[Cmpl] Error connecting to CPLEX

[Mike Steglich]

The following entries are working on my Windows test system:

CbcPath = ../Thirdparty/CBC/
GlpkPath =  ../Thirdparty/GLPK/
ScipFileName = ../Thirdparty/scip/scip.exe
CplexFileName = 


It works as expected when I include the CMPL header entry %arg -solver scip in my model.

Please copy the required DLLs into CMPL/Frameworks or in another folder that is in the search path.

This should work similar for Cplex.

Cheers,

Mike



> Am 22.11.2014 um 16:41 schrieb Indrajit Sen Gupta <indrajitsg at gmail.com>:
> 
> I tried all of the above and some more - but none worked.
>  
> I tried putting ../../ before the path to filename. So the full path would look like: ../../AMPL/ampl/cplex.exe
>  
> I even copied cplex.exe and cplex1260.dll into a folder under Thirdparty and tried running it with filename path as: ../Thirdparty/CPLEX/cplex.exe
>  
> Regards,
> Indrajit
>  
> 
> On Sat, Nov 22, 2014 at 3:02 PM, Mike Steglich <mike.steglich at th-wildau.de <mailto:mike.steglich at th-wildau.de>> wrote:
> Hi Indrajit,
> 
> It is unfortunately not possible to use drive letters to specify where Cplex is located.  Furthermore please use / instead of \. e.g. /DPF/Ampl/ampl/cplex.exe.
> 
> Cheers,
> 
> Mike
> 
> 
> 
> > Am 22.11.2014 um 09:29 schrieb Kamil Figiela <kfigiela at agh.edu.pl <mailto:kfigiela at agh.edu.pl>>:
> >
> > Probably it should say:
> >
> > CplexFileName = D:\DPF\AMPL\ampl\cplex.exe
> >
> > Best,
> > Kamil
> >
> >> Wiadomość napisana przez Indrajit Sen Gupta <indrajitsg at gmail.com <mailto:indrajitsg at gmail.com>> w dniu 22 lis 2014, o godz. 05:56:
> >>
> >> Hi Mike,
> >>
> >> I have a CPLEX demo version which came with AMPL demo version. I tried to use this solver with the option:
> >>
> >> %arg -solver cplex
> >>
> >> and with the following line in cmpl.opt file:
> >>
> >> CplexFileName = D:\DPF\AMPL\ampl\
> >>
> >> This is the path to the folder where cplex.exe is located. When I try to execute a model it says
> >>
> >> Error (interfaces): can not connect the solver: Cplex ->
> >>
> >> Any idea why this is happening?
> >>
> >> Regards,
> >> Indrajit
> >>
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