Hi, The issue here was jimage extract was taking too long, exploding the modules onto certain slow filesystems, thus causing test timeouts. Now using jrtfs to zipfs, it takes a small fraction of that time. Please review: http://cr.openjdk.java.net/~ksrini/8152622/webrev.00/ Fix for: https://bugs.openjdk.java.net/browse/JDK-8152622 Thanks Kumar