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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 17:07:56 -0500
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ECJ Evolutionary Computation Toolkit <[log in to unmask]>
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Sean Luke <[log in to unmask]>
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Michael, we generally don't have observers on the ECJ repository:  
anyone can check out code on CVS regardless of role (or should be  
able to!)

Sean

On Dec 2, 2007, at 1:36 PM, Michael B Sullivan wrote:

> 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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