AtesComp commented on issue #1583:
URL: https://github.com/apache/jena/issues/1583#issuecomment-1288164349
@afs Taking a hint, I tried putting each graph in its own TDB2 dataset to
separate the transactions and test. Example:
```shell
## ------------------------------------------------------------
## COLT Configuration Graph
:graphCOLT_Conf a tdb2:GraphTDB2 ;
rdfs:label "COLT Configuration Graph" ;
tdb2:graphName colt:configuration ;
tdb2:dataset :ds_tdb2_COLT_Conf ;
.
## Configuration Dataset
:ds_tdb2_COLT_Conf a tdb2:DatasetTDB2 ;
rdfs:label "COLT Configuration TDB2 Dataset" ;
tdb2:location "./data/configuration" ;
.
```
After running two or three queries against these independent graphs, I
consistently get errors. Example:
```shell
[2022-10-23 13:33:21.212] INFO [qtp2081964843-21]
[org.apache.jena.atlas.logging.FmtLog.info(FmtLog.java:85)] - [12] POST
http://localhost:3030/MyData/sparql
[2022-10-23 13:33:21.213] INFO [qtp2081964843-21]
[org.apache.jena.fuseki.servlets.SPARQLQueryProcessor.execute(SPARQLQueryProcessor.java:248)]
- [12] Query = PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#> SELECT * FROM
<https://mydata.org/configuration> WHERE { ?sub ?pred ?obj . }
[2022-10-23 13:33:21.216] WARN [qtp2081964843-21]
[org.apache.jena.atlas.logging.FmtLog.warn(FmtLog.java:113)] - [12] RC = 500 :
Already in a transaction
org.apache.jena.sparql.JenaTransactionException: Already in a transaction
at
org.apache.jena.sparql.core.TransactionalLock.error(TransactionalLock.java:175)
~[fuseki-server.jar:4.7.0-SNAPSHOT]
at
org.apache.jena.sparql.core.TransactionalLock.begin(TransactionalLock.java:104)
~[fuseki-server.jar:4.7.0-SNAPSHOT]
at
org.apache.jena.sparql.core.TxnDataset2Graph.begin(TxnDataset2Graph.java:190)
~[fuseki-server.jar:4.7.0-SNAPSHOT]
at
org.apache.jena.sparql.core.DatasetGraphMapLink.begin(DatasetGraphMapLink.java:112)
~[fuseki-server.jar:4.7.0-SNAPSHOT]
at
org.apache.jena.fuseki.servlets.HttpAction.begin(HttpAction.java:276)
~[fuseki-server.jar:4.7.0-SNAPSHOT]
at
org.apache.jena.fuseki.servlets.HttpAction.beginRead(HttpAction.java:291)
~[fuseki-server.jar:4.7.0-SNAPSHOT]
at
org.apache.jena.fuseki.servlets.SPARQLQueryProcessor.execute(SPARQLQueryProcessor.java:271)
~[fuseki-server.jar:4.7.0-SNAPSHOT]
at
org.apache.jena.fuseki.servlets.SPARQLQueryProcessor.executeWithParameter(SPARQLQueryProcessor.java:224)
~[fuseki-server.jar:4.7.0-SNAPSHOT]
at
org.apache.jena.fuseki.servlets.SPARQLQueryProcessor.execute(SPARQLQueryProcessor.java:209)
~[fuseki-server.jar:4.7.0-SNAPSHOT]
at
org.apache.jena.fuseki.servlets.ActionService.executeLifecycle(ActionService.java:58)
~[fuseki-server.jar:4.7.0-SNAPSHOT]
at
org.apache.jena.fuseki.servlets.SPARQLQueryProcessor.execPost(SPARQLQueryProcessor.java:84)
~[fuseki-server.jar:4.7.0-SNAPSHOT]
at
org.apache.jena.fuseki.servlets.ActionProcessor.process(ActionProcessor.java:34)
~[fuseki-server.jar:4.7.0-SNAPSHOT]
at
org.apache.jena.fuseki.servlets.ActionBase.process(ActionBase.java:54)
~[fuseki-server.jar:4.7.0-SNAPSHOT]
at
org.apache.jena.fuseki.servlets.ActionExecLib.execActionSub(ActionExecLib.java:124)
~[fuseki-server.jar:4.7.0-SNAPSHOT]
at
org.apache.jena.fuseki.servlets.ActionExecLib.execAction(ActionExecLib.java:98)
~[fuseki-server.jar:4.7.0-SNAPSHOT]
at
org.apache.jena.fuseki.server.Dispatcher.dispatchAction(Dispatcher.java:164)
~[fuseki-server.jar:4.7.0-SNAPSHOT]
at
