That (using a queue) would depend on what you mean by "a database load going on with our own app". Are you doing those updates singlethreaded?
ajs6f > On Jan 29, 2018, at 10:27 AM, Chris Tomlinson <chris.j.tomlin...@gmail.com> > wrote: > > I don’t have any test code per se. I was running a load tool that we wrote > (code snippets included) and issuing a few simple sparql’s via the fuseki > browser app. That’s the extent of the test harness. > > I don’t see how the set up that I described would make use of a queue. > > Chris > > >> On Jan 29, 2018, at 8:56 AM, ajs6f <aj...@apache.org> wrote: >> >> That might be worth trying, although since TDB1 is MRSW (multiple reader or >> single writer), that queuing of updates should be going on on the >> server-side. >> >> I haven't had time to look at this issue, and it's difficult to say much >> without a reproducible phenomenon. Do you either of y'all have test code we >> can use to demonstrate this? >> >> ajs6f >> >>> On Jan 29, 2018, at 5:43 AM, Mikael Pesonen <mikael.peso...@lingsoft.fi> >>> wrote: >>> >>> >>> Until better solution, quick one would be to put all operations through a >>> single queue? >>> >>> Br >>> >>> On 25.1.2018 4:11, Chris Tomlinson wrote: >>>> Also, >>>> >>>> Here's a link to the fuseki config: >>>> >>>> https://raw.githubusercontent.com/BuddhistDigitalResourceCenter/buda-base/master/conf/fuseki/bdrc-example.ttl >>>> >>>> Chris >>>> >>>>> On Jan 24, 2018, at 17:40, Chris Tomlinson <chris.j.tomlin...@gmail.com> >>>>> wrote: >>>>> >>>>> On the latest 3.7.0-Snapshot (master branch) I also saw repeated >>>>> occurrences of this the other day while running some queries from the >>>>> fuseki browser app and with a database load going on with our own app >>>>> using: >>>>> >>>>> DatasetAccessorFactory.createHTTP(baseUrl+"/data”); >>>>> >>>>> >>>>> with for the first model to transfer: >>>>> >>>>> DatasetAccessor putModel(graphName, m); >>>>> >>>>> and for following models: >>>>> >>>>> static void addToTransferBulk(final String graphName, final Model m) { >>>>> if (currentDataset == null) >>>>> currentDataset = DatasetFactory.createGeneral(); >>>>> currentDataset.addNamedModel(graphName, m); >>>>> triplesInDataset += m.size(); >>>>> if (triplesInDataset > initialLoadBulkSize) { >>>>> try { >>>>> loadDatasetMutex(currentDataset); >>>>> currentDataset = null; >>>>> triplesInDataset = 0; >>>>> } catch (TimeoutException e) { >>>>> e.printStackTrace(); >>>>> return; >>>>> } >>>>> } >>>>> } >>>>> >>>>> as I say the exceptions appeared while I was running some queries from >>>>> from the fuseki browser app: >>>>> >>>>>> [2018-01-22 16:25:02] Fuseki INFO [475] 200 OK (17.050 s) >>>>>> [2018-01-22 16:25:03] Fuseki INFO [477] POST >>>>>> http://localhost:13180/fuseki/bdrcrw >>>>>> [2018-01-22 16:25:03] BindingTDB ERROR get1(?lit) >>>>>> org.apache.jena.tdb.base.file.FileException: In the middle of an >>>>>> alloc-write >>>>>> at >>>>>> org.apache.jena.tdb.base.objectfile.ObjectFileStorage.read(ObjectFileStorage.java:311) >>>>>> at >>>>>> org.apache.jena.tdb.base.objectfile.ObjectFileWrapper.read(ObjectFileWrapper.java:57) >>>>>> at org.apache.jena.tdb.lib.NodeLib.fetchDecode(NodeLib.java:78) >>>>>> at >>>>>> org.apache.jena.tdb.store.nodetable.NodeTableNative.readNodeFromTable(NodeTableNative.java:186) >>>>>> at >>>>>> org.apache.jena.tdb.store.nodetable.NodeTableNative._retrieveNodeByNodeId(NodeTableNative.java:111) >>>>>> at >>>>>> org.apache.jena.tdb.store.nodetable.NodeTableNative.getNodeForNodeId(NodeTableNative.java:70) >>>>>> at >>>>>> org.apache.jena.tdb.store.nodetable.NodeTableCache._retrieveNodeByNodeId(NodeTableCache.java:128) >>>>>> at >>>>>> org.apache.jena.tdb.store.nodetable.NodeTableCache.getNodeForNodeId(NodeTableCache.java:82) >>>>>> at >>>>>> org.apache.jena.tdb.store.nodetable.NodeTableWrapper.getNodeForNodeId(NodeTableWrapper.java:50) >>>>>> at >>>>>> org.apache.jena.tdb.store.nodetable.NodeTableInline.getNodeForNodeId(NodeTableInline.java:67) >>>>>> at org.apache.jena.tdb.solver.BindingTDB.get1(BindingTDB.java:122) >>>>>> at >>>>>> org.apache.jena.sparql.engine.binding.BindingBase.get(BindingBase.java:121) >>>>>> at org.apache.jena.sparql.expr.ExprVar.eval(ExprVar.java:60) >>>>>> at org.apache.jena.sparql.expr.ExprVar.eval(ExprVar.java:53) >>>>>> at org.apache.jena.sparql.expr.ExprNode.eval(ExprNode.java:93) >>>>>> at org.apache.jena.sparql.expr.ExprFunction2.eval(ExprFunction2.java:76) >>>>>> at >>>>>> org.apache.jena.sparql.expr.E_LogicalOr.evalSpecial(E_LogicalOr.java:58) >>>>>> at org.apache.jena.sparql.expr.ExprFunction2.eval(ExprFunction2.java:72) >>>>>> at org.apache.jena.sparql.expr.ExprNode.isSatisfied(ExprNode.java:41) >>>>>> at >>>>>> org.apache.jena.sparql.engine.iterator.QueryIterFilterExpr.accept(QueryIterFilterExpr.java:49) >>>>>> at >>>>>> org.apache.jena.sparql.engine.iterator.QueryIterProcessBinding.hasNextBinding(QueryIterProcessBinding.java:69) >>>>>> at >>>>>> org.apache.jena.sparql.engine.iterator.QueryIteratorBase.hasNext(QueryIteratorBase.java:114) >>>>>> at >>>>>> org.apache.jena.sparql.engine.iterator.QueryIterProcessBinding.hasNextBinding(QueryIterProcessBinding.java:66) >>>>>> at >>>>>> org.apache.jena.sparql.engine.iterator.QueryIteratorBase.hasNext(QueryIteratorBase.java:114) >>>>>> at >>>>>> org.apache.jena.sparql.engine.iterator.QueryIterProcessBinding.hasNextBinding(QueryIterProcessBinding.java:66) >>>>>> at >>>>>> org.apache.jena.sparql.engine.iterator.QueryIteratorBase.hasNext(QueryIteratorBase.java:114) >>>>>> at >>>>>> org.apache.jena.sparql.engine.iterator.QueryIterConcat.hasNextBinding(QueryIterConcat.java:82) >>>>>> at >>>>>> org.apache.jena.sparql.engine.iterator.QueryIteratorBase.hasNext(QueryIteratorBase.java:114) >>>>>> at >>>>>> org.apache.jena.sparql.engine.iterator.QueryIterRepeatApply.hasNextBinding(QueryIterRepeatApply.java:74) >>>>>> at >>>>>> org.apache.jena.sparql.engine.iterator.QueryIteratorBase.hasNext(QueryIteratorBase.java:114) >>>>>> at >>>>>> org.apache.jena.sparql.engine.iterator.QueryIterConvert.hasNextBinding(QueryIterConvert.java:58) >>>>>> at >>>>>> org.apache.jena.sparql.engine.iterator.QueryIteratorBase.hasNext(QueryIteratorBase.java:114) >>>>>> at >>>>>> org.apache.jena.sparql.engine.iterator.QueryIterDistinct.getInputNextUnseen(QueryIterDistinct.java:104) >>>>>> at >>>>>> org.apache.jena.sparql.engine.iterator.QueryIterDistinct.hasNextBinding(QueryIterDistinct.java:70) >>>>>> at >>>>>> org.apache.jena.sparql.engine.iterator.QueryIteratorBase.hasNext(QueryIteratorBase.java:114) >>>>>> at >>>>>> org.apache.jena.sparql.engine.iterator.QueryIteratorWrapper.hasNextBinding(QueryIteratorWrapper.java:39) >>>>>> at >>>>>> org.apache.jena.sparql.engine.iterator.QueryIteratorBase.hasNext(QueryIteratorBase.java:114) >>>>>> at >>>>>> org.apache.jena.sparql.engine.iterator.QueryIteratorWrapper.hasNextBinding(QueryIteratorWrapper.java:39) >>>>>> at >>>>>> org.apache.jena.sparql.engine.iterator.QueryIteratorBase.hasNext(QueryIteratorBase.java:114) >>>>>> at >>>>>> org.apache.jena.sparql.engine.iterator.QueryIteratorWrapper.hasNextBinding(QueryIteratorWrapper.java:39) >>>>>> at >>>>>> org.apache.jena.sparql.engine.iterator.QueryIteratorBase.hasNext(QueryIteratorBase.java:114) >>>>>> at >>>>>> org.apache.jena.sparql.engine.ResultSetStream.hasNext(ResultSetStream.java:74) >>>>>> at >>>>>> org.apache.jena.sparql.engine.ResultSetCheckCondition.hasNext(ResultSetCheckCondition.java:55) >>>>>> at >>>>>> org.apache.jena.sparql.resultset.ResultSetApply.apply(ResultSetApply.java:38) >>>>>> at >>>>>> org.apache.jena.riot.resultset.rw.ResultSetWriterJSON.write(ResultSetWriterJSON.java:82) >>>>>> at >>>>>> org.apache.jena.riot.resultset.rw.ResultsWriter.write(ResultsWriter.java:125) >>>>>> at >>>>>> org.apache.jena.riot.resultset.rw.ResultsWriter.write(ResultsWriter.java:95) >>>>>> at >>>>>> org.apache.jena.fuseki.servlets.ResponseResultSet.lambda$1(ResponseResultSet.java:210) >>>>>> at >>>>>> org.apache.jena.fuseki.servlets.ResponseResultSet.output(ResponseResultSet.java:226) >>>>>> at >>>>>> org.apache.jena.fuseki.servlets.ResponseResultSet.generalOutput(ResponseResultSet.java:216) >>>>>> at >>>>>> org.apache.jena.fuseki.servlets.ResponseResultSet.doResponseResultSet$(ResponseResultSet.java:177) >>>>>> at >>>>>> org.apache.jena.fuseki.servlets.ResponseResultSet.doResponseResultSet(ResponseResultSet.java:86) >>>>>> at >>>>>> org.apache.jena.fuseki.servlets.SPARQL_Query.sendResults(SPARQL_Query.java:389) >>>>>> at >>>>>> org.apache.jena.fuseki.servlets.SPARQL_Query.execute(SPARQL_Query.java:268) >>>>>> at >>>>>> org.apache.jena.fuseki.servlets.SPARQL_Query.executeWithParameter(SPARQL_Query.java:224) >>>>>> at >>>>>> org.apache.jena.fuseki.servlets.SPARQL_Query.perform(SPARQL_Query.java:199) >>>>>> at >>>>>> org.apache.jena.fuseki.servlets.ActionService.executeLifecycle(ActionService.java:192) >>>>>> at >>>>>> org.apache.jena.fuseki.servlets.ActionService.execCommonWorker(ActionService.java:106) >>>>>> at >>>>>> org.apache.jena.fuseki.servlets.ActionBase.doCommon(ActionBase.java:73) >>>>>> at >>>>>> org.apache.jena.fuseki.servlets.FusekiFilter.doFilter(FusekiFilter.java:73) >>>>>> at >>>>>> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:240) >>>>>> at >>>>>> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:207) >>>>>> at >>>>>> org.apache.shiro.web.servlet.ProxiedFilterChain.doFilter(ProxiedFilterChain.java:61) >>>>>> at >>>>>> org.apache.shiro.web.servlet.AdviceFilter.executeChain(AdviceFilter.java:108) >>>>>> at >>>>>> org.apache.shiro.web.servlet.AdviceFilter.doFilterInternal(AdviceFilter.java:137) >>>>>> at >>>>>> org.apache.shiro.web.servlet.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:125) >>>>>> at >>>>>> org.apache.shiro.web.servlet.ProxiedFilterChain.doFilter(ProxiedFilterChain.java:66) >>>>>> at >>>>>> org.apache.shiro.web.servlet.AbstractShiroFilter.executeChain(AbstractShiroFilter.java:449) >>>>>> at >>>>>> org.apache.shiro.web.servlet.AbstractShiroFilter$1.call(AbstractShiroFilter.java:365) >>>>>> at >>>>>> org.apache.shiro.subject.support.SubjectCallable.doCall(SubjectCallable.java:90) >>>>>> at >>>>>> org.apache.shiro.subject.support.SubjectCallable.call(SubjectCallable.java:83) >>>>>> at >>>>>> org.apache.shiro.subject.support.DelegatingSubject.execute(DelegatingSubject.java:383) >>>>>> at >>>>>> org.apache.shiro.web.servlet.AbstractShiroFilter.doFilterInternal(AbstractShiroFilter.java:362) >>>>>> at >>>>>> org.apache.shiro.web.servlet.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:125) >>>>>> at >>>>>> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:240) >>>>>> at >>>>>> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:207) >>>>>> at >>>>>> org.apache.jena.fuseki.servlets.CrossOriginFilter.handle(CrossOriginFilter.java:285) >>>>>> at >>>>>> org.apache.jena.fuseki.servlets.CrossOriginFilter.doFilter(CrossOriginFilter.java:248) >>>>>> at >>>>>> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:240) >>>>>> at >>>>>> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:207) >>>>>> at >>>>>> org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:212) >>>>>> at >>>>>> org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:94) >>>>>> at >>>>>> org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:504) >>>>>> at >>>>>> org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:141) >>>>>> at >>>>>> org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:79) >>>>>> at >>>>>> org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:620) >>>>>> at >>>>>> org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:88) >>>>>> at >>>>>> org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:502) >>>>>> at >>>>>> org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1104) >>>>>> at >>>>>> org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:684) >>>>>> at >>>>>> org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1519) >>>>>> at >>>>>> org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.run(NioEndpoint.java:1475) >>>>>> at >>>>>> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) >>>>>> at >>>>>> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) >>>>>> at >>>>>> org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) >>>>>> at java.lang.Thread.run(Thread.java:748) >>>>>> [2018-01-22 16:25:03] BindingTDB ERROR get1(?lit) >>>>>> org.apache.jena.tdb.base.file.FileException: In the middle of an >>>>>> alloc-write >>>>>> at >>>>>> org.apache.jena.tdb.base.objectfile.ObjectFileStorage.read(ObjectFileStorage.java:311) >>>>>> at >>>>>> org.apache.jena.tdb.base.objectfile.ObjectFileWrapper.read(ObjectFileWrapper.java:57) >>>>>> at org.apache.jena.tdb.lib.NodeLib.fetchDecode(NodeLib.java:78) >>>>>> at >>>>>> org.apache.jena.tdb.store.nodetable.NodeTableNative.readNodeFromTable(NodeTableNative.java:186) >>>>>> at >>>>>> org.apache.jena.tdb.store.nodetable.NodeTableNative._retrieveNodeByNodeId(NodeTableNative.java:111) >>>>>> at >>>>>> org.apache.jena.tdb.store.nodetable.NodeTableNative.getNodeForNodeId(NodeTableNative.java:70) >>>>>> at >>>>>> org.apache.jena.tdb.store.nodetable.NodeTableCache._retrieveNodeByNodeId(NodeTableCache.java:128) >>>>>> at >>>>>> org.apache.jena.tdb.store.nodetable.NodeTableCache.getNodeForNodeId(NodeTableCache.java:82) >>>>>> at >>>>>> org.apache.jena.tdb.store.nodetable.NodeTableWrapper.getNodeForNodeId(NodeTableWrapper.java:50) >>>>>> at >>>>>> org.apache.jena.tdb.store.nodetable.NodeTableInline.getNodeForNodeId(NodeTableInline.java:67) >>>>>> at org.apache.jena.tdb.solver.BindingTDB.get1(BindingTDB.java:122) >>>>>> at >>>>>> org.apache.jena.sparql.engine.binding.BindingBase.get(BindingBase.java:121) >>>>>> at org.apache.jena.sparql.expr.ExprVar.eval(ExprVar.java:60) >>>>>> at org.apache.jena.sparql.expr.ExprVar.eval(ExprVar.java:53) >>>>>> at org.apache.jena.sparql.expr.ExprNode.eval(ExprNode.java:93) >>>>>> at org.apache.jena.sparql.expr.ExprFunction2.eval(ExprFunction2.java:76) >>>>>> at >>>>>> org.apache.jena.sparql.expr.E_LogicalOr.evalSpecial(E_LogicalOr.java:58) >>>>>> at org.apache.jena.sparql.expr.ExprFunction2.eval(ExprFunction2.java:72) >>>>>> at org.apache.jena.sparql.expr.ExprNode.isSatisfied(ExprNode.java:41) >>>>>> at >>>>>> org.apache.jena.sparql.engine.iterator.QueryIterFilterExpr.accept(QueryIterFilterExpr.java:49) >>>>>> at >>>>>> org.apache.jena.sparql.engine.iterator.QueryIterProcessBinding.hasNextBinding(QueryIterProcessBinding.java:69) >>>>>> at >>>>>> org.apache.jena.sparql.engine.iterator.QueryIteratorBase.hasNext(QueryIteratorBase.java:114) >>>>>> at >>>>>> org.apache.jena.sparql.engine.iterator.QueryIterProcessBinding.hasNextBinding(QueryIterProcessBinding.java:66) >>>>>> at >>>>>> org.apache.jena.sparql.engine.iterator.QueryIteratorBase.hasNext(QueryIteratorBase.java:114) >>>>>> at >>>>>> org.apache.jena.sparql.engine.iterator.QueryIterProcessBinding.hasNextBinding(QueryIterProcessBinding.java:66) >>>>>> at >>>>>> org.apache.jena.sparql.engine.iterator.QueryIteratorBase.hasNext(QueryIteratorBase.java:114) >>>>>> at >>>>>> org.apache.jena.sparql.engine.iterator.QueryIterConcat.hasNextBinding(QueryIterConcat.java:82) >>>>>> at >>>>>> org.apache.jena.sparql.engine.iterator.QueryIteratorBase.hasNext(QueryIteratorBase.java:114) >>>>>> at >>>>>> org.apache.jena.sparql.engine.iterator.QueryIterRepeatApply.hasNextBinding(QueryIterRepeatApply.java:74) >>>>>> at >>>>>> org.apache.jena.sparql.engine.iterator.QueryIteratorBase.hasNext(QueryIteratorBase.java:114) >>>>>> at >>>>>> org.apache.jena.sparql.engine.iterator.QueryIterConvert.hasNextBinding(QueryIterConvert.java:58) >>>>>> at >>>>>> org.apache.jena.sparql.engine.iterator.QueryIteratorBase.hasNext(QueryIteratorBase.java:114) >>>>>> at >>>>>> org.apache.jena.sparql.engine.iterator.QueryIterDistinct.getInputNextUnseen(QueryIterDistinct.java:104) >>>>>> at >>>>>> org.apache.jena.sparql.engine.iterator.QueryIterDistinct.hasNextBinding(QueryIterDistinct.java:70) >>>>>> at >>>>>> org.apache.jena.sparql.engine.iterator.QueryIteratorBase.hasNext(QueryIteratorBase.java:114) >>>>>> at >>>>>> org.apache.jena.sparql.engine.iterator.QueryIteratorWrapper.hasNextBinding(QueryIteratorWrapper.java:39) >>>>>> at >>>>>> org.apache.jena.sparql.engine.iterator.QueryIteratorBase.hasNext(QueryIteratorBase.java:114) >>>>>> at >>>>>> org.apache.jena.sparql.engine.iterator.QueryIteratorWrapper.hasNextBinding(QueryIteratorWrapper.java:39) >>>>>> at >>>>>> org.apache.jena.sparql.engine.iterator.QueryIteratorBase.hasNext(QueryIteratorBase.java:114) >>>>>> at >>>>>> org.apache.jena.sparql.engine.iterator.QueryIteratorWrapper.hasNextBinding(QueryIteratorWrapper.java:39) >>>>>> at >>>>>> org.apache.jena.sparql.engine.iterator.QueryIteratorBase.hasNext(QueryIteratorBase.java:114) >>>>>> at >>>>>> org.apache.jena.sparql.engine.ResultSetStream.hasNext(ResultSetStream.java:74) >>>>>> at >>>>>> org.apache.jena.sparql.engine.ResultSetCheckCondition.hasNext(ResultSetCheckCondition.java:55) >>>>>> at >>>>>> org.apache.jena.sparql.resultset.ResultSetApply.apply(ResultSetApply.java:38) >>>>>> at >>>>>> org.apache.jena.riot.resultset.rw.ResultSetWriterJSON.write(ResultSetWriterJSON.java:82) >>>>>> at >>>>>> org.apache.jena.riot.resultset.rw.ResultsWriter.write(ResultsWriter.java:125) >>>>>> at >>>>>> org.apache.jena.riot.resultset.rw.ResultsWriter.write(ResultsWriter.java:95) >>>>>> at >>>>>> org.apache.jena.fuseki.servlets.ResponseResultSet.lambda$1(ResponseResultSet.java:210) >>>>>> at >>>>>> org.apache.jena.fuseki.servlets.ResponseResultSet.output(ResponseResultSet.java:226) >>>>>> at >>>>>> org.apache.jena.fuseki.servlets.ResponseResultSet.generalOutput(ResponseResultSet.java:216) >>>>>> at >>>>>> org.apache.jena.fuseki.servlets.ResponseResultSet.doResponseResultSet$(ResponseResultSet.java:177) >>>>>> at >>>>>> org.apache.jena.fuseki.servlets.ResponseResultSet.doResponseResultSet(ResponseResultSet.java:86) >>>>>> at >>>>>> org.apache.jena.fuseki.servlets.SPARQL_Query.sendResults(SPARQL_Query.java:389) >>>>>> at >>>>>> org.apache.jena.fuseki.servlets.SPARQL_Query.execute(SPARQL_Query.java:268) >>>>>> at >>>>>> org.apache.jena.fuseki.servlets.SPARQL_Query.executeWithParameter(SPARQL_Query.java:224) >>>>>> at >>>>>> org.apache.jena.fuseki.servlets.SPARQL_Query.perform(SPARQL_Query.java:199) >>>>>> at >>>>>> org.apache.jena.fuseki.servlets.ActionService.executeLifecycle(ActionService.java:192) >>>>>> at >>>>>> org.apache.jena.fuseki.servlets.ActionService.execCommonWorker(ActionService.java:106) >>>>>> at >>>>>> org.apache.jena.fuseki.servlets.ActionBase.doCommon(ActionBase.java:73) >>>>>> at >>>>>> org.apache.jena.fuseki.servlets.FusekiFilter.doFilter(FusekiFilter.java:73) >>>>>> at >>>>>> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:240) >>>>>> at >>>>>> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:207) >>>>>> at >>>>>> org.apache.shiro.web.servlet.ProxiedFilterChain.doFilter(ProxiedFilterChain.java:61) >>>>>> at >>>>>> org.apache.shiro.web.servlet.AdviceFilter.executeChain(AdviceFilter.java:108) >>>>>> at >>>>>> org.apache.shiro.web.servlet.AdviceFilter.doFilterInternal(AdviceFilter.java:137) >>>>>> at >>>>>> org.apache.shiro.web.servlet.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:125) >>>>>> at >>>>>> org.apache.shiro.web.servlet.ProxiedFilterChain.doFilter(ProxiedFilterChain.java:66) >>>>>> at >>>>>> org.apache.shiro.web.servlet.AbstractShiroFilter.executeChain(AbstractShiroFilter.java:449) >>>>>> at >>>>>> org.apache.shiro.web.servlet.AbstractShiroFilter$1.call(AbstractShiroFilter.java:365) >>>>>> at >>>>>> org.apache.shiro.subject.support.SubjectCallable.doCall(SubjectCallable.java:90) >>>>>> at >>>>>> org.apache.shiro.subject.support.SubjectCallable.call(SubjectCallable.java:83) >>>>>> at >>>>>> org.apache.shiro.subject.support.DelegatingSubject.execute(DelegatingSubject.java:383) >>>>>> at >>>>>> org.apache.shiro.web.servlet.AbstractShiroFilter.doFilterInternal(AbstractShiroFilter.java:362) >>>>>> at >>>>>> org.apache.shiro.web.servlet.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:125) >>>>>> at >>>>>> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:240) >>>>>> at >>>>>> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:207) >>>>>> at >>>>>> org.apache.jena.fuseki.servlets.CrossOriginFilter.handle(CrossOriginFilter.java:285) >>>>>> at >>>>>> org.apache.jena.fuseki.servlets.CrossOriginFilter.doFilter(CrossOriginFilter.java:248) >>>>>> at >>>>>> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:240) >>>>>> at >>>>>> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:207) >>>>>> at >>>>>> org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:212) >>>>>> at >>>>>> org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:94) >>>>>> at >>>>>> org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:504) >>>>>> at >>>>>> org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:141) >>>>>> at >>>>>> org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:79) >>>>>> at >>>>>> org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:620) >>>>>> at >>>>>> org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:88) >>>>>> at >>>>>> org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:502) >>>>>> at >>>>>> org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1104) >>>>>> at >>>>>> org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:684) >>>>>> at >>>>>> org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1519) >>>>>> at >>>>>> org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.run(NioEndpoint.java:1475) >>>>>> at >>>>>> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) >>>>>> at >>>>>> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) >>>>>> at >>>>>> org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) >>>>>> at java.lang.Thread.run(Thread.java:748) >>>>>> [2018-01-22 16:25:03] BindingTDB ERROR get1(?lit) >>>>>> org.apache.jena.tdb.base.file.FileException: In the middle of an >>>>>> alloc-write >>>>>> at >>>>>> org.apache.jena.tdb.base.objectfile.ObjectFileStorage.read(ObjectFileStorage.java:311) >>>>>> at >>>>>> org.apache.jena.tdb.base.objectfile.ObjectFileWrapper.read(ObjectFileWrapper.java:57) >>>>>> at org.apache.jena.tdb.lib.NodeLib.fetchDecode(NodeLib.java:78) >>>>>> at >>>>>> org.apache.jena.tdb.store.nodetable.NodeTableNative.readNodeFromTable(NodeTableNative.java:186) >>>>>> at >>>>>> org.apache.jena.tdb.store.nodetable.NodeTableNative._retrieveNodeByNodeId(NodeTableNative.java:111) >>>>>> at >>>>>> org.apache.jena.tdb.store.nodetable.NodeTableNative.getNodeForNodeId(NodeTableNative.java:70) >>>>>> at >>>>>> org.apache.jena.tdb.store.nodetable.NodeTableCache._retrieveNodeByNodeId(NodeTableCache.java:128) >>>>>> at >>>>>> org.apache.jena.tdb.store.nodetable.NodeTableCache.getNodeForNodeId(NodeTableCache.java:82) >>>>>> at >>>>>> org.apache.jena.tdb.store.nodetable.NodeTableWrapper.getNodeForNodeId(NodeTableWrapper.java:50) >>>>>> at >>>>>> org.apache.jena.tdb.store.nodetable.NodeTableInline.getNodeForNodeId(NodeTableInline.java:67) >>>>>> at org.apache.jena.tdb.solver.BindingTDB.get1(BindingTDB.java:122) >>>>>> at >>>>>> org.apache.jena.sparql.engine.binding.BindingBase.get(BindingBase.java:121) >>>>>> at org.apache.jena.sparql.expr.ExprVar.eval(ExprVar.java:60) >>>>>> at org.apache.jena.sparql.expr.ExprVar.eval(ExprVar.java:53) >>>>>> at org.apache.jena.sparql.expr.ExprNode.eval(ExprNode.java:93) >>>>>> at org.apache.jena.sparql.expr.ExprFunction2.eval(ExprFunction2.java:76) >>>>>> at >>>>>> org.apache.jena.sparql.expr.E_LogicalOr.evalSpecial(E_LogicalOr.java:58) >>>>>> at org.apache.jena.sparql.expr.ExprFunction2.eval(ExprFunction2.java:72) >>>>>> at org.apache.jena.sparql.expr.ExprNode.isSatisfied(ExprNode.java:41) >>>>>> at >>>>>> org.apache.jena.sparql.engine.iterator.QueryIterFilterExpr.accept(QueryIterFilterExpr.java:49) >>>>>> at >>>>>> org.apache.jena.sparql.engine.iterator.QueryIterProcessBinding.hasNextBinding(QueryIterProcessBinding.java:69) >>>>>> at >>>>>> org.apache.jena.sparql.engine.iterator.QueryIteratorBase.hasNext(QueryIteratorBase.java:114) >>>>>> at >>>>>> org.apache.jena.sparql.engine.iterator.QueryIterProcessBinding.hasNextBinding(QueryIterProcessBinding.java:66) >>>>>> at >>>>>> org.apache.jena.sparql.engine.iterator.QueryIteratorBase.hasNext(QueryIteratorBase.java:114) >>>>>> at >>>>>> org.apache.jena.sparql.engine.iterator.QueryIterProcessBinding.hasNextBinding(QueryIterProcessBinding.java:66) >>>>>> at >>>>>> org.apache.jena.sparql.engine.iterator.QueryIteratorBase.hasNext(QueryIteratorBase.java:114) >>>>>> at >>>>>> org.apache.jena.sparql.engine.iterator.QueryIterConcat.hasNextBinding(QueryIterConcat.java:82) >>>>>> at >>>>>> org.apache.jena.sparql.engine.iterator.QueryIteratorBase.hasNext(QueryIteratorBase.java:114) >>>>>> at >>>>>> org.apache.jena.sparql.engine.iterator.QueryIterRepeatApply.hasNextBinding(QueryIterRepeatApply.java:74) >>>>>> at >>>>>> org.apache.jena.sparql.engine.iterator.QueryIteratorBase.hasNext(QueryIteratorBase.java:114) >>>>>> at >>>>>> org.apache.jena.sparql.engine.iterator.QueryIterConvert.hasNextBinding(QueryIterConvert.java:58) >>>>>> at >>>>>> org.apache.jena.sparql.engine.iterator.QueryIteratorBase.hasNext(QueryIteratorBase.java:114) >>>>>> at >>>>>> org.apache.jena.sparql.engine.iterator.QueryIterDistinct.getInputNextUnseen(QueryIterDistinct.java:104) >>>>>> at >>>>>> org.apache.jena.sparql.engine.iterator.QueryIterDistinct.hasNextBinding(QueryIterDistinct.java:70) >>>>>> at >>>>>> org.apache.jena.sparql.engine.iterator.QueryIteratorBase.hasNext(QueryIteratorBase.java:114) >>>>>> at >>>>>> org.apache.jena.sparql.engine.iterator.QueryIteratorWrapper.hasNextBinding(QueryIteratorWrapper.java:39) >>>>>> at >>>>>> org.apache.jena.sparql.engine.iterator.QueryIteratorBase.hasNext(QueryIteratorBase.java:114) >>>>>> at >>>>>> org.apache.jena.sparql.engine.iterator.QueryIteratorWrapper.hasNextBinding(QueryIteratorWrapper.java:39) >>>>>> at >>>>>> org.apache.jena.sparql.engine.iterator.QueryIteratorBase.hasNext(QueryIteratorBase.java:114) >>>>>> at >>>>>> org.apache.jena.sparql.engine.iterator.QueryIteratorWrapper.hasNextBinding(QueryIteratorWrapper.java:39) >>>>>> at >>>>>> org.apache.jena.sparql.engine.iterator.QueryIteratorBase.hasNext(QueryIteratorBase.java:114) >>>>>> at >>>>>> org.apache.jena.sparql.engine.ResultSetStream.hasNext(ResultSetStream.java:74) >>>>>> at >>>>>> org.apache.jena.sparql.engine.ResultSetCheckCondition.hasNext(ResultSetCheckCondition.java:55) >>>>>> at >>>>>> org.apache.jena.sparql.resultset.ResultSetApply.apply(ResultSetApply.java:38) >>>>>> at >>>>>> org.apache.jena.riot.resultset.rw.ResultSetWriterJSON.write(ResultSetWriterJSON.java:82) >>>>>> at >>>>>> org.apache.jena.riot.resultset.rw.ResultsWriter.write(ResultsWriter.java:125) >>>>>> at >>>>>> org.apache.jena.riot.resultset.rw.ResultsWriter.write(ResultsWriter.java:95) >>>>>> at >>>>>> org.apache.jena.fuseki.servlets.ResponseResultSet.lambda$1(ResponseResultSet.java:210) >>>>>> at >>>>>> org.apache.jena.fuseki.servlets.ResponseResultSet.output(ResponseResultSet.java:226) >>>>>> at >>>>>> org.apache.jena.fuseki.servlets.ResponseResultSet.generalOutput(ResponseResultSet.java:216) >>>>>> at >>>>>> org.apache.jena.fuseki.servlets.ResponseResultSet.doResponseResultSet$(ResponseResultSet.java:177) >>>>>> at >>>>>> org.apache.jena.fuseki.servlets.ResponseResultSet.doResponseResultSet(ResponseResultSet.java:86) >>>>>> at >>>>>> org.apache.jena.fuseki.servlets.SPARQL_Query.sendResults(SPARQL_Query.java:389) >>>>>> at >>>>>> org.apache.jena.fuseki.servlets.SPARQL_Query.execute(SPARQL_Query.java:268) >>>>>> at >>>>>> org.apache.jena.fuseki.servlets.SPARQL_Query.executeWithParameter(SPARQL_Query.java:224) >>>>>> at >>>>>> org.apache.jena.fuseki.servlets.SPARQL_Query.perform(SPARQL_Query.java:199) >>>>>> at >>>>>> org.apache.jena.fuseki.servlets.ActionService.executeLifecycle(ActionService.java:192) >>>>>> at >>>>>> org.apache.jena.fuseki.servlets.ActionService.execCommonWorker(ActionService.java:106) >>>>>> at >>>>>> org.apache.jena.fuseki.servlets.ActionBase.doCommon(ActionBase.java:73) >>>>>> at >>>>>> org.apache.jena.fuseki.servlets.FusekiFilter.doFilter(FusekiFilter.java:73) >>>>>> at >>>>>> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:240) >>>>>> at >>>>>> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:207) >>>>>> at >>>>>> org.apache.shiro.web.servlet.ProxiedFilterChain.doFilter(ProxiedFilterChain.java:61) >>>>>> at >>>>>> org.apache.shiro.web.servlet.AdviceFilter.executeChain(AdviceFilter.java:108) >>>>>> at >>>>>> org.apache.shiro.web.servlet.AdviceFilter.doFilterInternal(AdviceFilter.java:137) >>>>>> at >>>>>> org.apache.shiro.web.servlet.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:125) >>>>>> at >>>>>> org.apache.shiro.web.servlet.ProxiedFilterChain.doFilter(ProxiedFilterChain.java:66) >>>>>> at >>>>>> org.apache.shiro.web.servlet.AbstractShiroFilter.executeChain(AbstractShiroFilter.java:449) >>>>>> at >>>>>> org.apache.shiro.web.servlet.AbstractShiroFilter$1.call(AbstractShiroFilter.java:365) >>>>>> at >>>>>> org.apache.shiro.subject.support.SubjectCallable.doCall(SubjectCallable.java:90) >>>>>> at >>>>>> org.apache.shiro.subject.support.SubjectCallable.call(SubjectCallable.java:83) >>>>>> at >>>>>> org.apache.shiro.subject.support.DelegatingSubject.execute(DelegatingSubject.java:383) >>>>>> at >>>>>> org.apache.shiro.web.servlet.AbstractShiroFilter.doFilterInternal(AbstractShiroFilter.java:362) >>>>>> at >>>>>> org.apache.shiro.web.servlet.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:125) >>>>>> at >>>>>> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:240) >>>>>> at >>>>>> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:207) >>>>>> at >>>>>> org.apache.jena.fuseki.servlets.CrossOriginFilter.handle(CrossOriginFilter.java:285) >>>>>> at >>>>>> org.apache.jena.fuseki.servlets.CrossOriginFilter.doFilter(CrossOriginFilter.java:248) >>>>>> at >>>>>> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:240) >>>>>> at >>>>>> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:207) >>>>>> at >>>>>> org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:212) >>>>>> at >>>>>> org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:94) >>>>>> at >>>>>> org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:504) >>>>>> at >>>>>> org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:141) >>>>>> at >>>>>> org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:79) >>>>>> at >>>>>> org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:620) >>>>>> at >>>>>> org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:88) >>>>>> at >>>>>> org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:502) >>>>>> at >>>>>> org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1104) >>>>>> at >>>>>> org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:684) >>>>>> at >>>>>> org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1519) >>>>>> at >>>>>> org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.run(NioEndpoint.java:1475) >>>>>> at >>>>>> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) >>>>>> at >>>>>> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) >>>>>> at >>>>>> org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) >>>>>> at java.lang.Thread.run(Thread.java:748) >>>>> >>>>> >>>>> >>>>> >>>>> >>>>> >>>>> >>>>> >>>>> >>>>> >>>>> >>>>>> On Jan 24, 2018, at 10:31 AM, Mikael Pesonen >>>>>> <mikael.peso...@lingsoft.fi> wrote: >>>>>> >>>>>> >>>>>> And running the test set with 1 concurrent loop, it was repeated 10000 >>>>>> times without errors. So error occurs only with more than one concurrent >>>>>> operations. >>>>>> >>>>>>> On 24.1.2018 17:40, ajs6f wrote: >>>>>>> Please show your code, including Fuseki config. It's hard to diagnose >>>>>>> what is going wrong when we don't know what is supposed to happen. >>>>>>> >>>>>>> ajs6f >>>>>>> >>>>>>>> On Jan 24, 2018, at 10:26 AM, Mikael Pesonen >>>>>>>> <mikael.peso...