Hello,
I'm a newbie to all semantic web and RDF, but recently I have been
trying to generate a mapping file from my database following a tutorials
found online.
But I'm having a problem when I tried to lunch d2r-server:
I don't know to fix this error even how to check, if you may help me
understand please :
************** This is the error I'm getting *****************
******************************************************
C:\wamp\www\d2rq\d2r-server-0.7>d2r-server.bat -p 8080 Troissay.ttl
05:04:19 INFO log :: Logging to
org.slf4j.impl.Log4jLoggerAdap
ter(org.mortbay.log) via org.mortbay.log.Slf4jLog
05:04:19 INFO log :: jetty-6.1.10
05:04:19 INFO log :: NO JSP Support for , did not find
org.apa
che.jasper.servlet.JspServlet
05:04:19 INFO D2RServer :: using port 8080
05:04:19 INFO D2RServer :: using config file:
file:/C:/wamp/www/d2rq/d2r-server-0.7/Troissay.ttl
05:04:21 ERROR log :: Failed startup of context
org.mortbay.jetty.webapp.WebAppContext@1700b80{,webapp}
de.fuberlin.wiwiss.d2rq.D2RQException: Name map:alp_role_sortorder
cannot be both a d2rq:ClassMap and a d2rq:PropertyBridge (E58)
at
de.fuberlin.wiwiss.d2rq.parser.MapParser.ensureAllDistinct(MapParser.java:126)
at
de.fuberlin.wiwiss.d2rq.parser.MapParser.parse(MapParser.java:92)
at de.fuberlin.wiwiss.d2rq.GraphD2RQ.<init>(GraphD2RQ.java:74)
at de.fuberlin.wiwiss.d2rq.ModelD2RQ.<init>(ModelD2RQ.java:61)
at
de.fuberlin.wiwiss.d2rs.AutoReloadableDataset.initD2RQDatasetGraph(AutoReloadableDataset.java:80)
at
de.fuberlin.wiwiss.d2rs.AutoReloadableDataset.forceReload(AutoReloadableDataset.java:54)
at de.fuberlin.wiwiss.d2rs.D2RServer.start(D2RServer.java:225)
at
de.fuberlin.wiwiss.d2rs.WebappInitListener.contextInitialized(WebappInitListener.java:37)
at
org.mortbay.jetty.handler.ContextHandler.startContext(ContextHandler.java:540)
at org.mortbay.jetty.servlet.Context.startContext(Context.java:135)
at
org.mortbay.jetty.webapp.WebAppContext.startContext(WebAppContext.java:1220)
at
org.mortbay.jetty.handler.ContextHandler.doStart(ContextHandler.java:510)
at
org.mortbay.jetty.webapp.WebAppContext.doStart(WebAppContext.java:448)
at
org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:39)
at
org.mortbay.jetty.handler.HandlerWrapper.doStart(HandlerWrapper.java:130)
at org.mortbay.jetty.Server.doStart(Server.java:222)
at
org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:39)
at
de.fuberlin.wiwiss.d2rs.JettyLauncher.start(JettyLauncher.java:64)
at d2r.server.startServer(server.java:86)
at d2r.server.main(server.java:57)
05:04:21 INFO log :: Started SocketConnector@0.0.0.0:8080
Exception in thread "main" java.lang.NullPointerException
at
de.fuberlin.wiwiss.d2rs.JettyLauncher.start(JettyLauncher.java:68)
at d2r.server.startServer(server.java:86)
at d2r.server.main(server.java:57)
------------------------------------------------------------------------------
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