[vassalengine] VASSAL 3.0b1 bugreport w/ VASL 5.6

[countermancx]

Hi troops, I'm passing this along from a user at the GameSquad VASL 
forum, quote:

can't use VASL 5.6 with VASSAL 3.0b1, board directory couldn't be 
found.
errorlog:
-- OS Windows XP
-- Java version 1.6.0_01
-- VASSAL version 3.0b1
[VASL.build.module.map.ASLBoardPicker: null]
java.lang.VerifyError: (class: VASL/build/module/map/ASLBoardPicker, 
method: getBoard signature: (Ljava/lang/String;)
LVASSAL/build/module/map/boardPicker/Board;) Incompatible argument to 
function
        at java.lang.Class.getDeclaredConstructors0(Native Method)
        at java.lang.Class.privateGetDeclaredConstructors(Unknown 
Source)
        at java.lang.Class.getConstructor0(Unknown Source)
        at java.lang.Class.newInstance0(Unknown Source)
        at java.lang.Class.newInstance(Unknown Source)
        at VASSAL.build.Builder.create(Unknown Source)
        at VASSAL.build.Builder.build(Unknown Source)
        at VASSAL.build.AbstractBuildable.build(Unknown Source)
        at VASSAL.build.module.Map.build(Unknown Source)
        at VASSAL.build.Builder.create(Unknown Source)
        at VASSAL.build.Builder.build(Unknown Source)
        at VASSAL.build.AbstractBuildable.build(Unknown Source)
        at VASSAL.launch.BasicModule.build(BasicModule.java:104)
        at VASSAL.launch.BasicModule.build(BasicModule.java:72)
        at VASSAL.build.GameModule.init(Unknown Source)
        at VASSAL.launch.Main.loadModule(Main.java:474)
        at VASSAL.launch.Main$Frame$2.actionPerformed(Main.java:569)
        at javax.swing.AbstractButton.fireActionPerformed(Unknown 
Source)
        at javax.swing.AbstractButton$Handler.actionPerformed(Unknown 
Source)
        at javax.swing.DefaultButtonModel.fireActionPerformed(Unknown 
Source)
        at javax.swing.DefaultButtonModel.setPressed(Unknown Source)
        at javax.swing.plaf.basic.BasicButtonListener.mouseReleased
(Unknown Source)
        at java.awt.Component.processMouseEvent(Unknown Source)
        at javax.swing.JComponent.processMouseEvent(Unknown Source)
        at java.awt.Component.processEvent(Unknown Source)
        at java.awt.Container.processEvent(Unknown Source)
        at java.awt.Component.dispatchEventImpl(Unknown Source)
        at java.awt.Container.dispatchEventImpl(Unknown Source)
        at java.awt.Component.dispatchEvent(Unknown Source)
        at java.awt.LightweightDispatcher.retargetMouseEvent(Unknown 
Source)
        at java.awt.LightweightDispatcher.processMouseEvent(Unknown 
Source)
        at java.awt.LightweightDispatcher.dispatchEvent(Unknown 
Source)
        at java.awt.Container.dispatchEventImpl(Unknown Source)
        at java.awt.Window.dispatchEventImpl(Unknown Source)
        at java.awt.Component.dispatchEvent(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)
-- VASL version 5.6
Extension 5SMC v5.2 loaded 
Extension VASL4 v5.5 loaded 
java.lang.NullPointerException
        at CASL.VASL.VASLThread.initCaslMap(Unknown Source)
        at CASL.VASL.VASLThread$2.doFirst(Unknown Source)
        at VASSAL.tools.BackgroundTask$2.run(Unknown Source)
        at java.lang.Thread.run(Unknown Source)
Extension VASL4_ext1 v5.0 loaded 
Extension VASL4_ext2 v5.0.1 loaded

end quote.

IIRC, VASL's boardpicker code is specific to VASL, so it's not 
surprising that 3.0b1 isn't coping w/ it.