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December 2007

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ECJ Evolutionary Computation Toolkit <[log in to unmask]>
Date:
Sun, 2 Dec 2007 10:01:29 -0500
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ECJ Evolutionary Computation Toolkit <[log in to unmask]>
Subject:
From:
Gabriel Catalin Balan <[log in to unmask]>
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To: ECJ Evolutionary Computation Toolkit <[log in to unmask]>
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My bad, we moved it from sourceforge to java.net
(https://ecj.dev.java.net/).


sorry about the wild goose chase.
Gabriel

On Sat, 1 Dec 2007, Michael B Sullivan wrote:

> I've downloaded a copy off of the anonymous CVS, but it fails to compile (using javac, anyway)... are there any intermediate releases available that would work for me without digging through the code?
>
> Mike
>
>
>
> ----- Original Message -----
> From: Gabriel Catalin Balan <[log in to unmask]>
> Date: Saturday, December 1, 2007 10:21 am
> Subject: Re: Problem with ECJ Configuration?
>
> > I'm running some sort of newer version of ECJ 16 (off the
> > http://sourceforge.net/ CVS repository)
> >
> > | Date: April 7, 2006
> > | Current Java: 1.4.2_12 / Java HotSpot(TM) Client VM-1.4.2-70
> >
> > I turned on print-params (print-params=true) and I the closest
> > thing I see
> > to pop.subpop.0.species.fitness is:
> >
> > pop.subpop.0.fitness = ec.simple.SimpleFitness
> >
> > Plus, your exception is thrown from
> > ec.Species.setup(Species.java:228),and my Species.java has only 188
> > lines.
> > You're saying you're trying ECJ for the first time, so I'm guessing
> > youhaven't play with the code.
> >
> > The only fix I see is to update/upgrade ecj
> > (http://sourceforge.net/projects/ecj/).
> >
> >
> > Gabriel
> >
> > On Fri, 30 Nov 2007, Michael B Sullivan wrote:
> >
> > > Hi All,
> > >
> > > I'm sorry to waste anybody's time with a basic question, but I'm
> > trying out ECJ16 for the first time today, and I've had trouble
> > getting the tutorials to execute successfully.  The errors I get
> > appear to be similar to ones that came up in an unresolved issue
> > from 2006:
> > >
> > > https://listserv.gmu.edu/cgi-bin/wa?A2=ind0609&L=ECJ-INTEREST-
> > L&P=R187&I=-3
> > >
> > > Tutorial #1 runs to completion, so something is working.
> > However, running tutorial2, tutorial3 or tutorial4 results in the
> > following error:
> > >
> > > 	lfm@lfm-x61:~/install/ecj/ec/app/tutorial2$ java ec.Evolve -file
> > tutorial2.params>
> > > 	| ECJ
> > > 	| An evolutionary computation system (version 16)
> > > 	| By Sean Luke
> > > 	| Contributors: L. Panait, G. Balan, S. Paus, Z. Skolicki, R.
> > Kicinger,> 	|               J. Harrison, J. Bassett, R. Hubley, A.
> > Desai, and A. Chircop
> > > 	| URL: http://cs.gmu.edu/~eclab/projects/ecj/
> > > 	| Mail: [log in to unmask]
> > > 	|       (better: join ECJ-INTEREST at URL above)
> > > 	| Date: March 20 2007
> > > 	| Current Java: 1.6.0 / Java HotSpot(TM) Server VM-1.6.0-b105
> > > 	| Required Minimum Java: 1.3
> > >
> > >
> > > 	Threads:  breed/1 eval/1
> > > 	Seed: 4357
> > > 	Job: 0
> > > 	Setting up
> > > 	Initializing Generation 0
> > > 	Exception in thread "main" ec.util.ParamClassLoadException:
> > > 	No class name provided.
> > > 	PARAMETER: pop.subpop.0.species.fitness
> > >                 at
> > ec.util.ParameterDatabase.getInstanceForParameter(ParameterDatabase.java:421)>                 at ec.Species.setup(Species.java:228)
> > >                 at
> > ec.vector.VectorSpecies.setup(VectorSpecies.java:146)>
> >   at
> > ec.vector.IntegerVectorSpecies.setup(IntegerVectorSpecies.java:178)>                 at ec.Subpopulation.setup(Subpopulation.java:132)
> > >                 at ec.Population.setup(Population.java:105)
> > >                 at
> > ec.simple.SimpleInitializer.initialPopulation(SimpleInitializer.java:46)>                 at ec.simple.SimpleEvolutionState.startFresh(SimpleEvolutionState.java:54)
> > >                 at ec.EvolutionState.run(EvolutionState.java:376)
> > >                 at ec.Evolve.main(Evolve.java:595)
> > >
> > > I've tried using full pathnames of the parameter files to no
> > avail.  I've also tried Java 1.4.2 (gcj) which resulted in the same
> > error.  My CLASSPATH is configured to include the ecj main folder:
> > >
> > > 	lfm@lfm-x61:~/install/ecj/ec/app/tutorial2$ echo $CLASSPATH
> > > 	/home/lfm/install/ecj/
> > >
> > > The problem is most likely with my configuration, but being
> > unfamiliar with ECJ, I'm not sure where I should proceed from here.
> > Has anybody had any experience with this error since it last arose?
> > >
> > > Thanks!
> > > Mike
> > >
> >
>

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