На xubuntu 11.10 и ibm-java-70 при старте получаю

~/soft/rojac-r666/bin$ ./rojac.sh 
22:07:32,787: [WARN ] LAFValueChecker - L&F Office2003 (org.fife.plaf.Office2003.Office2003LookAndFeel) is not supported.
Exception in thread "main" java.lang.ExceptionInInitializerError
    at java.lang.J9VMInternals.initialize(J9VMInternals.java:255)
    at org.xblackcat.rojac.RojacLauncher.launch(RojacLauncher.java:48)
    at org.xblackcat.rojac.RojacLauncher.main(RojacLauncher.java:36)
Caused by: java.lang.NullPointerException
    at net.sourceforge.napkinlaf.NapkinLookAndFeel.<init>(NapkinLookAndFeel.java:96)
    at java.lang.J9VMInternals.newInstanceImpl(Native Method)
    at java.lang.Class.newInstance(Class.java:1375)
    at org.xblackcat.utils.ResourceUtils.loadObjectOrEnum(ResourceUtils.java:190)
    at org.xblackcat.rojac.service.options.LAFValueChecker.<init>(LAFValueChecker.java:66)
    at org.xblackcat.rojac.service.options.Property.<clinit>(Property.java:39)
    at java.lang.J9VMInternals.initializeImpl(Native Method)
    at java.lang.J9VMInternals.initialize(J9VMInternals.java:233)
    ... 2 more

Как указать другой LAF