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https://issues.apache.org/jira/browse/JENA-311?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13446410#comment-13446410
]
Simon Helsen commented on JENA-311:
-----------------------------------
The first run shows the following output:
17:45:07,758 [main] DEBUG com.hp.hpl.jena.tdb.transaction.TransactionManager -
Txn[1]/W: begin$
17:45:07,790 [main] DEBUG com.hp.hpl.jena.tdb.transaction.TransactionManager -
Txn[1]/W: begin
17:45:07,927 [main] DEBUG com.hp.hpl.jena.tdb.transaction.TransactionManager -
Txn[1]/W: commit
17:45:07,927 [main] DEBUG com.hp.hpl.jena.tdb.transaction.TransactionManager -
Txn[1]/W: Add to pending queue
17:45:07,927 [main] DEBUG com.hp.hpl.jena.tdb.transaction.TransactionManager -
Txn[2]/W: begin$
17:45:07,929 [main] DEBUG com.hp.hpl.jena.tdb.transaction.TransactionManager -
Txn[2]/W: begin
17:45:07,933 [main] DEBUG com.hp.hpl.jena.tdb.transaction.TransactionManager -
Txn[2]/W: commit
17:45:07,933 [main] DEBUG com.hp.hpl.jena.tdb.transaction.TransactionManager -
Txn[2]/W: Add to pending queue
17:45:07,934 [main] DEBUG com.hp.hpl.jena.tdb.transaction.TransactionManager -
Txn[3]/W: begin$
17:45:07,935 [main] DEBUG com.hp.hpl.jena.tdb.transaction.TransactionManager -
Txn[3]/W: begin
17:45:07,939 [main] DEBUG com.hp.hpl.jena.tdb.transaction.TransactionManager -
Txn[3]/W: commit
17:45:07,939 [main] DEBUG com.hp.hpl.jena.tdb.transaction.TransactionManager -
Txn[3]/W: Add to pending queue
17:45:07,940 [main] DEBUG com.hp.hpl.jena.tdb.transaction.TransactionManager -
Txn[4]/W: begin$
17:45:07,941 [main] DEBUG com.hp.hpl.jena.tdb.transaction.TransactionManager -
Txn[4]/W: begin
<https://localhost:9443/test> <http://somePredicate/p> "foo1"
<https://localhost:9443/resource1> .
<https://localhost:9443/test> <http://somePredicate/p> "foo1"
<https://localhost:9443/resource2> .
<https://localhost:9443/test> <http://somePredicate/p> "foo3"
<https://localhost:9443/resource3> .
17:45:07,951 [main] DEBUG com.hp.hpl.jena.tdb.transaction.TransactionManager -
Txn[4]/W: commit
17:45:07,951 [main] DEBUG com.hp.hpl.jena.tdb.transaction.TransactionManager -
Txn[4]/W: Add to pending queue
The second run then shows the following:
17:45:29,534 [main] DEBUG com.hp.hpl.jena.tdb.transaction.TransactionManager -
Txn[1]/W: begin$
17:45:29,562 [main] DEBUG com.hp.hpl.jena.tdb.transaction.TransactionManager -
Txn[1]/W: begin
17:45:29,697 [main] DEBUG com.hp.hpl.jena.tdb.transaction.TransactionManager -
Txn[1]/W: commit
17:45:29,697 [main] DEBUG com.hp.hpl.jena.tdb.transaction.TransactionManager -
Txn[1]/W: Add to pending queue
17:45:29,698 [main] DEBUG com.hp.hpl.jena.tdb.transaction.TransactionManager -
Txn[2]/W: begin$
17:45:29,699 [main] DEBUG com.hp.hpl.jena.tdb.transaction.TransactionManager -
Txn[2]/W: begin
17:45:29,702 [main] DEBUG com.hp.hpl.jena.tdb.transaction.TransactionManager -
Txn[2]/W: commit
17:45:29,702 [main] DEBUG com.hp.hpl.jena.tdb.transaction.TransactionManager -
