[jira] Assigned: (CLEREZZA-197) TDB + ConcurrentModificationException

["Reto Bachmann-Gmür (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/CLEREZZA-197?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Reto Bachmann-Gmür reassigned CLEREZZA-197:
-------------------------------------------

    Assignee: Reto Bachmann-Gmür

> TDB + ConcurrentModificationException
> -------------------------------------
>
>                 Key: CLEREZZA-197
>                 URL: https://issues.apache.org/jira/browse/CLEREZZA-197
>             Project: Clerezza
>          Issue Type: Bug
>            Reporter: Oliver Strässer
>            Assignee: Reto Bachmann-Gmür
>            Priority: Blocker
>
> After I changed the Actioncenter from sesame to tdb, i got the following Error:
> java.util.ConcurrentModificationException
>         at com.hp.hpl.jena.tdb.store.GraphTDBBase$MapperIteratorTriples.checkCourrentModification(GraphTDBBase.java:209)
>         at com.hp.hpl.jena.tdb.store.GraphTDBBase$MapperIteratorTriples.hasNext(GraphTDBBase.java:217)
>         at org.apache.clerezza.rdf.jena.storage.JenaGraphAdaptor$1.hasNext(JenaGraphAdaptor.java:80)
>         at org.apache.clerezza.rdf.core.impl.AbstractTripleCollection$1.hasNext(AbstractTripleCollection.java:77)
>         at org.apache.clerezza.rdf.core.access.LockingIterator.hasNext(LockingIterator.java:47)
>         at 
> This problem occurs many times on different places and variations. 
> An error in the same category (i can't reproduce the situation) - occurs while reading the graph an iterating through the graph - with hasnext / next
> the exceptions was something like "elemntmnotfound" at the next(method).

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