Public bug reported: After installing 18.04 and default-jdk, which provides java/javac 1.10.1, Java applications are unable to connect to https sites. This can be reproduced with a simple Java program:
sam@sam-desktop:~$ cat <<EOF >HttpsTester.java > import java.net.URL; > import javax.net.ssl.HttpsURLConnection; > > public class HttpsTester { > public static void main(String[] args) { > try { > HttpsURLConnection connection = (HttpsURLConnection) new > URL("https://www.ubuntu.com").openConnection(); > System.out.println("Response code: " + > connection.getResponseCode()); > System.out.println("It worked!"); > } catch (Exception e) { > System.out.println(e.getMessage()); > } > } > } > EOF sam@sam-desktop:~$ javac HttpsTester.java sam@sam-desktop:~$ java HttpsTester java.lang.RuntimeException: Unexpected error: java.security.InvalidAlgorithmParameterException: the trustAnchors parameter must be non-empty This seems to be due to a misconfigured keystore in /etc/ssl/certs/java/cacerts. If I use the keystore which is bundled in Oracle's JRE, then the certificate check during connection succeeds: sam@sam-desktop:~$ tar -zxf jre-10.0.1_linux-x64_bin.tar.gz sam@sam-desktop:~$ java -Djavax.net.ssl.trustStore=jre-10.0.1/lib/security/cacerts HttpsTester Response code: 200 I'm not sure if this is somehow related to 1406483, but I've tried recreating my keystore (using 'sudo update-ca-certificates -f' and 'sudo apt-get install --reinstall ca-certificates-java') without success. My keystore is not empty, but contains a different set of keys to Oracle's one: sam@sam-desktop:~$ keytool -list -keystore /etc/ssl/certs/java/cacerts -storepass changeit | grep 'Your keystore contains' Warning: use -cacerts option to access cacerts keystore Your keystore contains 134 entries sam@sam-desktop:~$ keytool -list -keystore jre-10.0.1/lib/security/cacerts -storepass changeit | grep 'Your keystore contains' Your keystore contains 104 entries ** Affects: ca-certificates-java (Ubuntu) Importance: Undecided Status: New -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1767890 Title: java can't connect to https sites To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ca-certificates-java/+bug/1767890/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs