HostnameChecker.java:75)
com.sun.net.ssl.internal.ssl.X509TrustManagerImpl.checkIdentity(X509TrustManagerImpl.java:264)
com.sun.net.ssl.internal.ssl.X509TrustManagerImpl.checkServerTrusted(X509TrustManagerImpl.java:250)
com.sun.net.ssl.internal.ssl.ClientHandshaker.serverCertificate(ClientHandshaker.java:1185)
com.sun.net.ssl.internal.ssl.ClientHandshaker.processMessage(ClientHandshaker.java:136)
com.sun.net.ssl.internal.ssl.Handshaker.processLoop(Handshaker.java:593)
com.sun.net.ssl.internal.ssl.Handshaker.process_record(Handshaker.java:529)
com.sun.net.ssl.internal.ssl.SSLSocketImpl.readRecord(SSLSocketImpl.java:893)
com.sun.net.ssl.internal.ssl.SSLSocketImpl.performInitialHandshake(SSLSocketImpl.java:1138)
com.sun.net.ssl.internal.ssl.SSLSocketImpl.startHandshake(SSLSocketImpl.java:1165)
com.sun.net.ssl.internal.ssl.SSLSocketImpl.startHandshake(SSLSocketImpl.java:1149)
sun.net.www.protocol.https.HttpsClient.afterConnect(HttpsClient.java:434)
sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.connect(AbstractDelegateHttpsURLConnection.java:166)
sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:1177)
sun.net.www.protocol.https.HttpsURLConnectionImpl.getInputStream(HttpsURLConnectionImpl.java:234)
edu.yale.its.tp.cas.util.SecureURL.retrieve(SecureURL.java:70)
edu.yale.its.tp.cas.client.ServiceTicketValidator.validate(ServiceTicketValidator.java:212)
edu.yale.its.tp.cas.client.filter.CASFilter.getAuthenticatedUser(CASFilter.java:219)
edu.yale.its.tp.cas.client.filter.CASFilter.doFilter(CASFilter.java:184)
请赐教，到底是哪错了。
另外：在配置tomcat的https时。访问https://127.0.0.1:8443
IE总是报证书错误。不知道是不是与这有关
[解决办法]
没搞过CAS。。。
