https - Getting java.security.cert.CertificateException, however the certificate is imported into the truststore -


i receive a

java.security.cert.certificateexception: no subject alternative names present

exception, i've imported certificate trusrstore. here setup:

i'm using small https server based on com.sun.net.httpserver.httpsserver. i've create keystore self signed certificate: 

keytool -genkey -keyalg rsa -alias mycert -keystore keystore.jks -storepass mypass -validity 360 -keysize 2048

i'm passing path , password keystore vm arguments djavax.net.ssl.keystore=/tmp/truststore.jks djavax.net.ssl.keystorepassword=mypass

if run openssl s_client -connect 192.168.1.101:4443 can see uses right certificate.

to trust certificate on client site, i've exported certificate server keystore , imported client truststore:

  keytool -export -alias mycert -file mycert.crt -keystore keystore.jks   keytool -import -trustcacerts -alias -file mycert.crt -keystore truststore.jks

for client use small test program using jersey. i'm passing path truststore vm argument -djavax.net.ssl.truststore=/tmp/truststore.jks 

public class tester {     public static void main(string[] args) {          client client = clientbuilder.newclient();         try {             string name = client.target("https://192.168.1.101:4443")                     .request(mediatype.text_plain)                     .get(string.class);              system.out.println(name);         } catch (final exception e) {             system.err.println(e);         }     } }

but self signed certificate in truststore, the

  java.security.cert.certificateexception: no subject alternative names present exception

what can reason it?

the https certificate should contain subjectaltname extension value should ip address (192.168.1.101 in case) or dns name of host.


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