First things first: are you using the SVN version?  BTW, I just updated the manual to make clear how maximize/minimize works.

Next...

On Sep 24, 2013, at 10:27 PM, Eric 'Siggy' Scott wrote:

> I have tried this:
> 
> multi.fitness.0.maximize=true
> multi.fitness.1.maximize=false
> multi.fitness.2.maximize=false
> 
> And this:
> 
> pop.subpop.0.species.fitness.0.maximize=true
> pop.subpop.0.species.fitness.1.maximize=false
> pop.subpop.0.species.fitness.2.maximize=false

It's maximize.1, not 1.maximize.  Any chance this is the issue?

If we've got further concerns with per-objective maximization and minimization, time to call in Khaled, who was instrumental in updating ECJ to handle it.

Sean