From the conversation with Steve Northover from javafx this will not be fixed in java 7. In the worst case we will check the java version and after that load webkits in appropriate order.

Engines switcher in BrowserSim does not work on java7u51 -------------------------------------------------------- Key: JBIDE-16405 URL: https://issues.jboss.org/browse/JBIDE-16405 Project: Tools (JBoss Tools) Issue Type: Bug Components: browsersim Affects Versions: 4.2.0.Alpha1 Environment: Windows 7, java7u51 Reporter: Konstantin Marmalyukov Assignee: Konstantin Marmalyukov Priority: Critical Fix For: 4.2.0.Alpha2 java.lang.UnsatisfiedLinkError: C:\Program Files (x86)\Java\jdk1.7.0_51\jre\bin\jfxwebkit.dll: Can't find dependent libraries Upstream issue: https://javafx-jira.kenai.com/browse/RT-35480