https://bugzilla.wikimedia.org/show_bug.cgi?id=33687
Web browser: ---
Bug #: 33687
Summary: Unresolved prefixed name in SPARQL Query
Product: MediaWiki extensions
Version: any
Platform: PC
OS/Version: Linux
Status: NEW
Severity: blocker
Priority: Unprioritized
Component: Semantic MediaWiki
AssignedTo: [email protected]
ReportedBy: [email protected]
CC: [email protected], [email protected]
Classification: Unclassified
Installed software
- MediaWiki 1.18.0 (r525)
- Semantic MediaWiki (Version 1.6.1) (r525)
I use SMW whit Joseki as default store.
The configuration in my LocalSettings.php is the following
$smwgDefaultStore = 'SMWSparqlStore';
$smwgSparqlQueryEndpoint = 'http://localhost:8080/joseki/sparql';
$smwgSparqlUpdateEndpoint = 'http://localhost:8080/joseki/update/service';
$smwgSparqlDataEndpoint = ''; # optional location of SPARQL over HTTP service
i have this error on browser while generating SPARQL DELETE query:
Unexpected non-MediaWiki exception encountered, of type
"SMWSparqlDatabaseError"
exception 'SMWSparqlDatabaseError' with message 'A SPARQL query error
has occurred
Query: PREFIX wiki:
<http://unbreakable.local/mediawiki/index.php/Special:URIResolver/>
PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#>
PREFIX owl: <http://www.w3.org/2002/07/owl#>
PREFIX swivt: <http://semantic-mediawiki.org/swivt/1.0#>
PREFIX property:
<http://unbreakable.local/mediawiki/index.php/Special:URIResolver/Property-3A>
PREFIX xsd: <http://www.w3.org/2001/XMLSchema#>
DELETE { ?s ?p ?o } WHERE { ?s swivt:masterPage
state-instances:business_service-609 . ?s ?p ?o }
Error: Query refused
Endpoint: http://localhost:8080/joseki/update/service
HTTP response code: 500
' in
/Evoluzione02/mediawiki/extensions/SemanticMediaWiki/includes/sparql/SMW_SparqlDatabase.php:533
Stack trace:
#0
/Evoluzione02/mediawiki/extensions/SemanticMediaWiki/includes/sparql/SMW_SparqlDatabase.php(446):
SMWSparqlDatabase->throwSparqlErrors('http://localhos...', 'PREFIX wiki:
<h...')
#1
/Evoluzione02/mediawiki/extensions/SemanticMediaWiki/includes/sparql/SMW_SparqlDatabase.php(317):
SMWSparqlDatabase->doUpdate('PREFIX wiki: <h...')
#2
/Evoluzione02/mediawiki/extensions/SemanticMediaWiki/includes/sparql/SMW_SparqlDatabase.php(337):
SMWSparqlDatabase->delete('?s ?p ?o', '?s swivt:master...', Array)
#3
/Evoluzione02/mediawiki/extensions/SemanticMediaWiki/includes/storage/SMW_SparqlStore.php(261):
SMWSparqlDatabase->deleteContentByValue('swivt:masterPag...',
'state-instances...')
#4
/Evoluzione02/mediawiki/extensions/SemanticMediaWiki/includes/storage/SMW_SparqlStore.php(66):
SMWSparqlStore->deleteSparqlData(Object(SMWExpNsResource))
#5
/Evoluzione02/mediawiki/extensions/SemanticMediaWiki/includes/storage/SMW_Store.php(303):
SMWSparqlStore->doDataUpdate(Object(SMWSemanticData))
#6
/Evoluzione02/mediawiki/extensions/SemanticMediaWiki/includes/SMW_ParseData.php(267):
SMWStore->updateData(Object(SMWSemanticData))
#7
/Evoluzione02/mediawiki/extensions/SemanticMediaWiki/includes/jobs/SMW_UpdateJob.php(65):
SMWParseData::storeData(Object(ParserOutput), Object(Title), false)
#8 /Evoluzione02/mediawiki/includes/Wiki.php(411): SMWUpdateJob->run()
#9 /Evoluzione02/mediawiki/includes/Wiki.php(385): MediaWiki->doJobs()
#10 /Evoluzione02/mediawiki/includes/Wiki.php(627):
MediaWiki->finalCleanup()
#11 /Evoluzione02/mediawiki/includes/Wiki.php(533): MediaWiki->main()
#12 /Evoluzione02/mediawiki/index.php(57): MediaWiki->run()
#13 {main}
#0
/Evoluzione02/mediawiki/extensions/SemanticMediaWiki/includes/sparql/SMW_SparqlDatabase.php(446):
SMWSparqlDatabase->throwSparqlErrors('http://localhos...', 'PREFIX wiki:
<h...')
