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I have tested it with ecj20, since I know that there are some changes ongoing 
in SVN lately on coevolve. Maybe the things Rob mentioned (thanks Rob) can 
be also vital for the changes and updates on master/slave in SVN. 
Also master / slave coevolve2 example as far as I see has been changed..

Nikola 


On Fri, 4 Feb 2011 12:28:06 -0500, Sean Luke <[log in to unmask]> wrote:

>Nikola, line 267 of MasterProblem.java is a nonsensical error in the
>current version of ECJ on SVN.  And running your example on SVN I get
>no errors.  Can you tell me what version of the software you're using?
>
>Sean
>
>On Feb 4, 2011, at 12:10 PM, Nikola N. wrote:
>
>> Hello, I have tried to start the example master / slave: coevolve1,
>> run
>> single computer.
>>
>> I have set the following lines in the coevolve1.master.params  and
>> coevolve1.slave.params:
>>
>> verbosity = 0
>> eval.compression = false
>>
>> However I experienced problems by starting the coevolve1 master/
>> slave. Here
>> is the printout:
>> - Master response:
>>
>> Threads:  breed/1 eval/1
>> Seed: -241285081
>> Job: 0
>> Setting up
>> Initializing Generation 0
>> Slave /127.0.0.1/1296838850404 connected successfully.
>> Slave(/127.0.0.1/1296838850404) Slave is shutting down....
>>
>>
>> - Slave response:
>> ...
>> reading next problem
>> Read problem: 2
>> Exception in thread "MainThread: " java.lang.NullPointerException
>>        at ec.eval.MasterProblem.evaluate(MasterProblem.java:267)
>>        at ec.eval.Slave.evaluateGroupedProblemForm(Slave.java:639)
>>        at ec.eval.Slave.main(Slave.java:457)
>>
>>
>> - Also since there are going to be some changes around coevolve
>> stuff, are
>> there any changes also planned to be added to the master/slave ?
>>
>>
>> Nikola