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https://issues.apache.org/jira/browse/JENA-131?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13131642#comment-13131642
]
Simon Helsen commented on JENA-131:
-----------------------------------
thanks Paolo. Great about the Jenkins builds. That is helpful
I am already using the main trunk now, but thanks for the heads up. However,
having said so, my local maven is not fetching the new apache builds of ARQ.
For some reason, it doesn't believe it needs them :-( So I locally fixed my
classpath to instead take the ARQ projects I have checked out. Not sure why
this is happening (I did all sorts of stuff including deleting my entire .m2
local repository)
Finally, even though this fix resolves a number of issues, I am still seeing
the problem with "abort" and transactions. I will open a separate defect for
that
> TxTDB problem during concurrent execution
> -----------------------------------------
>
> Key: JENA-131
> URL: https://issues.apache.org/jira/browse/JENA-131
> Project: Jena
> Issue Type: Bug
> Components: TDB
> Environment: arq-2.8.9-20111001.145524-39 and
> tx-tdb-0.9.0-20111006.082548-13 on IBM JRE 6
> Reporter: Simon Helsen
> Assignee: Paolo Castagna
> Attachments: patch.txt
>
>
> In a massive concurrent test with many reads and writes, I am running into
> the problems shown below. I suspect the problem only occurs if a read and
> write are trying to operate on the same data at the same time, i.e. the
> transactions don't isolate enough. My test case is inside the framework. I
> currently have no test case for you to try, but I am hoping you can see
> something by inspecting the stack trace
> ModelWriteActivity: 1579ms
> 17:46:27,183 [1948218399@qtp-533667791-14] WARN
> hpl.jena.sparql.engine.iterator.QueryIteratorCheck - Open iterator:
> QueryIterConcat/55657
> 17:46:27,254 [1948218399@qtp-533667791-14] WARN
> hpl.jena.sparql.engine.iterator.QueryIteratorCheck - Open iterator:
> QueryIterSingleton/55658
> 17:46:27,257 [1948218399@qtp-533667791-14] WARN
> hpl.jena.sparql.engine.iterator.QueryIteratorCheck - Open iterator:
> QueryIterPeek/55659
> 17:46:27,261 [1948218399@qtp-533667791-14] WARN
> hpl.jena.sparql.engine.iterator.QueryIteratorCheck - Open iterator:
> QueryIterTDB/55660
> 17:46:27,264 [1948218399@qtp-533667791-14] WARN
> hpl.jena.sparql.engine.iterator.QueryIteratorCheck - Open iterator:
> QueryIterOptionalIndex/55661
> 17:46:27,335 [1948218399@qtp-533667791-14] WARN
> hpl.jena.sparql.engine.iterator.QueryIteratorCheck - Open iterator:
> QueryIterOptionalIndex/55662
> 17:46:27,338 [1948218399@qtp-533667791-14] WARN
> hpl.jena.sparql.engine.iterator.QueryIteratorCheck - Open iterator:
> QueryIterDefaulting/55803
> 17:46:27,395 [1948218399@qtp-533667791-14] WARN
> hpl.jena.sparql.engine.iterator.QueryIteratorCheck - Open iterator:
> QueryIterDefaulting/55807
> 17:46:27,399 [1948218399@qtp-533667791-14] WARN
> hpl.jena.sparql.engine.iterator.QueryIteratorCheck - Open iterator:
> QueryIterPeek/55808
> 17:46:27,403 [1948218399@qtp-533667791-14] WARN
> hpl.jena.sparql.engine.iterator.QueryIteratorCheck - Open iterator:
> QueryIterTDB/55809
> 17:46:27,406 [1948218399@qtp-533667791-14] WARN
> hpl.jena.sparql.engine.iterator.QueryIteratorCheck - Open iterator:
> QueryIterAssign/55810
