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The coevolution code changes on SVN should not have any effect on your  
problem I THINK.  To the best of my knowledge, the SVN and ecj20  
should exhibit the same problem for you.

Sean

On Feb 4, 2011, at 2:07 PM, Nikola N. wrote:

> 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