#1
/Evoluzione02/mediawiki/extensions/SemanticMediaWiki/includes/sparql/SMW_SparqlDatabase.php(317):
SMWSparqlDatabase->doUpdate('PREFIX wiki: <h...')
#2
/Evoluzione02/mediawiki/extensions/SemanticMediaWiki/includes/sparql/SMW_SparqlDatabase.php(337):
SMWSparqlDatabase->delete('?s ?p ?o', '?s swivt:master...', Array)
#3
/Evoluzione02/mediawiki/extensions/SemanticMediaWiki/includes/storage/SMW_SparqlStore.php(261):
SMWSparqlDatabase->deleteContentByValue('swivt:masterPag...',
'state-instances...')
#4
/Evoluzione02/mediawiki/extensions/SemanticMediaWiki/includes/storage/SMW_SparqlStore.php(66):
SMWSparqlStore->deleteSparqlData(Object(SMWExpNsResource))
#5
/Evoluzione02/mediawiki/extensions/SemanticMediaWiki/includes/storage/SMW_Store.php(303):
SMWSparqlStore->doDataUpdate(Object(SMWSemanticData))
#6
/Evoluzione02/mediawiki/extensions/SemanticMediaWiki/includes/SMW_ParseData.php(267):
SMWStore->updateData(Object(SMWSemanticData))
#7
/Evoluzione02/mediawiki/extensions/SemanticMediaWiki/includes/jobs/SMW_UpdateJob.php(65):
SMWParseData::storeData(Object(ParserOutput), Object(Title), false)
#8 /Evoluzione02/mediawiki/includes/Wiki.php(411): SMWUpdateJob->run()
#9 /Evoluzione02/mediawiki/includes/Wiki.php(385): MediaWiki->doJobs()
#10 /Evoluzione02/mediawiki/includes/Wiki.php(627):
MediaWiki->finalCleanup()
#11 /Evoluzione02/mediawiki/includes/Wiki.php(533): MediaWiki->main()
#12 /Evoluzione02/mediawiki/index.php(57): MediaWiki->run()
#13 {main}
On Joseki log i have:
PREFIX wiki:
<http://unbreakable.local/mediawiki/index.php/Special:URIResolver/>
PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#>
PREFIX owl: <http://www.w3.org/2002/07/owl#>
PREFIX swivt: <http://semantic-mediawiki.org/swivt/1.0#>
PREFIX property:
<http://unbreakable.local/mediawiki/index.php/Special:URIResolver/Property-3A>
PREFIX xsd: <http://www.w3.org/2001/XMLSchema#>
DELETE { ?s ?p ?o } WHERE { ?s swivt:masterPage
state-instances:business_service-609 . ?s ?p ?o }"
WARN [http-bio-8080-exec-7] (ProcessorBase.java:153) - Internal error
- unexpected exception:
com.hp.hpl.jena.query.QueryParseException: Line 8, column 49:
Unresolved prefixed name: state-instances:business_service-609
at
com.hp.hpl.jena.sparql.lang.ParserBase.throwParseException(ParserBase.java:538)
at
com.hp.hpl.jena.sparql.lang.ParserBase.resolvePName(ParserBase.java:237)
at
com.hp.hpl.jena.sparql.lang.arq.ARQParser.PrefixedName(ARQParser.java:4958)
at
com.hp.hpl.jena.sparql.lang.arq.ARQParser.IRIref(ARQParser.java:4942)
at
com.hp.hpl.jena.sparql.lang.arq.ARQParser.GraphTerm(ARQParser.java:3503)
at
com.hp.hpl.jena.sparql.lang.arq.ARQParser.VarOrTerm(ARQParser.java:3445)
at
com.hp.hpl.jena.sparql.lang.arq.ARQParser.GraphNode(ARQParser.java:3401)
at
com.hp.hpl.jena.sparql.lang.arq.ARQParser.Object(ARQParser.java:2793)
at
com.hp.hpl.jena.sparql.lang.arq.ARQParser.ObjectList(ARQParser.java:2774)
at
com.hp.hpl.jena.sparql.lang.arq.ARQParser.PropertyListNotEmptyPath(ARQParser.java:2885)
at
com.hp.hpl.jena.sparql.lang.arq.ARQParser.TriplesSameSubjectPath(ARQParser.java:2849)
at
com.hp.hpl.jena.sparql.lang.arq.ARQParser.TriplesBlock(ARQParser.java:2230)
at
com.hp.hpl.jena.sparql.lang.arq.ARQParser.GroupGraphPatternSub(ARQParser.java:2135)
at
com.hp.hpl.jena.sparql.lang.arq.ARQParser.GroupGraphPattern(ARQParser.java:2097)
at
com.hp.hpl.jena.sparql.lang.arq.ARQParser.Modify(ARQParser.java:1693)
at
