Created
March 19, 2013 18:43
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org.apache.jena.riot.RiotException: No graph writer for null
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[2013-03-19 19:39:05] INFO Fuseki :: [1] GET http://localhost:3030/dataset/query?query=%0ADESCRIBE+%3Chttp%3A%2F%2Fexample.info%2Fid%2F1000%3E%0A&output=html | |
[2013-03-19 19:39:05] INFO Fuseki :: [1] Host localhost:3030 | |
[2013-03-19 19:39:05] INFO Fuseki :: [1] Accept */* | |
[2013-03-19 19:39:05] INFO Fuseki :: [1] Query = | |
DESCRIBE <http://example.info/id/1000> | |
[2013-03-19 19:39:05] DEBUG TDB :: Txn[1]/R: begin$ | |
[2013-03-19 19:39:05] DEBUG info :: Triple table: SPO :: SPO,POS,OSP | |
[2013-03-19 19:39:05] DEBUG info :: Quad table: GSPO :: GSPO,GPOS,GOSP,POSG,OSPG,SPOG | |
[2013-03-19 19:39:05] DEBUG info :: Prefixes: GPU :: GPU | |
[2013-03-19 19:39:05] DEBUG LockMRSW :: Lock : qtp1339714885-20 | |
[2013-03-19 19:39:05] DEBUG TDB :: Txn[1]/R: start | |
[2013-03-19 19:39:05] DEBUG LockMRSW :: qtp1339714885-20 >> enterCS: Thread R/W: 0/0 :: Model R/W: 0/0 (thread: qtp1339714885-20) | |
[2013-03-19 19:39:05] DEBUG LockMRSW :: qtp1339714885-20 << enterCS: Thread R/W: 1/0 :: Model R/W: 1/0 (thread: qtp1339714885-20) | |
[2013-03-19 19:39:05] DEBUG LockMRSW :: Lock : qtp1339714885-20 | |
[2013-03-19 19:39:05] TRACE BlockAccessMapped :: 0 => [0, 0] | |
[2013-03-19 19:39:05] DEBUG BlockAccessMapped :: Segment: 0 | |
[2013-03-19 19:39:05] TRACE BlockAccessMapped :: 0 => [0, 0] | |
[2013-03-19 19:39:05] DEBUG BlockAccessMapped :: Segment: 0 | |
[2013-03-19 19:39:05] TRACE BlockAccessMapped :: 0 => [0, 0] | |
[2013-03-19 19:39:05] TRACE BlockAccessMapped :: 0 => [0, 0] | |
[2013-03-19 19:39:05] TRACE BlockAccessMapped :: 0 => [0, 0] | |
[2013-03-19 19:39:05] DEBUG BlockAccessMapped :: Segment: 0 | |
[2013-03-19 19:39:05] TRACE BlockAccessMapped :: 0 => [0, 0] | |
[2013-03-19 19:39:05] DEBUG BlockAccessMapped :: Segment: 0 | |
[2013-03-19 19:39:05] TRACE BlockAccessMapped :: 0 => [0, 0] | |
[2013-03-19 19:39:05] DEBUG BlockAccessMapped :: Segment: 0 | |
[2013-03-19 19:39:05] TRACE BlockAccessMapped :: 0 => [0, 0] | |
[2013-03-19 19:39:05] DEBUG BlockAccessMapped :: Segment: 0 | |
[2013-03-19 19:39:05] DEBUG LockMRSW :: Lock : qtp1339714885-20 | |
[2013-03-19 19:39:05] TRACE BlockAccessMapped :: 0 => [0, 0] | |
[2013-03-19 19:39:05] DEBUG BlockAccessMapped :: Segment: 0 | |
[2013-03-19 19:39:05] TRACE BlockAccessMapped :: 0 => [0, 0] | |
[2013-03-19 19:39:05] DEBUG BlockAccessMapped :: Segment: 0 | |
[2013-03-19 19:39:05] TRACE BlockAccessMapped :: 0 => [0, 0] | |
[2013-03-19 19:39:05] TRACE BlockAccessMapped :: 0 => [0, 0] | |
[2013-03-19 19:39:05] TRACE BlockAccessMapped :: 0 => [0, 0] | |
[2013-03-19 19:39:05] DEBUG BlockAccessMapped :: Segment: 0 | |
[2013-03-19 19:39:05] TRACE BlockAccessMapped :: 0 => [0, 0] | |
[2013-03-19 19:39:05] DEBUG BlockAccessMapped :: Segment: 0 | |
[2013-03-19 19:39:06] TRACE BlockAccessMapped :: 0 => [0, 0] | |
[2013-03-19 19:39:06] TRACE BlockAccessMapped :: 0 => [0, 0] | |
[2013-03-19 19:39:06] INFO Fuseki :: [1] exec/describe | |
[2013-03-19 19:39:06] DEBUG ConNeg :: Accept request: */* | |
[2013-03-19 19:39:06] DEBUG ConNeg :: Content type chosen: [application/rdf+xml] | |
[2013-03-19 19:39:06] TRACE ResponseResultSet :: Content-Type for response: html; charset=utf-8 | |
[2013-03-19 19:39:06] DEBUG TDB :: Txn[1]/R: finish | |
[2013-03-19 19:39:06] DEBUG LockMRSW :: qtp1339714885-20 >> leaveCS: Thread R/W: 1/0 :: Model R/W: 1/0 (thread: qtp1339714885-20) | |
