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November 2004

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Sender:
ECJ Evolutionary Computation Toolkit <[log in to unmask]>
Subject:
From:
Anjali Samani <[log in to unmask]>
Date:
Tue, 9 Nov 2004 04:54:09 -0500
Comments:
Reply-To:
ECJ Evolutionary Computation Toolkit <[log in to unmask]>
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text/plain (41 lines)
Hi,

I have set up a gp problem in a very similar way to the examples in the
package.  The individual pieces of code compile without errors.  When I try
to run the code I get the following error:

=============================================
Threads:  breed/1 eval/1
Seed: 4357
Setting up
Processing GP Types
Processing GP Node Constraints
Processing GP Function Sets
Exception in thread "main" ec.util.ParamClassLoadException:
Class not found: ec.app.automation.func.X
PARAMETER: gp.fs.0.func.0
EXCEPTION:

java.lang.ClassNotFoundException: ec.app.automation.func.X
        at ec.util.ParameterDatabase.getInstanceForParameter
(ParameterDatabase.j
ava:172)
        at ec.gp.GPFunctionSet.setup(GPFunctionSet.java:284)
        at ec.gp.GPFunctionSet.setupFunctionSets(GPFunctionSet.java:142)
        at ec.gp.GPInitializer.setup(GPInitializer.java:61)
        at ec.EvolutionState.setup(EvolutionState.java:324)
        at ec.simple.SimpleEvolutionState.run(SimpleEvolutionState.java:63)
        at ec.Evolve.main(Evolve.java:424)

==============================================

The folder ('automation') containing the problem and the functions is
stored in ec\app\.  X is a terminal function located in
ec\app\automation\func.  I believe that the parameter class X is not being
found, but am not sure why.

Any help on the matter would be great.

Thanks a lot,
anjali

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