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December 2007

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ECJ Evolutionary Computation Toolkit <[log in to unmask]>
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Sun, 2 Dec 2007 13:36:37 -0500
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ECJ Evolutionary Computation Toolkit <[log in to unmask]>
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Michael B Sullivan <[log in to unmask]>
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I've requested the role of an observer on the project, such that I'll be able to check the code out via CVS.  Is there any way to anonymously check out the code right now?  Anonymous access is always a plus, in my mind.

Mike

----- Original Message -----
From: Gabriel Catalin Balan <[log in to unmask]>
Date: Sunday, December 2, 2007 10:01 am
Subject: Re: Problem with ECJ Configuration?

> 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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