[2013-03-19 19:39:06] DEBUG LockMRSW :: qtp1339714885-20 << leaveCS: Thread R/W: 0/0 :: Model R/W: 0/0 (thread: qtp1339714885-20) | |
org.apache.jena.riot.RiotException: No graph writer for null | |
at org.apache.jena.riot.RDFDataMgr.createGraphWriter$(RDFDataMgr.java:1106) | |
at org.apache.jena.riot.RDFDataMgr.write$(RDFDataMgr.java:1120) | |
at org.apache.jena.riot.RDFDataMgr.write(RDFDataMgr.java:899) | |
at org.apache.jena.riot.RDFDataMgr.write(RDFDataMgr.java:889) | |
at org.apache.jena.riot.RDFDataMgr.write(RDFDataMgr.java:836) | |
at org.apache.jena.fuseki.servlets.ResponseModel.doResponseModel(ResponseModel.java:119) | |
at org.apache.jena.fuseki.servlets.SPARQL_Query.sendResults(SPARQL_Query.java:349) | |
at org.apache.jena.fuseki.servlets.SPARQL_Query.execute(SPARQL_Query.java:255) | |
at org.apache.jena.fuseki.servlets.SPARQL_Query.executeWithParameter(SPARQL_Query.java:215) | |
at org.apache.jena.fuseki.servlets.SPARQL_Query.perform(SPARQL_Query.java:106) | |
at org.apache.jena.fuseki.servlets.SPARQL_ServletBase.doCommonWorker(SPARQL_ServletBase.java:117) | |
at org.apache.jena.fuseki.servlets.SPARQL_ServletBase.doCommon(SPARQL_ServletBase.java:67) | |
at org.apache.jena.fuseki.servlets.SPARQL_Query.doGet(SPARQL_Query.java:86) | |
at javax.servlet.http.HttpServlet.service(HttpServlet.java:735) | |
at javax.servlet.http.HttpServlet.service(HttpServlet.java:848) | |
at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:669) | |
at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1336) | |
at org.eclipse.jetty.servlets.UserAgentFilter.doFilter(UserAgentFilter.java:82) | |
at org.eclipse.jetty.servlets.GzipFilter.doFilter(GzipFilter.java:264) | |
at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1307) | |
at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:453) | |
at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:229) | |
at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1072) | |
at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:382) | |
at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:193) | |
at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1006) | |
at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:135) | |
at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:116) | |
at org.eclipse.jetty.server.Server.handle(Server.java:365) | |
at org.eclipse.jetty.server.AbstractHttpConnection.handleRequest(AbstractHttpConnection.java:485) | |
at org.eclipse.jetty.server.BlockingHttpConnection.handleRequest(BlockingHttpConnection.java:53) | |
at org.eclipse.jetty.server.AbstractHttpConnection.headerComplete(AbstractHttpConnection.java:926) | |
at org.eclipse.jetty.server.AbstractHttpConnection$RequestHandler.headerComplete(AbstractHttpConnection.java:988) | |
at org.eclipse.jetty.http.HttpParser.parseNext(HttpParser.java:635) | |
at org.eclipse.jetty.http.HttpParser.parseAvailable(HttpParser.java:235) | |
at org.eclipse.jetty.server.BlockingHttpConnection.handle(BlockingHttpConnection.java:72) | |
at org.eclipse.jetty.server.nio.BlockingChannelConnector$BlockingChannelEndPoint.run(BlockingChannelConnector.java:298) | |
at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:608) | |
at org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:543) | |
at java.lang.Thread.run(Thread.java:722) | |
[2013-03-19 19:39:06] INFO Fuseki :: [1] Content-Type html; charset=utf-8 | |
[2013-03-19 19:39:06] INFO Fuseki :: [1] 500 Server Error |
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