> 17:46:27,410 [1948218399@qtp-533667791-14] WARN
> hpl.jena.sparql.engine.iterator.QueryIteratorCheck - Open iterator:
> QueryIterSingleton/55811
> 17:46:27,490 [1948218399@qtp-533667791-14] WARN
> hpl.jena.sparql.engine.iterator.QueryIteratorCheck - Open iterator:
> QueryIterPeek/55812
> 17:46:27,493 [1948218399@qtp-533667791-14] WARN
> hpl.jena.sparql.engine.iterator.QueryIteratorCheck - Open iterator:
> QueryIterTDB/55813
> 17:46:27,497 [1948218399@qtp-533667791-14] WARN
> hpl.jena.sparql.engine.iterator.QueryIteratorCheck - Open iterator:
> QueryIterOptionalIndex/55814
> 17:46:27,502 [1948218399@qtp-533667791-14] WARN
> hpl.jena.sparql.engine.iterator.QueryIteratorCheck - Open iterator:
> QueryIterOptionalIndex/55815
> 17:46:27,507 [1948218399@qtp-533667791-14] ERROR com.ibm.team.jfs
> - Originating Exception:
> java.lang.IndexOutOfBoundsException: Index: 20, Size: 18
> at java.util.ArrayList.remove(ArrayList.java:552)
> at java.util.ArrayList.remove(ArrayList.java:572)
> at
> com.hp.hpl.jena.tdb.transaction.Transaction.removeIterator(Transaction.java:188)
> at
> com.hp.hpl.jena.tdb.transaction.BlockMgrJournal.endIterator(BlockMgrJournal.java:312)
> at
> com.hp.hpl.jena.tdb.transaction.BlockMgrJournal.endIterator(BlockMgrJournal.java:313)
> at
> com.hp.hpl.jena.tdb.base.block.BlockMgrWrapper.endIterator(BlockMgrWrapper.java:134)
> at
> com.hp.hpl.jena.tdb.base.recordbuffer.RecordRangeIterator.close(RecordRangeIterator.java:155)
> at
> com.hp.hpl.jena.tdb.base.recordbuffer.RecordRangeIterator.hasNext(RecordRangeIterator.java:112)
> at org.openjena.atlas.iterator.Iter$4.hasNext(Iter.java:274)
> at
> com.hp.hpl.jena.tdb.sys.DatasetControlMRSW$IteratorCheckNotConcurrent.hasNext(DatasetControlMRSW.java:119)
> at org.openjena.atlas.iterator.Iter$3.hasNext(Iter.java:164)
> at org.openjena.atlas.iterator.Iter$6.hasNext(Iter.java:359)
> at org.openjena.atlas.iterator.Iter$3.hasNext(Iter.java:164)
> at org.openjena.atlas.iterator.Iter$4.hasNext(Iter.java:274)
> at org.openjena.atlas.iterator.Iter$3.hasNext(Iter.java:164)
> at org.openjena.atlas.iterator.Iter.hasNext(Iter.java:742)
> at
> org.openjena.atlas.iterator.RepeatApplyIterator.hasNext(RepeatApplyIterator.java:58)
> at
> org.openjena.atlas.iterator.RepeatApplyIterator.hasNext(RepeatApplyIterator.java:46)
> at
> org.openjena.atlas.iterator.RepeatApplyIterator.hasNext(RepeatApplyIterator.java:46)
> at
> org.openjena.atlas.iterator.RepeatApplyIterator.hasNext(RepeatApplyIterator.java:46)
> at
> org.openjena.atlas.iterator.RepeatApplyIterator.hasNext(RepeatApplyIterator.java:46)
> at org.openjena.atlas.iterator.Iter$4.hasNext(Iter.java:274)
> at
> com.hp.hpl.jena.sparql.engine.iterator.QueryIterPlainWrapper.hasNextBinding(QueryIterPlainWrapper.java:54)
> at
> com.hp.hpl.jena.sparql.engine.iterator.QueryIteratorBase.hasNext(QueryIteratorBase.java:107)
> at
> com.hp.hpl.jena.sparql.engine.iterator.QueryIterRepeatApply.makeNextStage(QueryIterRepeatApply.java:106)
> at
> com.hp.hpl.jena.sparql.engine.iterator.QueryIterRepeatApply.hasNextBinding(QueryIterRepeatApply.java:65)
> at
> com.hp.hpl.jena.sparql.engine.iterator.QueryIteratorBase.hasNext(QueryIteratorBase.java:107)
> at
> com.hp.hpl.jena.sparql.engine.iterator.QueryIterRepeatApply.makeNextStage(QueryIterRepeatApply.java:106)
> at
