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Re: [Bigdata-developers] Exception on basic query
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From: Bryan T. <br...@sy...> - 2015-05-06 16:25:18
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You need to select a namespace on the namespace tab of the workbench. Thanks, Bryan ---- Bryan Thompson Chief Scientist & Founder SYSTAP, LLC 4501 Tower Road Greensboro, NC 27410 br...@sy... http://blazegraph.com http://blog.bigdata.com <http://bigdata.com> http://mapgraph.io Blazegraph™ <http://www.blazegraph.com/> is our ultra high-performance graph database that supports both RDF/SPARQL and Tinkerpop/Blueprints APIs. MapGraph™ <http://www.systap.com/mapgraph> is our disruptive new technology to use GPUs to accelerate data-parallel graph analytics. CONFIDENTIALITY NOTICE: This email and its contents and attachments are for the sole use of the intended recipient(s) and are confidential or proprietary to SYSTAP. Any unauthorized review, use, disclosure, dissemination or copying of this email or its contents or attachments is prohibited. If you have received this communication in error, please notify the sender by reply email and permanently delete all copies of the email and its contents and attachments. On Wed, May 6, 2015 at 11:32 AM, Alex Jouravlev < al...@bu...> wrote: > What would that mean? > > ERROR: SPARQL-QUERY: queryStr=select * where {?s ?p ?o} > java.util.concurrent.ExecutionException: > com.bigdata.rdf.sail.webapp.DatasetNotFoundException: Not found: > namespace=undefined, timestamp=read-committed at > java.util.concurrent.FutureTask.report(Unknown Source) at > java.util.concurrent.FutureTask.get(Unknown Source) at > com.bigdata.rdf.sail.webapp.BigdataServlet.submitApiTask(BigdataServlet.java:261) > at > com.bigdata.rdf.sail.webapp.QueryServlet.doSparqlQuery(QueryServlet.java:532) > at com.bigdata.rdf.sail.webapp.QueryServlet.doPost(QueryServlet.java:189) > at com.bigdata.rdf.sail.webapp.RESTServlet.doPost(RESTServlet.java:237) at > com.bigdata.rdf.sail.webapp.MultiTenancyServlet.doPost(MultiTenancyServlet.java:137) > at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) at > javax.servlet.http.HttpServlet.service(HttpServlet.java:790) at > org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:769) at > org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:585) > at > org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) > at > org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:577) > at > org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:223) > at > org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1125) > at > org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:515) > at > org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:185) > at > org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1059) > at > org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) > at > org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:215) > at > org.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.java:110) > at > org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:97) > at org.eclipse.jetty.server.Server.handle(Server.java:497) at > org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:311) at > org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:248) > at > org.eclipse.jetty.io.AbstractConnection$2.run(AbstractConnection.java:540) > at > org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:610) > at > org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:539) > at java.lang.Thread.run(Unknown Source) Caused by: > com.bigdata.rdf.sail.webapp.DatasetNotFoundException: Not found: > namespace=undefined, timestamp=read-committed at > com.bigdata.rdf.task.AbstractApiTask.getQueryConnection(AbstractApiTask.java:238) > at > com.bigdata.rdf.task.AbstractApiTask.getQueryConnection(AbstractApiTask.java:216) > at > com.bigdata.rdf.sail.webapp.QueryServlet$SparqlQueryTask.call(QueryServlet.java:582) > at > com.bigdata.rdf.sail.webapp.QueryServlet$SparqlQueryTask.call(QueryServlet.java:549) > at > com.bigdata.rdf.task.ApiTaskForIndexManager.call(ApiTaskForIndexManager.java:68) > at java.util.concurrent.FutureTask.run(Unknown Source) at > com.bigdata.rdf.task.AbstractApiTask.submitApiTask(AbstractApiTask.java:365) > at > com.bigdata.rdf.sail.webapp.BigdataServlet.submitApiTask(BigdataServlet.java:258) > ... 26 more > > Alex Jouravlev > Director, Business Abstraction Pty Ltd > Phone: +61-(2)-8003-4830 > Mobile: +61-4-0408-3258 > Web: http://www.businessabstraction.com > LinkedIn: http://au.linkedin.com/in/alexjouravlev/ > > > ------------------------------------------------------------------------------ > One dashboard for servers and applications across Physical-Virtual-Cloud > Widest out-of-the-box monitoring support with 50+ applications > Performance metrics, stats and reports that give you Actionable Insights > Deep dive visibility with transaction tracing using APM Insight. > http://ad.doubleclick.net/ddm/clk/290420510;117567292;y > _______________________________________________ > Bigdata-developers mailing list > Big...@li... > https://lists.sourceforge.net/lists/listinfo/bigdata-developers > > |
