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https://issues.apache.org/jira/browse/JENA-1236?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15493140#comment-15493140
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Andy Seaborne commented on JENA-1236:
-------------------------------------
{{DatasetGraphMapLink}} isn't passing down the pseudo-commit in anyway. It
should at least call {{ARQ.sync}} on all graphs. Given the composite ad hoc
nature of {{DatasetGraphCollection}} (the purpose of this and the super class),
it will not be a perfect commit in all cases.
Also, the case of graphs, an inf graph, over a database, may be worth pulling
out and handling specially.
> Failure during query in restarted Fuseki server (inference)
> -----------------------------------------------------------
>
> Key: JENA-1236
> URL: https://issues.apache.org/jira/browse/JENA-1236
> Project: Apache Jena
> Issue Type: Bug
> Components: Fuseki
> Affects Versions: Fuseki 2.4.0
> Reporter: Andy Seaborne
> Attachments: config.ttl, mobilePhoneCustomClasses.ttl
>
>
> Report: [users@
> email|https://lists.apache.org/thread.html/0234228110f0d018b031a90cbca0f222b702b3b0183913449c308dbe@%3Cusers.jena.apache.org%3E]
> A simpler sequence:
> * Start fuseki --conf config.ttl
> * Load the file
> * Stop the server
> * Start the server
> * make a query on /inf.
> {noformat}
> [2016-09-15 11:15:12] Fuseki INFO [1] POST
> http://localhost:3030/inf/sparql
> [2016-09-15 11:15:12] Fuseki INFO [1] POST /inf :: 'sparql' ::
> [application/x-www-form-urlencoded charset=utf-8] ?
> [2016-09-15 11:15:12] Fuseki INFO [1] Query = SELECT * WHERE {
> ?subject ?predicate ?object } LIMIT 10
> [2016-09-15 11:15:12] QueryIteratorCheck WARN Open iterator: TripleMapper/68
> [2016-09-15 11:15:12] Fuseki WARN [1] RC = 500 : Invalid id node for
> subject (null node): ([0000000000000000], [0000000000000022],
> [0000000000000054])
> org.apache.jena.atlas.lib.InternalErrorException: Invalid id node for subject
> (null node): ([0000000000000000], [0000000000000022], [0000000000000054])
> at org.apache.jena.tdb.lib.TupleLib.triple(TupleLib.java:98)
> at org.apache.jena.tdb.lib.TupleLib.triple(TupleLib.java:84)
> ...
> {noformat}
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