ActionGroup problem in JBuilder 4

[Zoltan . Szaniszlo]

Hello,

My name is Zoltan Szaniszlo. I'm a new user of Swarm and Java.

I wanted to make my first Actions in my program. I tried to follow the
JHeatbugs illustrative program's source-code.

"public Object buildActions() {
    super.buildActions();
    modelActions = new ActionGroupImpl(getZone());
    try {
      SwarmMachine g = (SwarmMachine) machineList.get(0);
      Selector sel = new Selector(g.getClass(),"Checking",false);
      actionForMachines =
      modelActions.createFActionForEachHomogeneous$call(machineList,
      new FCallImpl (getZone(),g,sel,new FArgumentsImpl (getZone
(),sel,true)));
    } catch (Exception e){...."

When I rebuild the program, there wasn't any compiler error, but when I run
the program, it is teminated with this message:
"/src/Swarm/swarm/src/defobj/directory.m:507 swarm_directory_objc_remove
0 [sig] javaw 1007 stackdump: Dumping stack trace to javaw.exe.stackdump"

I debugged the program, and I saw the error occurs in this command:
actionForMachines
=modelActions.createFActionForEachHomogeneous$call(machineList,
      new FCallImpl (getZone(),g,sel,new FArgumentsImpl (getZone
(),sel,true)));

Then I wanted to run the JHeatbugs program so as to check, if it works
well. Unfortunately I got the same error message.

If sombody knows what the problem is, please help me!

Thank you.

Best regards

Zoltán Szaniszló
M.Sc. (Eng.), Researcher, Ph.D. Student
Institute of Production Engineering
Tampere University of Technology
P.O. Box 589, 33101 Tampere, Finland
Phone: +358-(0)3-365-3276
Mobile phone: +358-(0)40-750-1353
Fax: +358-(0)3-365-2753
Email: address@hidden


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