[OS] Fwd: OSrL problem

[Mike Steglich]

Hi Gus,

I have used OS 2.3.2. 

But this problem occurs also in OS 2.3.4. 


localhost:_cmplFrame mike$ /Applications/COIN-OS/OSSolverService -osil diet.osil -solver clp


Optimization Services Solver
Main Authors: Horand Gassmann, Jun Ma, and Kipp Martin
Distributed under the Common Public License 1.0
OS Version: 2.3.4
Build Date: Mar 25 2011
SVN Version: 4105

<?xml version="1.0" encoding="UTF-8"?><?xml-stylesheet type="text/xsl" href="http://www.coin-or.org/OS/stylesheets/OSrL.xslt"?>
<osrl xmlns="os.optimizationservices.org"   xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="os.optimizationservices.org http://www.optimizationservices.org/schemas/2.0/OSrL.xsd" >
<general>
<generalStatus type="error">
</generalStatus>
<message><?xml version="1.0" encoding="UTF-8"?><?xml-stylesheet type="text/xsl" href="http://www.coin-or.org/OS/stylesheets/OSrL.xslt"?>
<osrl xmlns="os.optimizationservices.org"   xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="os.optimizationservices.org http://www.optimizationservices.org/schemas/2.0/OSrL.xsd" >
<general>
<generalStatus type="error">
</generalStatus>
<message>Clp cannot do integer programming</message>
</general>
</osrl>
</message>
</general>
</osrl>

Cheers 

Mike


> 
> 
> Am 25.03.2011 um 16:42 schrieb Horand Gassmann:
> 
>> Mike Steglich <mike.steglich at berlin.de> wrote:
>> 
>>> Hi,
>>> 
>>> If I try to solve an integer problem with Clp < OSSolverService -osil problemname.osil -solver clp> then I get the following OSrL file that seems not well-formed.
>>> Therefore it is difficult to catch automatically (e.g. by using Qt's  QDomDocument, QDomElement, QDomNode)  the message that is written in the OSrL file.
>>> 
>>> <?xml version="1.0" encoding="UTF-8"?><?xml-stylesheet type="text/xsl" href="http://www.coin-or.org/OS/stylesheets/OSrL.xslt"?>
>>> <osrl xmlns="os.optimizationservices.org"   xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="os.optimizationservices.org http://www.optimizationservices.org/schemas/2.0/OSrL.xsd" >
>>> <general>
>>> <generalStatus type="error">
>>> </generalStatus>
>>> <message><?xml version="1.0" encoding="UTF-8"?><?xml-stylesheet type="text/xsl" href="http://www.coin-or.org/OS/stylesheets/OSrL.xslt"?>
>>> <osrl xmlns="os.optimizationservices.org"   xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="os.optimizationservices.org http://www.optimizationservices.org/schemas/2.0/OSrL.xsd" >
>>> <general>
>>> <generalStatus type="error">
>>> </generalStatus>
>>> <message>Clp cannot do integer programming</message>
>>> </general>
>>> </osrl>
>>> </message>
>>> </general>
>>> </osrl>
>> 
>> Mike,
>> 
>> what version of OS are you using? We saw this kind of behavior in old versions (prior to around 2.1 --- I am not 100% sure). It was definitely fixed, and release 2.3.3 should be able to do what you need.
>> 
>> Hope that helps.
>> 
>> gus gassmann
>> 
>