> com.hp.hpl.jena.sparql.engine.iterator.QueryIterRepeatApply.hasNextBinding(QueryIterRepeatApply.java:65)
> at
> com.hp.hpl.jena.sparql.engine.iterator.QueryIteratorBase.hasNext(QueryIteratorBase.java:107)
> at
> com.hp.hpl.jena.tdb.solver.OpExecutorTDB.optimizeExecuteQuads(OpExecutorTDB.java:215)
> at
> com.hp.hpl.jena.tdb.solver.OpExecutorTDB.execute(OpExecutorTDB.java:152)
> at
> com.hp.hpl.jena.sparql.engine.main.ExecutionDispatch.visit(ExecutionDispatch.java:63)
> at
> com.hp.hpl.jena.sparql.algebra.op.OpQuadPattern.visit(OpQuadPattern.java:97)
> at
> com.hp.hpl.jena.sparql.engine.main.ExecutionDispatch.exec(ExecutionDispatch.java:43)
> at
> com.hp.hpl.jena.sparql.engine.main.OpExecutor.executeOp(OpExecutor.java:119)
> at
> com.hp.hpl.jena.sparql.engine.main.OpExecutor.execute(OpExecutor.java:208)
> at
> com.hp.hpl.jena.sparql.engine.main.ExecutionDispatch.visit(ExecutionDispatch.java:105)
> at
> com.hp.hpl.jena.sparql.algebra.op.OpSequence.visit(OpSequence.java:73)
> at
> com.hp.hpl.jena.sparql.engine.main.ExecutionDispatch.exec(ExecutionDispatch.java:45)
> at
> com.hp.hpl.jena.sparql.engine.main.OpExecutor.executeOp(OpExecutor.java:119)
> at
> com.hp.hpl.jena.sparql.engine.main.OpExecutor.execute(OpExecutor.java:464)
> at
> com.hp.hpl.jena.sparql.engine.main.ExecutionDispatch.visit(ExecutionDispatch.java:246)
> at com.hp.hpl.jena.sparql.algebra.op.OpAssign.visit(OpAssign.java:116)
> at
> com.hp.hpl.jena.sparql.engine.main.ExecutionDispatch.exec(ExecutionDispatch.java:45)
> at
> com.hp.hpl.jena.sparql.engine.main.OpExecutor.executeOp(OpExecutor.java:119)
> at
> com.hp.hpl.jena.sparql.engine.main.OpExecutor.execute(OpExecutor.java:92)
> at com.hp.hpl.jena.sparql.engine.main.QC.execute(QC.java:52)
> at
> com.hp.hpl.jena.sparql.engine.main.iterator.QueryIterUnion.nextStage(QueryIterUnion.java:55)
> at
> com.hp.hpl.jena.sparql.engine.iterator.QueryIterRepeatApply.makeNextStage(QueryIterRepeatApply.java:113)
> at
> com.hp.hpl.jena.sparql.engine.iterator.QueryIterRepeatApply.hasNextBinding(QueryIterRepeatApply.java:65)
> at
> com.hp.hpl.jena.sparql.engine.iterator.QueryIteratorBase.hasNext(QueryIteratorBase.java:107)
> at
> com.hp.hpl.jena.sparql.engine.iterator.QueryIterConvert.hasNextBinding(QueryIterConvert.java:65)
> at
> com.hp.hpl.jena.sparql.engine.iterator.QueryIteratorBase.hasNext(QueryIteratorBase.java:107)
> at
> com.hp.hpl.jena.sparql.engine.iterator.QueryIterSlice.hasNextBinding(QueryIterSlice.java:76)
> at
> com.hp.hpl.jena.sparql.engine.iterator.QueryIteratorBase.hasNext(QueryIteratorBase.java:107)
> at
> com.hp.hpl.jena.sparql.engine.iterator.QueryIteratorWrapper.hasNextBinding(QueryIteratorWrapper.java:40)
> at
> com.hp.hpl.jena.sparql.engine.iterator.QueryIteratorBase.hasNext(QueryIteratorBase.java:107)
> at
> com.hp.hpl.jena.sparql.engine.iterator.QueryIteratorWrapper.hasNextBinding(QueryIteratorWrapper.java:40)
> at
> com.hp.hpl.jena.sparql.engine.iterator.QueryIteratorBase.hasNext(QueryIteratorBase.java:107)
> at
> com.hp.hpl.jena.sparql.engine.ResultSetStream.hasNext(ResultSetStream.java:70)
> at
> com.hp.hpl.jena.sparql.engine.QueryExecutionBase.execDescribe(QueryExecutionBase.java:278)
> at
> com.hp.hpl.jena.sparql.engine.QueryExecutionBase.execDescribe(QueryExecutionBase.java:256)
> <snip>
> DataSetReadActivity: 1249ms
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