@lingsoft.fi> wrote: >>>>>>>> >>>>>>>> >>>>>>>> Hi, >>>>>>>> >>>>>>>> I have a test script running 10 concurrent CRUD operations in a loop. >>>>>>>> After few operations I get HTTP error 500 and these are in fuseki >>>>>>>> server output. Am I doing something wrong here? >>>>>>>> >>>>>>>> [2018-01-24 17:16:53] BindingTDB ERROR get1(?o) >>>>>>>> org.apache.jena.tdb.base.file.FileException: >>>>>>>> ObjectFileStorage.read[nodes](491421708)[filesize=495059272][file.size()=495059272]: >>>>>>>> Failed to read the length : got 0 bytes >>>>>>>> at >>>>>>>> org.apache.jena.tdb.base.objectfile.ObjectFileStorage.read(ObjectFileStorage.java:341) >>>>>>>> at >>>>>>>> org.apache.jena.tdb.base.objectfile.ObjectFileWrapper.read(ObjectFileWrapper.java:57) >>>>>>>> at org.apache.jena.tdb.lib.NodeLib.fetchDecode(NodeLib.java:78) >>>>>>>> at >>>>>>>> org.apache.jena.tdb.store.nodetable.NodeTableNative.readNodeFromTable(NodeTableNative.java:186) >>>>>>>> at >>>>>>>> org.apache.jena.tdb.store.nodetable.NodeTableNative._retrieveNodeByNodeId(NodeTableNative.java:111) >>>>>>>> at >>>>>>>> org.apache.jena.tdb.store.nodetable.NodeTableNative.getNodeForNodeId(NodeTableNative.java:70) >>>>>>>> at >>>>>>>> org.apache.jena.tdb.store.nodetable.NodeTableCache._retrieveNodeByNodeId(NodeTableCache.java:128) >>>>>>>> at >>>>>>>> org.apache.jena.tdb.store.nodetable.NodeTableCache.getNodeForNodeId(NodeTableCache.java:82) >>>>>>>> at >>>>>>>> org.apache.jena.tdb.store.nodetable.NodeTableWrapper.getNodeForNodeId(NodeTableWrapper.java:50) >>>>>>>> at >>>>>>>> org.apache.jena.tdb.store.nodetable.NodeTableInline.getNodeForNodeId(NodeTableInline.java:67) >>>>>>>> at org.apache.jena.tdb.solver.BindingTDB.get1(BindingTDB.java:122) >>>>>>>> at >>>>>>>> org.apache.jena.sparql.engine.binding.BindingBase.get(BindingBase.java:121) >>>>>>>> at >>>>>>>> org.apache.jena.sparql.engine.binding.BindingFactory.materialize(BindingFactory.java:60) >>>>>>>> at >>>>>>>> org.apache.jena.tdb.solver.QueryEngineTDB$QueryIteratorMaterializeBinding.moveToNextBinding(QueryEngineTDB.java:131) >>>>>>>> at >>>>>>>> org.apache.jena.sparql.engine.iterator.QueryIteratorBase.nextBinding(QueryIteratorBase.java:156) >>>>>>>> at >>>>>>>> org.apache.jena.sparql.engine.iterator.QueryIteratorWrapper.moveToNextBinding(QueryIteratorWrapper.java:42) >>>>>>>> at >>>>>>>> org.apache.jena.sparql.engine.iterator.QueryIteratorBase.nextBinding(QueryIteratorBase.java:156) >>>>>>>> at >>>>>>>> org.apache.jena.sparql.engine.iterator.QueryIteratorBase.next(QueryIteratorBase.java:131) >>>>>>>> at >>>>>>>> org.apache.jena.sparql.engine.iterator.QueryIteratorBase.next(QueryIteratorBase.java:40) >>>>>>>> at org.apache.jena.atlas.iterator.Iter$2.next(Iter.java:270) >>>>>>>> at >>>>>>>> org.apache.jena.ext.com.google.common.collect.MultitransformedIterator.hasNext(MultitransformedIterator.java:52) >>>>>>>> at >>>>>>>> org.apache.jena.ext.com.google.common.collect.MultitransformedIterator.hasNext(MultitransformedIterator.java:50) >>>>>>>> at java.util.Iterator.forEachRemaining(Iterator.java:115) >>>>>>>> at >>>>>>>> org.apache.jena.sparql.engine.QueryExecutionBase.execConstructDataset(QueryExecutionBase.java:243) >>>>>>>> at >>>>>>>> org.apache.jena.sparql.engine.QueryExecutionBase.execConstructDataset(QueryExecutionBase.java:236) >>>>>>>> at >>>>>>>> org.apache.jena.fuseki.servlets.SPARQL_Query.executeQuery(SPARQL_Query.java:331) >>>>>>>> at >>>>>>>> org.apache.jena.fuseki.servlets.SPARQL_Query.execute(SPARQL_Query.java:270) >>>>>>>> at >>>>>>>> org.apache.jena.fuseki.servlets.SPARQL_Query.executeBody(SPARQL_Query.java:239) >>>>>>>> at >>>>>>>> org.apache.jena.fuseki.servlets.SPARQL_Query.perform(SPARQL_Query.java:219) >>>>>>>> at >>>>>>>> org.apache.jena.fuseki.servlets.ActionSPARQL.executeLifecycle(ActionSPARQL.java:132) >>>>>>>> at >>>>>>>> org.apache.jena.fuseki.servlets.SPARQL_UberServlet.executeRequest(SPARQL_UberServlet.java:356) >>>>>>>> at >>>>>>>> org.apache.jena.fuseki.servlets.SPARQL_UberServlet.executeAction(SPARQL_UberServlet.java:220) >>>>>>>> at >>>>>>>> org.apache.jena.fuseki.servlets.ActionSPARQL.execCommonWorker(ActionSPARQL.java:83) >>>>>>>> at >>>>>>>> org.apache.jena.fuseki.servlets.ActionBase.doCommon(ActionBase.java:82) >>>>>>>> at >>>>>>>> org.apache.jena.fuseki.servlets.FusekiFilter.doFilter(FusekiFilter.java:73) >>>>>>>> at >>>>>>>> org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1637) >>>>>>>> at >>>>>>>> org.apache.shiro.web.servlet.ProxiedFilterChain.doFilter(ProxiedFilterChain.java:61) >>>>>>>> at >>>>>>>> org.apache.shiro.web.servlet.AdviceFilter.executeChain(AdviceFilter.java:108) >>>>>>>> at >>>>>>>> org.apache.shiro.web.servlet.AdviceFilter.doFilterInternal(AdviceFilter.java:137) >>>>>>>> at >>>>>>>> org.apache.shiro.web.servlet.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:125) >>>>>>>> at >>>>>>>> org.apache.shiro.web.servlet.ProxiedFilterChain.doFilter(ProxiedFilterChain.java:66) >>>>>>>> at >>>>>>>> org.apache.shiro.web.servlet.AbstractShiroFilter.executeChain(AbstractShiroFilter.java:449) >>>>>>>> at >>>>>>>> org.apache.shiro.web.servlet.AbstractShiroFilter$1.call(AbstractShiroFilter.java:365) >>>>>>>> at >>>>>>>> org.apache.shiro.subject.support.SubjectCallable.doCall(SubjectCallable.java:90) >>>>>>>> at >>>>>>>> org.apache.shiro.subject.support.SubjectCallable.call(SubjectCallable.java:83) >>>>>>>> at >>>>>>>> org.apache.shiro.subject.support.DelegatingSubject.execute(DelegatingSubject.java:383) >>>>>>>> at >>>>>>>> org.apache.shiro.web.servlet.AbstractShiroFilter.doFilterInternal(AbstractShiroFilter.java:362) >>>>>>>> at >>>>>>>> org.apache.shiro.web.servlet.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:125) >>>>>>>> at >>>>>>>> org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1637) >>>>>>>> at >>>>>>>> org.apache.jena.fuseki.servlets.CrossOriginFilter.handle(CrossOriginFilter.java:285) >>>>>>>> at >>>>>>>> org.apache.jena.fuseki.servlets.CrossOriginFilter.doFilter(CrossOriginFilter.java:248) >>>>>>>> at >>>>>>>> org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1629) >>>>>>>> at >>>>>>>> org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:533) >>>>>>>> at >>>>>>>> org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) >>>>>>>> at >>>>>>>> org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:548) >>>>>>>> at >>>>>>>> org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:132) >>>>>>>> at >>>>>>>> org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:190) >>>>>>>> at >>>>>>>> org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1595) >>>>>>>> at >>>>>>>> org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:188) >>>>>>>> at >>>>>>>> org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1253) >>>>>>>> at >>>>>>>> org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:168) >>>>>>>> at >>>>>>>> org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:473) >>>>>>>> at >>>>>>>> org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1564) >>>>>>>> at >>>>>>>> org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:166) >>>>>>>> at >>>>>>>> org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1155) >>>>>>>> at >>>>>>>> org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) >>>>>>>> at >>>>>>>> org.eclipse.jetty.server.handler.gzip.GzipHandler.handle(GzipHandler.java:455) >>>>>>>> at >>>>>>>> org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:132) >>>>>>>> at org.eclipse.jetty.server.Server.handle(Server.java:561) >>>>>>>> at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:334) >>>>>>>> at >>>>>>>> org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:251) >>>>>>>> at >>>>>>>> org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:279) >>>>>>>> at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:104) >>>>>>>> at >>>>>>>> org.eclipse.jetty.io.ChannelEndPoint$2.run(ChannelEndPoint.java:124) >>>>>>>> at >>>>>>>> org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:247) >>>>>>>> at >>>>>>>> org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.produce(EatWhatYouKill.java:140) >>>>>>>> at >>>>>>>> org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) >>>>>>>> at >>>>>>>> org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:243) >>>>>>>> at >>>>>>>> org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:679) >>>>>>>> at >>>>>>>> org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:597) >>>>>>>> at java.lang.Thread.run(Thread.java:745) >>>>>>>> [2018-01-24 17:16:53] Fuseki INFO [644] 204 No Content (2 ms) >>>>>>>> [2018-01-24 17:16:53] BindingHashMap WARN Binding.add: null value - >>>>>>>> ignored >>>>>>>> >>>>>>>> >>>>>>>> >>>>>>>> >>>>>>>> >>>>>>>> >>>>>>>> >>>>>>>> [2018-01-24 17:16:57] BindingTDB ERROR get1(?p) >>>>>>>> org.apache.jena.tdb.base.file.FileException: In the middle of an >>>>>>>> alloc-write >>>>>>>> at >>>>>>>> org.apache.jena.tdb.base.objectfile.ObjectFileStorage.read(ObjectFileStorage.java:311) >>>>>>>> at >>>>>>>> org.apache.jena.tdb.base.objectfile.ObjectFileWrapper.read(ObjectFileWrapper.java:57) >>>>>>>> at org.apache.jena.tdb.lib.NodeLib.fetchDecode(NodeLib.java:78) >>>>>>>> at >>>>>>>> org.apache.jena.tdb.store.nodetable.NodeTableNative.readNodeFromTable(NodeTableNative.java:186) >>>>>>>> at >>>>>>>> org.apache.jena.tdb.store.nodetable.NodeTableNative._retrieveNodeByNodeId(NodeTableNative.java:111) >>>>>>>> at >>>>>>>> org.apache.jena.tdb.store.nodetable.NodeTableNative.getNodeForNodeId(NodeTableNative.java:70) >>>>>>>> at >>>>>>>> org.apache.jena.tdb.store.nodetable.NodeTableCache._retrieveNodeByNodeId(NodeTableCache.java:128) >>>>>>>> at >>>>>>>> org.apache.jena.tdb.store.nodetable.NodeTableCache.getNodeForNodeId(NodeTableCache.java:82) >>>>>>>> at >>>>>>>> org.apache.jena.tdb.store.nodetable.NodeTableWrapper.getNodeForNodeId(NodeTableWrapper.java:50) >>>>>>>> at >>>>>>>> org.apache.jena.tdb.store.nodetable.NodeTableInline.getNodeForNodeId(NodeTableInline.java:67) >>>>>>>> at org.apache.jena.tdb.solver.BindingTDB.get1(BindingTDB.java:122) >>>>>>>> at >>>>>>>> org.apache.jena.sparql.engine.binding.BindingBase.get(BindingBase.java:121) >>>>>>>> at >>>>>>>> org.apache.jena.sparql.engine.binding.BindingFactory.materialize(BindingFactory.java:60) >>>>>>>> at >>>>>>>> org.apache.jena.tdb.solver.QueryEngineTDB$QueryIteratorMaterializeBinding.moveToNextBinding(QueryEngineTDB.java:131) >>>>>>>> at >>>>>>>> org.apache.jena.sparql.engine.iterator.QueryIteratorBase.nextBinding(QueryIteratorBase.java:156) >>>>>>>> at >>>>>>>> org.apache.jena.sparql.engine.iterator.QueryIteratorWrapper.moveToNextBinding(QueryIteratorWrapper.java:42) >>>>>>>> at >>>>>>>> org.apache.jena.sparql.engine.iterator.QueryIteratorBase.nextBinding(QueryIteratorBase.java:156) >>>>>>>> at >>>>>>>> org.apache.jena.sparql.engine.iterator.QueryIteratorBase.next(QueryIteratorBase.java:131) >>>>>>>> at >>>>>>>> org.apache.jena.sparql.engine.iterator.QueryIteratorBase.next(QueryIteratorBase.java:40) >>>>>>>> at org.apache.jena.atlas.iterator.Iter$2.next(Iter.java:270) >>>>>>>> at >>>>>>>> org.apache.jena.ext.com.google.common.collect.MultitransformedIterator.hasNext(MultitransformedIterator.java:52) >>>>>>>> at >>>>>>>> org.apache.jena.ext.com.google.common.collect.MultitransformedIterator.hasNext(MultitransformedIterator.java:50) >>>>>>>> at java.util.Iterator.forEachRemaining(Iterator.java:115) >>>>>>>> at >>>>>>>> org.apache.jena.sparql.engine.QueryExecutionBase.execConstructDataset(QueryExecutionBase.java:243) >>>>>>>> at >>>>>>>> org.apache.jena.sparql.engine.QueryExecutionBase.execConstructDataset(QueryExecutionBase.java:236) >>>>>>>> at >>>>>>>> org.apache.jena.fuseki.servlets.SPARQL_Query.executeQuery(SPARQL_Query.java:331) >>>>>>>> at >>>>>>>> org.apache.jena.fuseki.servlets.SPARQL_Query.execute(SPARQL_Query.java:270) >>>>>>>> at >>>>>>>> org.apache.jena.fuseki.servlets.SPARQL_Query.executeBody(SPARQL_Query.java:239) >>>>>>>> at >>>>>>>> org.apache.jena.fuseki.servlets.SPARQL_Query.perform(SPARQL_Query.java:219) >>>>>>>> at >>>>>>>> org.apache.jena.fuseki.servlets.ActionSPARQL.executeLifecycle(ActionSPARQL.java:132) >>>>>>>> at >>>>>>>> org.apache.jena.fuseki.servlets.SPARQL_UberServlet.executeRequest(SPARQL_UberServlet.java:356) >>>>>>>> at >>>>>>>> org.apache.jena.fuseki.servlets.SPARQL_UberServlet.executeAction(SPARQL_UberServlet.java:220) >>>>>>>> at >>>>>>>> org.apache.jena.fuseki.servlets.ActionSPARQL.execCommonWorker(ActionSPARQL.java:83) >>>>>>>> at >>>>>>>> org.apache.jena.fuseki.servlets.ActionBase.doCommon(ActionBase.java:82) >>>>>>>> at >>>>>>>> org.apache.jena.fuseki.servlets.FusekiFilter.doFilter(FusekiFilter.java:73) >>>>>>>> at >>>>>>>> org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1637) >>>>>>>> at >>>>>>>> org.apache.shiro.web.servlet.ProxiedFilterChain.doFilter(ProxiedFilterChain.java:61) >>>>>>>> at >>>>>>>> org.apache.shiro.web.servlet.AdviceFilter.executeChain(AdviceFilter.java:108) >>>>>>>> at >>>>>>>> org.apache.shiro.web.servlet.AdviceFilter.doFilterInternal(AdviceFilter.java:137) >>>>>>>> at >>>>>>>> org.apache.shiro.web.servlet.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:125) >>>>>>>> at >>>>>>>> org.apache.shiro.web.servlet.ProxiedFilterChain.doFilter(ProxiedFilterChain.java:66) >>>>>>>> at >>>>>>>> org.apache.shiro.web.servlet.AbstractShiroFilter.executeChain(AbstractShiroFilter.java:449) >>>>>>>> at >>>>>>>> org.apache.shiro.web.servlet.AbstractShiroFilter$1.call(AbstractShiroFilter.java:365) >>>>>>>> at >>>>>>>> org.apache.shiro.subject.support.SubjectCallable.doCall(SubjectCallable.java:90) >>>>>>>> at >>>>>>>> org.apache.shiro.subject.support.SubjectCallable.call(SubjectCallable.java:83) >>>>>>>> at >>>>>>>> org.apache.shiro.subject.support.DelegatingSubject.execute(DelegatingSubject.java:383) >>>>>>>> at >>>>>>>> org.apache.shiro.web.servlet.AbstractShiroFilter.doFilterInternal(AbstractShiroFilter.java:362) >>>>>>>> at >>>>>>>> org.apache.shiro.web.servlet.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:125) >>>>>>>> at >>>>>>>> org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1637) >>>>>>>> at >>>>>>>> org.apache.jena.fuseki.servlets.CrossOriginFilter.handle(CrossOriginFilter.java:285) >>>>>>>> at >>>>>>>> org.apache.jena.fuseki.servlets.CrossOriginFilter.doFilter(CrossOriginFilter.java:248) >>>>>>>> at >>>>>>>> org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1629) >>>>>>>> at >>>>>>>> org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:533) >>>>>>>> at >>>>>>>> org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) >>>>>>>> at >>>>>>>> org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:548) >>>>>>>> at >>>>>>>> org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:132) >>>>>>>> at >>>>>>>> org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:190) >>>>>>>> at >>>>>>>> org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1595) >>>>>>>> at >>>>>>>> org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:188) >>>>>>>> at >>>>>>>> org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1253) >>>>>>>> at >>>>>>>> org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:168) >>>>>>>> at >>>>>>>> org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:473) >>>>>>>> at >>>>>>>> org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1564) >>>>>>>> at >>>>>>>> org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:166) >>>>>>>> at >>>>>>>> org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1155) >>>>>>>> at >>>>>>>> org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) >>>>>>>> at >>>>>>>> org.eclipse.jetty.server.handler.gzip.GzipHandler.handle(GzipHandler.java:455) >>>>>>>> at >>>>>>>> org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:132) >>>>>>>> at org.eclipse.jetty.server.Server.handle(Server.java:561) >>>>>>>> at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:334) >>>>>>>> at >>>>>>>> org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:251) >>>>>>>> at >>>>>>>> org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:279) >>>>>>>> at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:104) >>>>>>>> at >>>>>>>> org.eclipse.jetty.io.ChannelEndPoint$2.run(ChannelEndPoint.java:124) >>>>>>>> at >>>>>>>> org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:247) >>>>>>>> at >>>>>>>> org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.produce(EatWhatYouKill.java:140) >>>>>>>> at >>>>>>>> org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) >>>>>>>> at >>>>>>>> org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:243) >>>>>>>> at >>>>>>>> org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:679) >>>>>>>> at >>>>>>>> org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:597) >>>>>>>> at java.lang.Thread.run(Thread.java:745) >>>>>>>> [2018-01-24 17:16:57] Fuseki INFO [1027] 204 No Content (13 ms) >>>>>>>> [2018-01-24 17:16:57] BindingHashMap WARN Binding.add: null value - >>>>>>>> ignored >>>>>>>> >>>>>>>> >>>>>>>> >>>>>>>> >>>>>>>> >>>>>>>> >>>>>>>> [2018-01-24 17:17:02] BindingTDB ERROR get1(?s) >>>>>>>> org.apache.jena.tdb.base.file.FileException: In the middle of an >>>>>>>> alloc-write >>>>>>>> at >>>>>>>> org.apache.jena.tdb.base.objectfile.ObjectFileStorage.read(ObjectFileStorage.java:311) >>>>>>>> at >>>>>>>> org.apache.jena.tdb.base.objectfile.ObjectFileWrapper.read(ObjectFileWrapper.java:57) >>>>>>>> at org.apache.jena.tdb.lib.NodeLib.fetchDecode(NodeLib.java:78) >>>>>>>> at >>>>>>>> org.apache.jena.tdb.store.nodetable.NodeTableNative.readNodeFromTable(NodeTableNative.java:186) >>>>>>>> at >>>>>>>> org.apache.jena.tdb.store.nodetable.NodeTableNative._retrieveNodeByNodeId(NodeTableNative.java:111) >>>>>>>> at >>>>>>>> org.apache.jena.tdb.store.nodetable.NodeTableNative.getNodeForNodeId(NodeTableNative.java:70) >>>>>>>> at >>>>>>>> org.apache.jena.tdb.store.nodetable.NodeTableCache._retrieveNodeByNodeId(NodeTableCache.java:128) >>>>>>>> at >>>>>>>> org.apache.jena.tdb.store.nodetable.NodeTableCache.getNodeForNodeId(NodeTableCache.java:82) >>>>>>>> at >>>>>>>> org.apache.jena.tdb.store.nodetable.NodeTableWrapper.getNodeForNodeId(NodeTableWrapper.java:50) >>>>>>>> at >>>>>>>> org.apache.jena.tdb.store.nodetable.NodeTableInline.getNodeForNodeId(NodeTableInline.java:67) >>>>>>>> at org.apache.jena.tdb.solver.BindingTDB.get1(BindingTDB.java:122) >>>>>>>> at >>>>>>>> org.apache.jena.sparql.engine.binding.BindingBase.get(BindingBase.java:121) >>>>>>>> at >>>>>>>> org.apache.jena.sparql.engine.binding.BindingProjectBase.get1(BindingProjectBase.java:52) >>>>>>>> at >>>>>>>> org.apache.jena.sparql.engine.binding.BindingBase.get(BindingBase.java:121) >>>>>>>> at >>>>>>>> org.apache.jena.sparql.engine.binding.BindingProjectBase.get1(BindingProjectBase.java:52) >>>>>>>> at >>>>>>>> org.apache.jena.sparql.engine.binding.BindingBase.get(BindingBase.java:121) >>>>>>>> at >>>>>>>> org.apache.jena.sparql.engine.binding.BindingBase.hashCode(BindingBase.java:201) >>>>>>>> at >>>>>>>> org.apache.jena.sparql.engine.binding.BindingBase.hashCode(BindingBase.java:183) >>>>>>>> at java.util.HashMap.hash(HashMap.java:338) >>>>>>>> at java.util.HashMap.containsKey(HashMap.java:595) >>>>>>>> at java.util.HashSet.contains(HashSet.java:203) >>>>>>>> at >>>>>>>> org.apache.jena.sparql.engine.iterator.QueryIterDistinct.getInputNextUnseen(QueryIterDistinct.java:106) >>>>>>>> at >>>>>>>> org.apache.jena.sparql.engine.iterator.QueryIterDistinct.hasNextBinding(QueryIterDistinct.java:70) >>>>>>>> at >>>>>>>> org.apache.jena.sparql.engine.iterator.QueryIteratorBase.hasNext(QueryIteratorBase.java:114) >>>>>>>> at >>>>>>>> org.apache.jena.sparql.engine.iterator.QueryIteratorWrapper.hasNextBinding(QueryIteratorWrapper.java:39) >>>>>>>> at >>>>>>>> org.apache.jena.sparql.engine.iterator.QueryIteratorBase.hasNext(QueryIteratorBase.java:114) >>>>>>>> at >>>>>>>> org.apache.jena.sparql.engine.iterator.QueryIteratorWrapper.hasNextBinding(QueryIteratorWrapper.java:39) >>>>>>>> at >>>>>>>> org.apache.jena.sparql.engine.iterator.QueryIteratorBase.hasNext(QueryIteratorBase.java:114) >>>>>>>> at >>>>>>>> org.apache.jena.sparql.engine.iterator.QueryIteratorWrapper.hasNextBinding(QueryIteratorWrapper.java:39) >>>>>>>> at >>>>>>>> org.apache.jena.sparql.engine.iterator.QueryIteratorBase.hasNext(QueryIteratorBase.java:114) >>>>>>>> at >>>>>>>> org.apache.jena.sparql.engine.ResultSetStream.hasNext(ResultSetStream.java:74) >>>>>>>> at >>>>>>>> org.apache.jena.sparql.engine.ResultSetCheckCondition.hasNext(ResultSetCheckCondition.java:55) >>>>>>>> at >>>>>>>> org.apache.jena.fuseki.servlets.SPARQL_Query.executeQuery(SPARQL_Query.java:320) >>>>>>>> at >>>>>>>> org.apache.jena.fuseki.servlets.SPARQL_Query.execute(SPARQL_Query.java:270) >>>>>>>> at >>>>>>>> org.apache.jena.fuseki.servlets.SPARQL_Query.executeBody(SPARQL_Query.java:239) >>>>>>>> at >>>>>>>> org.apache.jena.fuseki.servlets.SPARQL_Query.perform(SPARQL_Query.java:219) >>>>>>>> at >>>>>>>> org.apache.jena.fuseki.servlets.ActionSPARQL.executeLifecycle(ActionSPARQL.java:132) >>>>>>>> at >>>>>>>> org.apache.jena.fuseki.servlets.SPARQL_UberServlet.executeRequest(SPARQL_UberServlet.java:356) >>>>>>>> at >>>>>>>> org.apache.jena.fuseki.servlets.SPARQL_UberServlet.executeAction(SPARQL_UberServlet.java:220) >>>>>>>> at >>>>>>>> org.apache.jena.fuseki.servlets.ActionSPARQL.execCommonWorker(ActionSPARQL.java:83) >>>>>>>> at >>>>>>>> org.apache.jena.fuseki.servlets.ActionBase.doCommon(ActionBase.java:82) >>>>>>>> at >>>>>>>> org.apache.jena.fuseki.servlets.FusekiFilter.doFilter(FusekiFilter.java:73) >>>>>>>> at >>>>>>>> org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1637) >>>>>>>> at >>>>>>>> org.apache.shiro.web.servlet.ProxiedFilterChain.doFilter(ProxiedFilterChain.java:61) >>>>>>>> at >>>>>>>> org.apache.shiro.web.servlet.AdviceFilter.executeChain(AdviceFilter.java:108) >>>>>>>> at >>>>>>>> org.apache.shiro.web.servlet.AdviceFilter.doFilterInternal(AdviceFilter.java:137) >>>>>>>> at >>>>>>>> org.apache.shiro.web.servlet.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:125) >>>>>>>> at >>>>>>>> org.apache.shiro.web.servlet.ProxiedFilterChain.doFilter(ProxiedFilterChain.java:66) >>>>>>>> at >>>>>>>> org.apache.shiro.web.servlet.AbstractShiroFilter.executeChain(AbstractShiroFilter.java:449) >>>>>>>> at >>>>>>>> org.apache.shiro.web.servlet.AbstractShiroFilter$1.call(AbstractShiroFilter.java:365) >>>>>>>> at >>>>>>>> org.apache.shiro.subject.support.SubjectCallable.doCall(SubjectCallable.java:90) >>>>>>>> at >>>>>>>> org.apache.shiro.subject.support.SubjectCallable.call(SubjectCallable.java:83) >>>>>>>> at >>>>>>>> org.apache.shiro.subject.support.DelegatingSubject.execute(DelegatingSubject.java:383) >>>>>>>> at >>>>>>>> org.apache.shiro.web.servlet.AbstractShiroFilter.doFilterInternal(AbstractShiroFilter.java:362) >>>>>>>> at >>>>>>>> org.apache.shiro.web.servlet.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:125) >>>>>>>> at >>>>>>>> org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1637) >>>>>>>> at >>>>>>>> org.apache.jena.fuseki.servlets.CrossOriginFilter.handle(CrossOriginFilter.java:285) >>>>>>>> at >>>>>>>> org.apache.jena.fuseki.servlets.CrossOriginFilter.doFilter(CrossOriginFilter.java:248) >>>>>>>> at >>>>>>>> org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1629) >>>>>>>> at >>>>>>>> org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:533) >>>>>>>> at >>>>>>>> org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) >>>>>>>> at >>>>>>>> org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:548) >>>>>>>> at >>>>>>>> org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:132) >>>>>>>> at >>>>>>>> org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:190) >>>>>>>> at >>>>>>>> org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1595) >>>>>>>> at >>>>>>>> org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:188) >>>>>>>> at >>>>>>>> org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1253) >>>>>>>> at >>>>>>>> org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:168) >>>>>>>> at >>>>>>>> org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:473) >>>>>>>> at >>>>>>>> org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1564) >>>>>>>> at >>>>>>>> org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:166) >>>>>>>> at >>>>>>>> org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1155) >>>>>>>> at >>>>>>>> org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) >>>>>>>> at >>>>>>>> org.eclipse.jetty.server.handler.gzip.GzipHandler.handle(GzipHandler.java:455) >>>>>>>> at >>>>>>>> org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:132) >>>>>>>> at org.eclipse.jetty.server.Server.handle(Server.java:561) >>>>>>>> at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:334) >>>>>>>> at >>>>>>>> org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:251) >>>>>>>> at >>>>>>>> org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:279) >>>>>>>> at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:104) >>>>>>>> at >>>>>>>> org.eclipse.jetty.io.ChannelEndPoint$2.run(ChannelEndPoint.java:124) >>>>>>>> at >>>>>>>> org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:247) >>>>>>>> at >>>>>>>> org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.produce(EatWhatYouKill.java:140) >>>>>>>> at >>>>>>>> org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) >>>>>>>> at >>>>>>>> org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:243) >>>>>>>> at >>>>>>>> org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:679) >>>>>>>> at >>>>>>>> org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:597) >>>>>>>> at java.lang.Thread.run(Thread.java:745) >>>>>>>> [2018-01-24 17:17:02] Fuseki WARN [1758] RC = 500 : null >>>>>>>> java.lang.NullPointerException >>>>>>>> at >>>>>>>> org.apache.jena.sparql.engine.binding.BindingBase.hashCode(BindingBase.java:203) >>>>>>>> at >>>>>>>> org.apache.jena.sparql.engine.binding.BindingBase.hashCode(BindingBase.java:183) >>>>>>>> at java.util.HashMap.hash(HashMap.java:338) >>>>>>>> at java.util.HashMap.containsKey(HashMap.java:595) >>>>>>>> at java.util.HashSet.contains(HashSet.java:203) >>>>>>>> at >>>>>>>> org.apache.jena.sparql.engine.iterator.QueryIterDistinct.getInputNextUnseen(QueryIterDistinct.java:106) >>>>>>>> at >>>>>>>> org.apache.jena.sparql.engine.iterator.QueryIterDistinct.hasNextBinding(QueryIterDistinct.java:70) >>>>>>>> at >>>>>>>> org.apache.jena.sparql.engine.iterator.QueryIteratorBase.hasNext(QueryIteratorBase.java:114) >>>>>>>> at >>>>>>>> org.apache.jena.sparql.engine.iterator.QueryIteratorWrapper.hasNextBinding(QueryIteratorWrapper.java:39) >>>>>>>> at >>>>>>>> org.apache.jena.sparql.engine.iterator.QueryIteratorBase.hasNext(QueryIteratorBase.java:114) >>>>>>>> at >>>>>>>> org.apache.jena.sparql.engine.iterator.QueryIteratorWrapper.hasNextBinding(QueryIteratorWrapper.java:39) >>>>>>>> at >>>>>>>> org.apache.jena.sparql.engine.iterator.QueryIteratorBase.hasNext(QueryIteratorBase.java:114) >>>>>>>> at >>>>>>>> org.apache.jena.sparql.engine.iterator.QueryIteratorWrapper.hasNextBinding(QueryIteratorWrapper.java:39) >>>>>>>> at >>>>>>>> org.apache.jena.sparql.engine.iterator.QueryIteratorBase.hasNext(QueryIteratorBase.java:114) >>>>>>>> at >>>>>>>> org.apache.jena.sparql.engine.ResultSetStream.hasNext(ResultSetStream.java:74) >>>>>>>> at >>>>>>>> org.apache.jena.sparql.engine.ResultSetCheckCondition.hasNext(ResultSetCheckCondition.java:55) >>>>>>>> at >>>>>>>> org.apache.jena.fuseki.servlets.SPARQL_Query.executeQuery(SPARQL_Query.java:320) >>>>>>>> at >>>>>>>> org.apache.jena.fuseki.servlets.SPARQL_Query.execute(SPARQL_Query.java:270) >>>>>>>> at >>>>>>>> org.apache.jena.fuseki.servlets.SPARQL_Query.executeBody(SPARQL_Query.java:239) >>>>>>>> at >>>>>>>> org.apache.jena.fuseki.servlets.SPARQL_Query.perform(SPARQL_Query.java:219) >>>>>>>> at >>>>>>>> org.apache.jena.fuseki.servlets.ActionSPARQL.executeLifecycle(ActionSPARQL.java:132) >>>>>>>> at >>>>>>>> org.apache.jena.fuseki.servlets.SPARQL_UberServlet.executeRequest(SPARQL_UberServlet.java:356) >>>>>>>> at >>>>>>>> org.apache.jena.fuseki.servlets.SPARQL_UberServlet.executeAction(SPARQL_UberServlet.java:220) >>>>>>>> at >>>>>>>> org.apache.jena.fuseki.servlets.ActionSPARQL.execCommonWorker(ActionSPARQL.java:83) >>>>>>>> at >>>>>>>> org.apache.jena.fuseki.servlets.ActionBase.doCommon(ActionBase.java:82) >>>>>>>> at >>>>>>>> org.apache.jena.fuseki.servlets.FusekiFilter.doFilter(FusekiFilter.java:73) >>>>>>>> at >>>>>>>> org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1637) >>>>>>>> at >>>>>>>> org.apache.shiro.web.servlet.ProxiedFilterChain.doFilter(ProxiedFilterChain.java:61) >>>>>>>> at >>>>>>>> org.apache.shiro.web.servlet.AdviceFilter.executeChain(AdviceFilter.java:108) >>>>>>>> at >>>>>>>> org.apache.shiro.web.servlet.AdviceFilter.doFilterInternal(AdviceFilter.java:137) >>>>>>>> at >>>>>>>> org.apache.shiro.web.servlet.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:125) >>>>>>>> at >>>>>>>> org.apache.shiro.web.servlet.ProxiedFilterChain.doFilter(ProxiedFilterChain.java:66) >>>>>>>> at >>>>>>>> org.apache.shiro.web.servlet.AbstractShiroFilter.executeChain(AbstractShiroFilter.java:449) >>>>>>>> at >>>>>>>> org.apache.shiro.web.servlet.AbstractShiroFilter$1.call(AbstractShiroFilter.java:365) >>>>>>>> at >>>>>>>> org.apache.shiro.subject.support.SubjectCallable.doCall(SubjectCallable.java:90) >>>>>>>> at >>>>>>>> org.apache.shiro.subject.support.SubjectCallable.call(SubjectCallable.java:83) >>>>>>>> at >>>>>>>> org.apache.shiro.subject.support.DelegatingSubject.execute(DelegatingSubject.java:383) >>>>>>>> at >>>>>>>> org.apache.shiro.web.servlet.AbstractShiroFilter.doFilterInternal(AbstractShiroFilter.java:362) >>>>>>>> at >>>>>>>> org.apache.shiro.web.servlet.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:125) >>>>>>>> at >>>>>>>> org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1637) >>>>>>>> at >>>>>>>> org.apache.jena.fuseki.servlets.CrossOriginFilter.handle(CrossOriginFilter.java:285) >>>>>>>> at >>>>>>>> org.apache.jena.fuseki.servlets.CrossOriginFilter.doFilter(CrossOriginFilter.java:248) >>>>>>>> at >>>>>>>> org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1629) >>>>>>>> at >>>>>>>> org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:533) >>>>>>>> at >>>>>>>> org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) >>>>>>>> at >>>>>>>> org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:548) >>>>>>>> at >>>>>>>> org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:132) >>>>>>>> at >>>>>>>> org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:190) >>>>>>>> at >>>>>>>> org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1595) >>>>>>>> at >>>>>>>> org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:188) >>>>>>>> at >>>>>>>> org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1253) >>>>>>>> at >>>>>>>> org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:168) >>>>>>>> at >>>>>>>> org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:473) >>>>>>>> at >>>>>>>> org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1564) >>>>>>>> at >>>>>>>> org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:166) >>>>>>>> at >>>>>>>> org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1155) >>>>>>>> at >>>>>>>> org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) >>>>>>>> at >>>>>>>> org.eclipse.jetty.server.handler.gzip.GzipHandler.handle(GzipHandler.java:455) >>>>>>>> at >>>>>>>> org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:132) >>>>>>>> at org.eclipse.jetty.server.Server.handle(Server.java:561) >>>>>>>> at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:334) >>>>>>>> at >>>>>>>> org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:251) >>>>>>>> at >>>>>>>> org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:279) >>>>>>>> at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:104) >>>>>>>> at >>>>>>>> org.eclipse.jetty.io.ChannelEndPoint$2.run(ChannelEndPoint.java:124) >>>>>>>> at >>>>>>>> org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:247) >>>>>>>> at >>>>>>>> org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.produce(EatWhatYouKill.java:140) >>>>>>>> at >>>>>>>> org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) >>>>>>>> at >>>>>>>> org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:243) >>>>>>>> at >>>>>>>> org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:679) >>>>>>>> at >>>>>>>> org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:597) >>>>>>>> at java.lang.Thread.run(Thread.java:745) >>>>>>>> [2018-01-24 17:17:02] Fuseki INFO [1759] 204 No Content (11 ms) >>>>>>>> [2018-01-24 17:17:02] Fuseki INFO [1758] 500 Server Error (11 ms) >>>>>>>> >>>>>>>> -- >>>>>>>> Lingsoft - 30 years of Leading Language Management >>>>>>>> >>>>>>>> www.lingsoft.fi >>>>>>>> >>>>>>>> Speech Applications - Language Management - Translation - Reader's and >>>>>>>> Writer's Tools - Text Tools - E-books and M-books >>>>>>>> >>>>>>>> Mikael Pesonen >>>>>>>> System Engineer >>>>>>>> >>>>>>>> e-mail: mikael.peso...@lingsoft.fi >>>>>>>> Tel. +358 2 279 3300 >>>>>>>> >>>>>>>> Time zone: GMT+2 >>>>>>>> >>>>>>>> Helsinki Office >>>>>>>> Eteläranta 10 >>>>>>>> FI-00130 Helsinki >>>>>>>> FINLAND >>>>>>>> >>>>>>>> Turku Office >>>>>>>> Kauppiaskatu 5 A >>>>>>>> FI-20100 Turku >>>>>>>> FINLAND >>>>>>>> >>>>>> -- >>>>>> Lingsoft - 30 years of Leading Language Management >>>>>> >>>>>> www.lingsoft.fi >>>>>> >>>>>> Speech Applications - Language Management - Translation - Reader's and >>>>>> Writer's Tools - Text Tools - E-books and M-books >>>>>> >>>>>> Mikael Pesonen >>>>>> System Engineer >>>>>> >>>>>> e-mail: mikael.peso...@lingsoft.fi >>>>>> Tel. +358 2 279 3300 >>>>>> >>>>>> Time zone: GMT+2 >>>>>> >>>>>> Helsinki Office >>>>>> Eteläranta 10 >>>>>> FI-00130 Helsinki >>>>>> FINLAND >>>>>> >>>>>> Turku Office >>>>>> Kauppiaskatu 5 A >>>>>> FI-20100 Turku >>>>>> FINLAND >>>>>> >>> >>> -- >>> Lingsoft - 30 years of Leading Language Management >>> >>> www.lingsoft.fi >>> >>> Speech Applications - Language Management - Translation - Reader's and >>> Writer's Tools - Text Tools - E-books and M-books >>> >>> Mikael Pesonen >>> System Engineer >>> >>> e-mail: mikael.peso...@lingsoft.fi >>> Tel. +358 2 279 3300 >>> >>> Time zone: GMT+2 >>> >>> Helsinki Office >>> Eteläranta 10 >>> FI-00130 Helsinki >>> FINLAND >>> >>> Turku Office >>> Kauppiaskatu 5 A >>> FI-20100 Turku >>> FINLAND >>> >> >