[Cmpl] Nondescript error message when running out of memory

[Mike Steglich]

Hi Christopher,

You are right. The exception works as expected error message is confusing. 
I'll change it until the next release. 
Thanks,

Mike




> Am 14.08.2015 um 09:10 schrieb Christopher Gross <christopher.gross at unikat.uni-augsburg.de>:
> 
> Hello,
> 
> recently I came across a strange error message when trying to solve a problem using CMPL:
> 
> > CMPL model generation - running
> >
> > CMPL version: 1.10.0
> > Authors: Thomas Schleiff, Mike Steglich
> > Distributed under the GPLv3
> >
> > create model instance ...
> > write model instance ...
> > CMPL model generation - finished
> >
> > Solver - running
> >
> > Error (interfaces): can not connect the solver:
> 
> Note that there is nothing after the colon. I am using the CBC solver, so after looking at the source code it seems that the path of CBC should be output here.
> 
> I am running on openSUSE 13.1 with kernel 3.11.10-29-desktop #1 SMP PREEMPT Thu Mar 5 16:24:00 UTC 2015 (338c513) x86_64 x86_64 x86_64 GNU/Linux, using CMPL 1.10.0 and CBC 2.9.5. This is a virtual machine in VirtualBox 5.0.0.
> 
> After a bit of debugging I realized that this error always occurs when the solver runs out of memory. I am not sure why it manifests in this way (truncated error message) but after adding more main memory to the virtual machine it runs just fine.
> 
> Best regards,
> 
> Christopher
> 
> -- 
> Christopher Gross, M.Sc.
> 
> Lehrstuhl für Health Care Operations/Health Information Management
> 
> Universitäres Zentrum für Gesundheitswissenschaften am Klinikum Augsburg
> (UNIKA-T), Neusässer Straße 47, 86156 Augsburg;
> 
> Wirtschaftswissenschaftliche Fakultät, Universität Augsburg,
> Universitätsstraße 16, 86159 Augsburg
> 
> 
> Tel.: +49 821 598-6454
> 
> E-Mail:  christopher.gross at unikat.uni-augsburg.de
> Web:  http://www.wiwi.uni-augsburg.de/bwl/brunner/
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