com.hp.hpl.jena.sparql.lang.arq.ARQParser.Update1(ARQParser.java:1450)
at
com.hp.hpl.jena.sparql.lang.arq.ARQParser.Update(ARQParser.java:1379)
at
com.hp.hpl.jena.sparql.lang.arq.ARQParser.UpdateUnit(ARQParser.java:1369)
at
com.hp.hpl.jena.sparql.lang.ParserARQUpdate._parse(ParserARQUpdate.java:54)
at
com.hp.hpl.jena.sparql.lang.ParserARQUpdate.parse(ParserARQUpdate.java:45)
at
org.joseki.processors.SPARQLUpdate.execOperation(SPARQLUpdate.java:78)
at org.joseki.processors.ProcessorBase.exec(ProcessorBase.java:136)
at org.joseki.ServiceRequest.exec(ServiceRequest.java:36)
at org.joseki.Dispatcher.dispatch(Dispatcher.java:59)
at org.joseki.http.Servlet.doCommon(Servlet.java:178)
at org.joseki.http.ServletUpdate.doPost(ServletUpdate.java:39)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:641)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:722)
at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:304)
at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
at
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:224)
at
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:169)
at
org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:581)
at
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:168)
at
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:100)
at
org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:929)
at
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118)
at
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:405)
at
org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:964)
at
org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:515)
at
org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:304)
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
at java.lang.Thread.run(Thread.java:722)
WARN [http-bio-8080-exec-7] (Servlet.java:183) - Internal server error
com.hp.hpl.jena.query.QueryParseException: Line 8, column 49:
Unresolved prefixed name: state-instances:business_service-609
at
com.hp.hpl.jena.sparql.lang.ParserBase.throwParseException(ParserBase.java:538)
at
com.hp.hpl.jena.sparql.lang.ParserBase.resolvePName(ParserBase.java:237)
at
com.hp.hpl.jena.sparql.lang.arq.ARQParser.PrefixedName(ARQParser.java:4958)
at
com.hp.hpl.jena.sparql.lang.arq.ARQParser.IRIref(ARQParser.java:4942)
at
com.hp.hpl.jena.sparql.lang.arq.ARQParser.GraphTerm(ARQParser.java:3503)
at
com.hp.hpl.jena.sparql.lang.arq.ARQParser.VarOrTerm(ARQParser.java:3445)
at
com.hp.hpl.jena.sparql.lang.arq.ARQParser.GraphNode(ARQParser.java:3401)
at
com.hp.hpl.jena.sparql.lang.arq.ARQParser.Object(ARQParser.java:2793)
at
com.hp.hpl.jena.sparql.lang.arq.ARQParser.ObjectList(ARQParser.java:2774)
at
com.hp.hpl.jena.sparql.lang.arq.ARQParser.PropertyListNotEmptyPath(ARQParser.java:2885)
at
com.hp.hpl.jena.sparql.lang.arq.ARQParser.TriplesSameSubjectPath(ARQParser.java:2849)
at
com.hp.hpl.jena.sparql.lang.arq.ARQParser.TriplesBlock(ARQParser.java:2230)
at
com.hp.hpl.jena.sparql.lang.arq.ARQParser.GroupGraphPatternSub(ARQParser.java:2135)
at
com.hp.hpl.jena.sparql.lang.arq.ARQParser.GroupGraphPattern(ARQParser.java:2097)
at
com.hp.hpl.jena.sparql.lang.arq.ARQParser.Modify(ARQParser.java:1693)
at
com.hp.hpl.jena.sparql.lang.arq.ARQParser.Update1(ARQParser.java:1450)
at
com.hp.hpl.jena.sparql.lang.arq.ARQParser.Update(ARQParser.java:1379)
at
com.hp.hpl.jena.sparql.lang.arq.ARQParser.UpdateUnit(ARQParser.java:1369)
at
