[Pellet-users] SPARQL query over Web Services

[Gustavo Enrique Salazar Torres]

Hi Emilio
It seems you need to include some jars in the tomcat (or any server you are
using) library.

Best Regards
Gustavo

On Thu, Feb 28, 2008 at 4:07 PM, Miguelanez, Emilio <E.Miguelanez at hw.ac.uk>
wrote:

>  Hi,
>
> I am implementing a web application which execute queries over a servlet.
>
> The class in a standalone code works ok, however through the servlet,
> I get the following error for a simple query SELECT ?x ?y ?z WHERE {?x
> ?y ?z}
>
> Exception in thread "Thread-34" java.lang.Error: no implementation of
> regexp was found.
> at
> com.sun.msv.datatype.xsd.regex.RegExpFactory.createFactory(
> RegExpFactory.java:28\
> )
> at
> com.sun.msv.datatype.xsd.AnyURIType.createRegExp(AnyURIType.java:175)
> at
> com.sun.msv.datatype.xsd.AnyURIType.<clinit>(AnyURIType.java:128)
> at
> com.sun.msv.datatype.xsd.DatatypeFactory.getTypeByName(
> DatatypeFactory.java:195)
> at
> org.mindswap.pellet.datatypes.XSDAnyURI.<clinit>(XSDAnyURI.java:28)
> at
> org.mindswap.pellet.datatypes.XSDSimpleType.<init>(XSDSimpleType.java:19)
> at
> org.mindswap.pellet.datatypes.XSDSimpleType.<clinit>(XSDSimpleType.java
> :13)
> at
> org.mindswap.pellet.datatypes.RDFSLiteral.<init>(RDFSLiteral.java:17)
> at
> org.mindswap.pellet.datatypes.RDFSLiteral.<clinit>(RDFSLiteral.java:14)
> at
> org.mindswap.pellet.datatypes.DatatypeReasoner.<init>(
> DatatypeReasoner.java:84)
> at org.mindswap.pellet.ABox.<init>(ABox.java:189)
> at org.mindswap.pellet.KnowledgeBase.clear(KnowledgeBase.java:191)
> at
> org.mindswap.pellet.KnowledgeBase.<init>(KnowledgeBase.java:140)
> at
> org.mindswap.pellet.jena.OWLReasoner.<init>(OWLReasoner.java:89)
> at
> org.mindswap.pellet.jena.PelletInfGraph.<init>(PelletInfGraph.java:158)
> at
> org.mindswap.pellet.jena.PelletReasoner.bind(PelletReasoner.java:84)
> at
> com.hp.hpl.jena.rdf.model.ModelFactory.createInfModel(ModelFactory.java
> :294)
> at net.integrail.implement.QueryThread.run(QueryThread.java:84)
>
> I do not have any idea the root of this problem. Any help is appreciated.
>
> Cheers,
> Emilio
>
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-- 
Gustavo Salazar Torres
MSc.(C) in Computer Science
IME-USP
http://www.ime.usp.br/~gsalazar
---------------------------------
"En la sencillez de mi corazon te he dado todo con alegría" Mons. Luigi
Giussani
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