Txn[2]/W: Add to pending queue
17:45:29,702 [main] DEBUG com.hp.hpl.jena.tdb.transaction.TransactionManager -
Txn[3]/W: begin$
17:45:29,704 [main] DEBUG com.hp.hpl.jena.tdb.transaction.TransactionManager -
Txn[3]/W: begin
17:45:29,706 [main] DEBUG com.hp.hpl.jena.tdb.transaction.TransactionManager -
Txn[3]/W: commit
17:45:29,706 [main] DEBUG com.hp.hpl.jena.tdb.transaction.TransactionManager -
Txn[3]/W: Add to pending queue
17:45:29,706 [main] DEBUG com.hp.hpl.jena.tdb.transaction.TransactionManager -
Txn[4]/W: begin$
17:45:29,708 [main] DEBUG com.hp.hpl.jena.tdb.transaction.TransactionManager -
Txn[4]/W: begin
Exception in thread "main" java.lang.UnsupportedOperationException: Quad:
object cannot be null
at com.hp.hpl.jena.sparql.core.Quad.<init>(Quad.java:62)
at com.hp.hpl.jena.tdb.lib.TupleLib.quad(TupleLib.java:162)
at com.hp.hpl.jena.tdb.lib.TupleLib.quad(TupleLib.java:153)
at com.hp.hpl.jena.tdb.lib.TupleLib.access$1(TupleLib.java:149)
at com.hp.hpl.jena.tdb.lib.TupleLib$4.convert(TupleLib.java:87)
at com.hp.hpl.jena.tdb.lib.TupleLib$4.convert(TupleLib.java:1)
at org.openjena.atlas.iterator.Iter$4.next(Iter.java:301)
at org.openjena.atlas.iterator.IteratorCons.next(IteratorCons.java:97)
at org.openjena.atlas.iterator.Iter.sendToSink(Iter.java:572)
at org.openjena.riot.out.NQuadsWriter.write(NQuadsWriter.java:51)
at org.openjena.riot.out.NQuadsWriter.write(NQuadsWriter.java:38)
at org.openjena.riot.RiotWriter.writeNQuads(RiotWriter.java:41)
at
com.ibm.jena.test.QuadsObjectIsNullTest.main(QuadsObjectIsNullTest.java:147)
> Quad: object cannot be null
> ---------------------------
>
> Key: JENA-311
> URL: https://issues.apache.org/jira/browse/JENA-311
> Project: Apache Jena
> Issue Type: Bug
> Components: TDB
> Affects Versions: TDB 0.9.4
> Environment: windows 7/Oracle 6 JVM
> Reporter: Simon Helsen
>
> I have attached a test case. If you first execute it and then execute it
> again you will hit
> Exception in thread "main" java.lang.UnsupportedOperationException: Quad:
> object cannot be null
> at com.hp.hpl.jena.sparql.core.Quad.<init>(Quad.java:62)
> at com.hp.hpl.jena.tdb.lib.TupleLib.quad(TupleLib.java:162)
> at com.hp.hpl.jena.tdb.lib.TupleLib.quad(TupleLib.java:153)
> at com.hp.hpl.jena.tdb.lib.TupleLib.access$1(TupleLib.java:149)
> at com.hp.hpl.jena.tdb.lib.TupleLib$4.convert(TupleLib.java:87)
> at com.hp.hpl.jena.tdb.lib.TupleLib$4.convert(TupleLib.java:1)
> at org.openjena.atlas.iterator.Iter$4.next(Iter.java:301)
> at org.openjena.atlas.iterator.IteratorCons.next(IteratorCons.java:97)
> at org.openjena.atlas.iterator.Iter.sendToSink(Iter.java:572)
> at org.openjena.riot.out.NQuadsWriter.write(NQuadsWriter.java:51)
> at org.openjena.riot.out.NQuadsWriter.write(NQuadsWriter.java:38)
> at org.openjena.riot.RiotWriter.writeNQuads(RiotWriter.java:41)
> at
> com.ibm.jena.test.QuadsObjectIsNullTest.main(QuadsObjectIsNullTest.java:147)
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