[Cmpl] Nondescript error message when running out of memory
Christopher Gross
christopher.gross at unikat.uni-augsburg.de
Fri Aug 14 03:10:44 EDT 2015
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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