com.hp.hpl.jena.sparql.lang.ParserARQUpdate._parse(ParserARQUpdate.java:54)
at
com.hp.hpl.jena.sparql.lang.ParserARQUpdate.parse(ParserARQUpdate.java:45)
at
org.joseki.processors.SPARQLUpdate.execOperation(SPARQLUpdate.java:78)
at org.joseki.processors.ProcessorBase.exec(ProcessorBase.java:136)
at org.joseki.ServiceRequest.exec(ServiceRequest.java:36)
at org.joseki.Dispatcher.dispatch(Dispatcher.java:59)
at org.joseki.http.Servlet.doCommon(Servlet.java:178)
at org.joseki.http.ServletUpdate.doPost(ServletUpdate.java:39)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:641)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:722)
at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:304)
at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
at
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:224)
at
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:169)
at
org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:581)
at
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:168)
at
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:100)
at
org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:929)
at
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118)
at
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:405)
at
org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:964)
at
org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:515)
at
org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:304)
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
at java.lang.Thread.run(Thread.java:722)
The problem is that in the PREFIX list i don't have the "state-instances"
prefix.
In SMW_SparqlDatabase.php the method
public function delete( $deletePattern, $where, $extraNamespaces = array() )
"extraNamespaces" that is an array (associative) of namespaceId =>
namespaceUri,
and it contains prefix different from wiki, swivt, rdf, owl, rdfs, property,
xsd.
The method
SMW_SparqlStore.php:deleteSparqlData( SMWExpResource $expResource )
invoke SMW_SparqlDatabase.php:delete like
smwfGetSparqlDatabase()->delete( "$resourceUri ?p ?o", "$resourceUri ?p ?o" );
and "extraNamespaces" isn't in the parameters list.
Solution:
1) Fill extraNamespaces int he following way
$extraNamespaces = array();
$extraNamespaces[$expResource->getNamespaceId()]=$expResource->getNamespace();
2) Pass the filled array to SMW_SparqlDatabase.php:delete method like
smwfGetSparqlDatabase()->delete( "$resourceUri ?p ?o", "$resourceUri ?p
?o", $extraNamespaces );
and the result is
/**
* Delete from the SPARQL database all data that is associated with the
* given resource.
*
* @param $expResource SMWExpResource
* @return boolean success
*/
protected function deleteSparqlData( SMWExpResource $expResource ) {
$resourceUri = SMWTurtleSerializer::getTurtleNameForExpElement(
$expResource );
$masterPageProperty = SMWExporter::getSpecialNsResource( 'swivt',
'masterPage' );
$masterPagePropertyUri =
SMWTurtleSerializer::getTurtleNameForExpElement( $masterPageProperty );
$extraNamespaces = array();
$extraNamespaces[$expResource->getNamespaceId()]=$expResource->getNamespace();
$success = smwfGetSparqlDatabase()->deleteContentByValue(
$masterPagePropertyUri, $resourceUri, $extraNamespaces );
if ( $success ) {
return smwfGetSparqlDatabase()->delete( "$resourceUri ?p ?o",
"$resourceUri ?p ?o", $extraNamespaces );
} else {
return false;
}
}
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