[Mulgara-general] "Couldn't construct node pool"

[Don Undeen]

thanks Paul.
I was also had TopBraid Composer up, running a query against this store, so
that may have had something to do with it.
In any case, I restarted my machine, and that seemed to do the trick.

On Tue, Aug 5, 2008 at 4:09 PM, Paul Gearon <gearon at ieee.org> wrote:

> Hi Don,
>
> No, I haven't seen this before, sorry.
>
> The underlying exception that throws this is an IOException. I just
> checked some of the operations involved, looking for what can throw an
> IOException. The operations I saw are mostly opening/writing files,
> and also being unable to acquire a lock file.
>
> So the first thing to check is if you have read/write permission for
> the directories you're in (I'm guessing you already did that?)
>
> The other thing is to do with the lock files. I've seen files (not
> Mulgara's) erroneously reporting that they were locked in Java on
> Windows when they weren't. So I guess there are several things that
> can be going wrong.
>
> Did you get this error when you started up the first time, or on a
> subsequent run? (even if the first runs fell over due to some other
> problem). Can you try wiping the data directories and start again?
>
> Also, which Mulgara-jar do you have SAIL using? Did you build it
> yourself? If so, then I put in a little more logging for that error
> into SVN. You could pull it down and see what it says.
>
> Regards,
> Paul Gearon
>
> On Tue, Aug 5, 2008 at 2:22 PM, Don Undeen <donundeen at gmail.com> wrote:
> > Hi, I'm trying to connect to a mulgara db using sesame 2.2beta1 API, and
> I'm
> > getting a "Couldn't construct node pool" error.
> >
> > using:
> > openrdf-mulgara-1.3-beta
> > openrdf-mulgara-sail-2.2-beta2
> > sesame2.2beta2
> >
> > Here's my code:
> >
> > import org.openrdf.*;
> > import org.openrdf.repository.Repository;
> > import org.openrdf.repository.sail.SailRepository;
> > import org.openrdf.sail.memory.MemoryStore;
> > import org.openrdf.sail.mulgara.*;
> > import org.openrdf.OpenRDFException;
> > import org.openrdf.repository.RepositoryConnection;
> > import org.openrdf.rio.RDFFormat;
> > import javax.transaction.TransactionManager;
> > import java.io.File;
> >
> > public class TestSesame {
> >
> >     /**
> >      * @param args
> >      */
> >     public static void main(String[] args) {
> >         try{
> >             File dataDir = new File("C:\\Documents and
> > Settings\\LocalService\\Application
> > Data\\Aduna\\OpenRDF\\Sesame\\repositories\\mulgaraTms\\");
> >             Repository myRepository = new SailRepository(new
> > MulgaraStore(dataDir));
> >             myRepository.initialize();
> >             RepositoryConnection conn = myRepository.getConnection();
> >
> >         }catch(Exception e){
> >             System.out.println("had error " +e.getMessage() );
> >         }
> >     }
> > }
> >
> >
> >
> > The message I'm getting is:
> > had error org.mulgara.store.nodepool.NodePoolException: Couldn't
> construct
> > node pool
> >
> > Does anyone know what this means?
> >
> >
> > thanks!!
> >
> > don
> >
> > full output below:
> > 15:12:57.932 [main] INFO  org.objectweb.jotm - JOTM started with a local
> > transaction factory which is not bound.
> > 15:12:57.932 [main] INFO  org.objectweb.jotm - CAROL initialization
> > 15:12:57.948 [main] DEBUG o.o.c.u.c.ConfigurationRepository - Return
> empty
> > properties, URL is null
> > 15:12:57.964 [main] DEBUG o.o.c.u.c.ConfigurationRepository - Build
> protocol
> > object for protocol name found 'cmi'.
> > 15:12:57.979 [main] DEBUG o.o.c.u.c.ConfigurationRepository - Cmi is not
> > available, don't configure it.
> > 15:12:57.979 [main] DEBUG o.o.c.u.c.ConfigurationRepository - Build
> protocol
> > object for protocol name found 'jeremie'.
> > 15:12:57.979 [main] DEBUG o.o.c.u.c.ConfigurationRepository - Build
> protocol
> > object for protocol name found 'iiop'.
> > 15:12:57.979 [main] DEBUG o.o.c.u.c.ConfigurationRepository - Build
> protocol
> > object for protocol name found 'irmi'.
> > 15:12:57.979 [main] DEBUG o.o.c.u.c.ConfigurationRepository - Build
> protocol
> > object for protocol name found 'jrmp'.
> > 15:12:57.979 [main] INFO  o.o.c.u.c.ConfigurationRepository - No
> protocols
> > were defined for property 'carol.protocols', trying with default protocol
> =
> > 'jrmp'.
> > 15:12:58.182 [main] DEBUG org.objectweb.jotm - default constructor
> > 15:12:58.198 [main] INFO  org.objectweb.jotm.jta - JOTM 2.0.10
> > 15:12:58.198 [main] DEBUG org.objectweb.jotm.jta -
> > TransactionFactory=org.objectweb.jotm.TransactionFactoryImpl at 1bd7848
> > 15:12:58.198 [main] DEBUG org.objectweb.jotm.jta - Batch constructor
> > 15:12:58.198 [main] DEBUG org.objectweb.jotm.jta - Clock constructor
> > 15:12:58.214 [main] DEBUG org.objectweb.jotm.recovery -
> > TransactionRecoveryImpl constructor
> > 15:12:58.214 [main] DEBUG org.objectweb.jotm.recovery - JOTM Recovery is
> > disabled
> > 15:12:58.245 [main] DEBUG org.objectweb.jotm -
> > TransactionManager=org.objectweb.jotm.Current at 15093f1
> > 15:12:58.245 [main] DEBUG org.objectweb.jotm.jta - timeout= 604800
> > 15:12:58.245 [main] DEBUG org.objectweb.jotm.jta - Resetting transaction
> > timeout= 604800
> > had error org.mulgara.store.nodepool.NodePoolException: Couldn't
> construct
> > node pool
> >
> >
> >
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> >
> >
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