use the MqttTwoWayTlsSample.java following error

[encourage52]

i use the MqttTwoWayTlsSample.java and emqx owner ca in directory ： etc/certs ， but the following error occurred。
when i use the mqtt.fx tool ,is ok
the emqx version is 5.0.26。
Caused by: java.security.cert.CertificateException: No subject alternative names present
at sun.security.util.HostnameChecker.matchIP(HostnameChecker.java:150)
at sun.security.util.HostnameChecker.match(HostnameChecker.java:99)
at sun.security.ssl.X509TrustManagerImpl.checkIdentity(X509TrustManagerImpl.java:441)
at sun.security.ssl.X509TrustManagerImpl.checkIdentity(X509TrustManagerImpl.java:409)
at sun.security.ssl.X509TrustManagerImpl.checkTrusted(X509TrustManagerImpl.java:228)
at sun.security.ssl.X509TrustManagerImpl.checkServerTrusted(X509TrustManagerImpl.java:128)
at sun.security.ssl.CertificateMessage$T12CertificateConsumer.checkServerCerts(CertificateMessage.java:636)

[Zhiw]

Hi, please check the Subject Alternative Name

$ openssl x509 -in cert.pem -noout -ext subjectAltName

X509v3 Subject Alternative Name: 
    IP Address:127.0.0.1

the name must match the IP or DNS of your address