From
https://jena.apache.org/documentation/fuseki2/fuseki-server-protocol.html#backup
:
> Backups are written to the server local directory 'backups' as
> gzip-compressed N-Quads files.
You can load them just like any other NQuads files.
ajs6f
> On Mar 5, 2018, at 9:54 AM, Mikael Pesonen <mikael.peso...@lingsoft.fi> wrote:
>
>
> I understood that content has to be rebuilt somehow, just copying files from
> backup is not enough? And how do we know how old backup is needed, e.g. when
> the corruption did happen?
>
>
> On 5.3.2018 16:50, ajs6f wrote:
>> I don't understand-- if you have known-good TDB backups available, why would
>> you not start with them?
>>
>> Dumping RDF files on the side is not a bad idea either, but TDB backups
>> (such as are produced by the software itself) should be fine for most
>> disaster-recovery purposes.
>>
>> ajs6f
>>
>>> On Mar 5, 2018, at 9:48 AM, Mikael Pesonen <mikael.peso...@lingsoft.fi>
>>> wrote:
>>>
>>>
>>> Fortunately this is our development site. But backups are from TDP files,
>>> we dont have a plan for dumping RDF exports for separate backup. So I guess
>>> we should add that as next step?
>>>
>>> On 5.3.2018 16:45, ajs6f wrote:
>>>> Not a problem at all. Many sites use TDB as their main store. Just like
>>>> _any_ database, proper operation includes regular and frequent backups and
>>>> a plan for rebuilding the store independently of any instance.
>>>>
>>>> You _do_ have backups, right?
>>>>
>>>> ajs6f
>>>>
>>>>> On Mar 5, 2018, at 9:43 AM, Mikael Pesonen <mikael.peso...@lingsoft.fi>
>>>>> wrote:
>>>>>
>>>>>
>>>>> Hi,
>>>>>
>>>>> we are using Jena TDP as THE database for document metadata. Data is fed
>>>>> through our custom REST API. Is this something that would no be
>>>>> recommended?
>>>>>
>>>>> Br,
>>>>>
>>>>>
>>>>> On 5.3.2018 16:41, ajs6f wrote:
>>>>>> To my knowledge (Andy of course is the TDB expert) you can't really
>>>>>> rebuild a TDB instance from a corrupted TDB instance. You should start
>>>>>> with a known-good backup or original RDF files.
>>>>>>
>>>>>> ajs6f
>>>>>>
>>>>>>> On Mar 5, 2018, at 9:32 AM, Mikael Pesonen <mikael.peso...@lingsoft.fi>
>>>>>>> wrote:
>>>>>>>
>>>>>>>
>>>>>>> Still having these issues on all of our installations.
>>>>>>>
>>>>>>> I'm going to rule out corrupted database on our oldest server. What
>>>>>>> would be preferred way to rebuild data?
>>>>>>>
>>>>>>> Data folder:
>>>>>>>
>>>>>>> 5226102784 Mar 5 12:48 GOSP.dat
>>>>>>> 260046848 Mar 5 12:48 GOSP.idn
>>>>>>> 5377097728 Mar 5 12:48 GPOS.dat
>>>>>>> 268435456 Mar 5 12:48 GPOS.idn
>>>>>>> 5486149632 Mar 5 12:48 GSPO.dat
>>>>>>> 285212672 Mar 5 12:48 GSPO.idn
>>>>>>> 0 Mar 5 12:48 journal.jrnl
>>>>>>> 545259520 Mar 5 12:38 node2id.dat
>>>>>>> 150994944 Feb 20 16:32 node2id.idn
>>>>>>> 497658012 Mar 5 12:38 nodes.dat
>>>>>>> 1 Nov 14 15:27 none.opt
>>>>>>> 33554432 Jan 24 17:06 OSP.dat
>>>>>>> 4848615424 Mar 5 12:48 OSPG.dat
>>>>>>> 293601280 Mar 1 12:46 OSPG.idn
>>>>>>> 8388608 Jan 24 16:59 OSP.idn
>>>>>>> 25165824 Jan 24 17:06 POS.dat
>>>>>>> 4966055936 Mar 5 12:48 POSG.dat
>>>>>>> 276824064 Mar 5 12:38 POSG.idn
>>>>>>> 8388608 Jan 24 16:55 POS.idn
>>>>>>> 8388608 Jan 31 12:06 prefix2id.dat
>>>>>>> 8388608 Mar 15 2016 prefix2id.idn
>>>>>>> 6771 Jan 31 12:06 prefixes.dat
>>>>>>> 25165824 Jan 31 12:06 prefixIdx.dat
>>>>>>> 8388608 Jan 8 13:19 prefixIdx.idn
>>>>>>> 33554432 Jan 24 17:06 SPO.dat
>>>>>>> 5075107840 Mar 5 12:48 SPOG.dat
>>>>>>> 369098752 Mar 5 12:48 SPOG.idn
>>>>>>> 8388608 Jan 24 17:04 SPO.idn
>>>>>>> 4069 Nov 7 16:38 _stats.opt
>>>>>>> 4 Feb 6 12:01 tdb.lock
>>>>>>>
>>>>>>> On 30.1.2018 15:04, Andy Seaborne wrote:
>>>>>>>> These seem to be different errors.
>>>>>>>>
>>>>>>>> "In the middle of an alloc-write" is possibly a concurrency issue.
>>>>>>>> "Failed to read" is possibly a previous corrupted database
>>>>>>>>
>>>>>>>> This is a text dataset? That should be using an MRSW lock to get some
>>>>>>>> level isolation.
>>>>>>>>
>>>>>>>> What's the Fuseki config in this case?
>>>>>>>>
>>>>>>>> Andy
>>>>>>>>
>>>>>>>> On 24/01/18 23:40, Chris Tomlinson 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
>>>>>>>
>>>>> --
>>>>> 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
>