org.apache.jena.fuseki.server.Dispatcher.process(Dispatcher.java:156)
~[fuseki-server.jar:4.7.0-SNAPSHOT]
at
org.apache.jena.fuseki.server.Dispatcher.dispatch(Dispatcher.java:83)
~[fuseki-server.jar:4.7.0-SNAPSHOT]
at
org.apache.jena.fuseki.servlets.FusekiFilter.doFilter(FusekiFilter.java:48)
~[fuseki-server.jar:4.7.0-SNAPSHOT]
at
org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
~[fuseki-server.jar:4.7.0-SNAPSHOT]
at
org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
~[fuseki-server.jar:4.7.0-SNAPSHOT]
at
org.apache.shiro.web.servlet.ProxiedFilterChain.doFilter(ProxiedFilterChain.java:61)
~[fuseki-server.jar:4.7.0-SNAPSHOT]
at
org.apache.shiro.web.servlet.AdviceFilter.executeChain(AdviceFilter.java:108)
~[fuseki-server.jar:4.7.0-SNAPSHOT]
at
org.apache.shiro.web.servlet.AdviceFilter.doFilterInternal(AdviceFilter.java:137)
~[fuseki-server.jar:4.7.0-SNAPSHOT]
at
org.apache.shiro.web.servlet.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:154)
~[fuseki-server.jar:4.7.0-SNAPSHOT]
at
org.apache.shiro.web.servlet.ProxiedFilterChain.doFilter(ProxiedFilterChain.java:66)
~[fuseki-server.jar:4.7.0-SNAPSHOT]
at
org.apache.shiro.web.servlet.AdviceFilter.executeChain(AdviceFilter.java:108)
~[fuseki-server.jar:4.7.0-SNAPSHOT]
at
org.apache.shiro.web.servlet.AdviceFilter.doFilterInternal(AdviceFilter.java:137)
~[fuseki-server.jar:4.7.0-SNAPSHOT]
at
org.apache.shiro.web.servlet.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:154)
~[fuseki-server.jar:4.7.0-SNAPSHOT]
at
org.apache.shiro.web.servlet.ProxiedFilterChain.doFilter(ProxiedFilterChain.java:66)
~[fuseki-server.jar:4.7.0-SNAPSHOT]
at
org.apache.shiro.web.servlet.AbstractShiroFilter.executeChain(AbstractShiroFilter.java:458)
~[fuseki-server.jar:4.7.0-SNAPSHOT]
at
org.apache.shiro.web.servlet.AbstractShiroFilter$1.call(AbstractShiroFilter.java:373)
~[fuseki-server.jar:4.7.0-SNAPSHOT]
at
org.apache.shiro.subject.support.SubjectCallable.doCall(SubjectCallable.java:90)
~[fuseki-server.jar:4.7.0-SNAPSHOT]
at
org.apache.shiro.subject.support.SubjectCallable.call(SubjectCallable.java:83)
~[fuseki-server.jar:4.7.0-SNAPSHOT]
at
org.apache.shiro.subject.support.DelegatingSubject.execute(DelegatingSubject.java:387)
~[fuseki-server.jar:4.7.0-SNAPSHOT]
at
org.apache.shiro.web.servlet.AbstractShiroFilter.doFilterInternal(AbstractShiroFilter.java:370)
~[fuseki-server.jar:4.7.0-SNAPSHOT]
at
org.apache.shiro.web.servlet.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:154)
~[fuseki-server.jar:4.7.0-SNAPSHOT]
at
org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
~[fuseki-server.jar:4.7.0-SNAPSHOT]
at
org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
~[fuseki-server.jar:4.7.0-SNAPSHOT]
at
org.apache.jena.fuseki.servlets.CrossOriginFilter.handle(CrossOriginFilter.java:344)
~[fuseki-server.jar:4.7.0-SNAPSHOT]
at
org.apache.jena.fuseki.servlets.CrossOriginFilter.doFilter(CrossOriginFilter.java:298)
~[fuseki-server.jar:4.7.0-SNAPSHOT]
at
org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:210)
~[fuseki-server.jar:4.7.0-SNAPSHOT]
at
org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
~[fuseki-server.jar:4.7.0-SNAPSHOT]
at
org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:527)
~[fuseki-server.jar:4.7.0-SNAPSHOT]
at
org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:131)
~[fuseki-server.jar:4.7.0-SNAPSHOT]
at
org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:578)
~[fuseki-server.jar:4.7.0-SNAPSHOT]
