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
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https://bugs.launchpad.net/bugs/1767890
Title:
java can't connect to https sites
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