Hi,
While using the Jena Semantic Framework for extracting RDF based
data, I come across the following error on GAE :
Uncaught exception from servlet
java.lang.NoClassDefFoundError: java.rmi.server.UID is a restricted
class. Please see the Google App Engine developer's guide for more
details.
at
com.google.apphosting.runtime.security.shared.stub.java.rmi.server.UID.<clinit>
(UID.java)
at com.hp.hpl.jena.rdf.model.AnonId.<init>(AnonId.java:78)
at com.hp.hpl.jena.rdf.model.AnonId.create(AnonId.java:60)
at com.hp.hpl.jena.graph.Node.createAnon(Node.java:45)
at com.hp.hpl.jena.rdf.arp.JenaReader.convert(JenaReader.java:116)
at com.hp.hpl.jena.rdf.arp.JenaReader.convert(JenaReader.java:128)
at com.hp.hpl.jena.rdf.arp.JenaHandler.statement(JenaHandler.java:73)
at com.hp.hpl.jena.rdf.arp.impl.XMLHandler.triple(XMLHandler.java:
100)
at com.hp.hpl.jena.rdf.arp.impl.ParserSupport.triple
(ParserSupport.java:240)
at com.hp.hpl.jena.rdf.arp.states.WantPropertyElement.aPredAndObj
(WantPropertyElement.java:187)
at com.hp.hpl.jena.rdf.arp.states.Frame.processPropertyAttributes
(Frame.java:112)
at com.hp.hpl.jena.rdf.arp.states.WantPropertyElement.startElement
(WantPropertyElement.java:116)
at com.hp.hpl.jena.rdf.arp.impl.XMLHandler.startElement
(XMLHandler.java:137)
at org.apache.xerces.parsers.AbstractSAXParser.startElement(Unknown
Source)
at org.apache.xerces.parsers.AbstractXMLDocumentParser.emptyElement
(Unknown Source)
at org.apache.xerces.impl.XMLNamespaceBinder.handleStartElement
(Unknown Source)
at org.apache.xerces.impl.XMLNamespaceBinder.emptyElement(Unknown
Source)
at
org.apache.xerces.impl.XMLDocumentFragmentScannerImpl.scanStartElement
(Unknown Source)
at org.apache.xerces.impl.XMLDocumentFragmentScannerImpl
$FragmentContentDispatcher.dispatch(Unknown Source)
at org.apache.xerces.impl.XMLDocumentFragmentScannerImpl.scanDocument
(Unknown Source)
at org.apache.xerces.parsers.DTDConfiguration.parse(Unknown Source)
at org.apache.xerces.parsers.DTDConfiguration.parse(Unknown Source)
at org.apache.xerces.parsers.XMLParser.parse(Unknown Source)
at org.apache.xerces.parsers.AbstractSAXParser.parse(Unknown Source)
at com.hp.hpl.jena.rdf.arp.impl.RDFXMLParser.parse(RDFXMLParser.java:
107)
at com.hp.hpl.jena.rdf.arp.JenaReader.read(JenaReader.java:158)
at com.hp.hpl.jena.rdf.arp.JenaReader.read(JenaReader.java:145)
at com.hp.hpl.jena.rdf.arp.JenaReader.read(JenaReader.java:215)
at com.hp.hpl.jena.rdf.model.impl.ModelCom.read(ModelCom.java:188)
This runs in dev mode on my local machine but gives problem from the
deployment on GAE server.
Any suggestions would be highly appreciated.
-Ic
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