at
org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
~[fuseki-server.jar:4.7.0-SNAPSHOT]
at
org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:223)
~[fuseki-server.jar:4.7.0-SNAPSHOT]
at
org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1571)
~[fuseki-server.jar:4.7.0-SNAPSHOT]
at
org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:221)
~[fuseki-server.jar:4.7.0-SNAPSHOT]
at
org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1383)
~[fuseki-server.jar:4.7.0-SNAPSHOT]
at
org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:176)
~[fuseki-server.jar:4.7.0-SNAPSHOT]
at
org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:484)
~[fuseki-server.jar:4.7.0-SNAPSHOT]
at
org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1544)
~[fuseki-server.jar:4.7.0-SNAPSHOT]
at
org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:174)
~[fuseki-server.jar:4.7.0-SNAPSHOT]
at
org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1305)
~[fuseki-server.jar:4.7.0-SNAPSHOT]
at
org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:129)
~[fuseki-server.jar:4.7.0-SNAPSHOT]
at
org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
~[fuseki-server.jar:4.7.0-SNAPSHOT]
at
org.eclipse.jetty.server.handler.gzip.GzipHandler.handle(GzipHandler.java:822)
~[fuseki-server.jar:4.7.0-SNAPSHOT]
at
org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
~[fuseki-server.jar:4.7.0-SNAPSHOT]
at org.eclipse.jetty.server.Server.handle(Server.java:563)
~[fuseki-server.jar:4.7.0-SNAPSHOT]
at
org.eclipse.jetty.server.HttpChannel.lambda$handle$0(HttpChannel.java:505)
~[fuseki-server.jar:4.7.0-SNAPSHOT]
at
org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:762)
~[fuseki-server.jar:4.7.0-SNAPSHOT]
at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:497)
~[fuseki-server.jar:4.7.0-SNAPSHOT]
at
org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:282)
~[fuseki-server.jar:4.7.0-SNAPSHOT]
at
org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:314)
~[fuseki-server.jar:4.7.0-SNAPSHOT]
at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:100)
~[fuseki-server.jar:4.7.0-SNAPSHOT]
at
org.eclipse.jetty.io.SelectableChannelEndPoint$1.run(SelectableChannelEndPoint.java:53)
~[fuseki-server.jar:4.7.0-SNAPSHOT]
at
org.eclipse.jetty.util.thread.strategy.AdaptiveExecutionStrategy.runTask(AdaptiveExecutionStrategy.java:421)
~[fuseki-server.jar:4.7.0-SNAPSHOT]
at
org.eclipse.jetty.util.thread.strategy.AdaptiveExecutionStrategy.consumeTask(AdaptiveExecutionStrategy.java:390)
~[fuseki-server.jar:4.7.0-SNAPSHOT]
at
org.eclipse.jetty.util.thread.strategy.AdaptiveExecutionStrategy.tryProduce(AdaptiveExecutionStrategy.java:277)
~[fuseki-server.jar:4.7.0-SNAPSHOT]
at
org.eclipse.jetty.util.thread.strategy.AdaptiveExecutionStrategy.lambda$new$0(AdaptiveExecutionStrategy.java:139)
~[fuseki-server.jar:4.7.0-SNAPSHOT]
at
org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:411)
~[fuseki-server.jar:4.7.0-SNAPSHOT]
at
org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:933)
~[fuseki-server.jar:4.7.0-SNAPSHOT]
at
org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1077)
~[fuseki-server.jar:4.7.0-SNAPSHOT]
at java.lang.Thread.run(Thread.java:829) ~[?:?]
[2022-10-23 13:33:21.223] INFO [qtp2081964843-21]
[org.apache.jena.atlas.logging.FmtLog.info(FmtLog.java:85)] - [12] 500 Server
Error (10 ms)
```
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