Running install.jar crreated from izpack gives me no such method exception
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Built an install.jar using Izpack 5.0.0-beta10 and compiler.bat

When I try and run it using java -jar install.jar I get

    Exception in thread "AWT-EventQueue-0" java.lang.NoSuchMethodError: com.izforge.izpack.util.file.FileUtils.close(Ljava/io/Closeable;)V
            at com.izforge.izpack.installer.container.impl.EventFiller.readObject(EventFiller.java:154)
            at com.izforge.izpack.installer.container.impl.EventFiller.loadCustomData(EventFiller.java:62)
            at com.izforge.izpack.installer.container.impl.InstallerContainer.fillContainer(InstallerContainer.java:98)
            at com.izforge.izpack.core.container.AbstractContainer.initBindings(AbstractContainer.java:25)
            at com.izforge.izpack.installer.bootstrap.InstallerGui$1.run(InstallerGui.java:47)
            at java.awt.event.InvocationEvent.dispatch(Unknown Source)
            at java.awt.EventQueue.dispatchEventImpl(Unknown Source)
            at java.awt.EventQueue.access$000(Unknown Source)
            at java.awt.EventQueue$3.run(Unknown Source)
            at java.awt.EventQueue$3.run(Unknown Source)
            at java.security.AccessController.doPrivileged(Native Method)
            at java.security.ProtectionDomain$1.doIntersectionPrivilege(Unknown Source)
            at java.awt.EventQueue.dispatchEvent(Unknown Source)
            at java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source)
            at java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)
            at java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)
            at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
            at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
            at java.awt.EventDispatchThread.run(Unknown Source)

This on Windows I have JAVA_HOME set to Java 7 jdk, and typing java -version from the command prompt also gives me Java 7