Hi,JDK-8164639 removed NSS libs from repo, so sun/security/tools/keytool/autotest.sh has to download NSS libs from artifactory on macosx.
This patch also refactors this shell test to a Java test.
Webrev: http://cr.openjdk.java.net/~jjiang/8209546/webrev.00/ Issue: https://bugs.openjdk.java.net/browse/JDK-8209546 Best regards, John Jiang
