18/Apr/201814:45:02 INFO [Thread-309] (FoxWebLog.java:setMessage:44) - Running Fox done. 18/Apr/201814:45:02 INFO [Thread-309] (AFox.java:infoLog:54) - Running Fox done. 18/Apr/201814:45:02 ERROR [qtp478039926-17] (FoxServer.java:lambda$mapRoutes$2:255) - No graph writer for null org.apache.jena.riot.RiotException: No graph writer for null at org.apache.jena.riot.RDFDataMgr.createGraphWriter$(RDFDataMgr.java:1199) at org.apache.jena.riot.RDFDataMgr.write$(RDFDataMgr.java:1216) at org.apache.jena.riot.RDFDataMgr.write(RDFDataMgr.java:1014) at org.apache.jena.riot.RDFDataMgr.write(RDFDataMgr.java:954) at org.aksw.fox.output.AFoxJenaNew.print(AFoxJenaNew.java:113) at org.aksw.fox.Fox.getResultsAndClean(Fox.java:91) at org.aksw.fox.webservice.FoxServer.fox(FoxServer.java:306) at org.aksw.fox.webservice.FoxServer.lambda$mapRoutes$2(FoxServer.java:246) at spark.RouteImpl$1.handle(RouteImpl.java:61) at spark.http.matching.Routes.execute(Routes.java:61) at spark.http.matching.MatcherFilter.doFilter(MatcherFilter.java:126) at spark.embeddedserver.jetty.JettyHandler.doHandle(JettyHandler.java:50) at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:189) at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:119) at org.eclipse.jetty.server.Server.handle(Server.java:517) at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:308) at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:242) at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:261) at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:95) at org.eclipse.jetty.io.SelectChannelEndPoint$2.run(SelectChannelEndPoint.java:75) at org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.produceAndRun(ExecuteProduceConsume.java:213) at org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.run(ExecuteProduceConsume.java:147) at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:654) at org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:572) at java.lang.Thread.run(Thread.java:748)
18/Apr/201814:45:02 INFO [Thread-309] (FoxWebLog.java:setMessage:44) - Running Fox done. 18/Apr/201814:45:02 INFO [Thread-309] (AFox.java:infoLog:54) - Running Fox done. 18/Apr/201814:45:02 ERROR [qtp478039926-17] (FoxServer.java:lambda$mapRoutes$2:255) - No graph writer for null org.apache.jena.riot.RiotException: No graph writer for null at org.apache.jena.riot.RDFDataMgr.createGraphWriter$(RDFDataMgr.java:1199) at org.apache.jena.riot.RDFDataMgr.write$(RDFDataMgr.java:1216) at org.apache.jena.riot.RDFDataMgr.write(RDFDataMgr.java:1014) at org.apache.jena.riot.RDFDataMgr.write(RDFDataMgr.java:954) at org.aksw.fox.output.AFoxJenaNew.print(AFoxJenaNew.java:113) at org.aksw.fox.Fox.getResultsAndClean(Fox.java:91) at org.aksw.fox.webservice.FoxServer.fox(FoxServer.java:306) at org.aksw.fox.webservice.FoxServer.lambda$mapRoutes$2(FoxServer.java:246) at spark.RouteImpl$1.handle(RouteImpl.java:61) at spark.http.matching.Routes.execute(Routes.java:61) at spark.http.matching.MatcherFilter.doFilter(MatcherFilter.java:126) at spark.embeddedserver.jetty.JettyHandler.doHandle(JettyHandler.java:50) at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:189) at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:119) at org.eclipse.jetty.server.Server.handle(Server.java:517) at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:308) at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:242) at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:261) at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:95) at org.eclipse.jetty.io.SelectChannelEndPoint$2.run(SelectChannelEndPoint.java:75) at org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.produceAndRun(ExecuteProduceConsume.java:213) at org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.run(ExecuteProduceConsume.java:147) at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:654) at org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:572) at java.lang.Thread.run(Thread.java:748)