[jira] [Resolved] (STANBOL-495) Registry with materialized (hasOntology,isOntologyOf) pairs causes infinite loop

["Alessandro Adamou (Resolved) (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/STANBOL-495?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Alessandro Adamou resolved STANBOL-495.
---------------------------------------

    Resolution: Fixed
    
> Registry with materialized (hasOntology,isOntologyOf) pairs causes infinite loop
> --------------------------------------------------------------------------------
>
>                 Key: STANBOL-495
>                 URL: https://issues.apache.org/jira/browse/STANBOL-495
>             Project: Stanbol
>          Issue Type: Bug
>          Components: Ontology Manager
>            Reporter: Alessandro Adamou
>            Assignee: Alessandro Adamou
>            Priority: Critical
>              Labels: memory_leak
>
> It seems that if an ontology registry (in RDF) contains a pair of triples such as
> <Library1 meta:hasOntology Ontology1>
> <Ontology1 meta:isOntologyOf Library1>
> RegistryManagerImpl.populateRegistry() method enters an infinite loop.
> This ends up in a StackOverflowError and the RegistryManagerImpl component failing to activate.
> It should be possible to solve it by adding a check to a visitor method.

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