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https://issues.apache.org/jira/browse/CLEREZZA-670?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Daniel Spicar resolved CLEREZZA-670.
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Resolution: Fixed
Thanks Rupert
> Integer MAX/MIN value overflow in Comparator of the RDF JSON serializer
> -----------------------------------------------------------------------
>
> Key: CLEREZZA-670
> URL: https://issues.apache.org/jira/browse/CLEREZZA-670
> Project: Clerezza
> Issue Type: Bug
> Components: rdf.serialize
> Reporter: Rupert Westenthaler
> Assignee: Daniel Spicar
> Labels: rdf/json
> Attachments:
> CLEREZZA-670_rdf.rdfjson.int_value_overflow_and_wrong_datatypes_in_parser,
> CLEREZZA-670_rdf.rdfjson.int_value_overflow_in_subject_comparator
>
>
> The implementation of the SUBJECT_COMPARATOR within the
> RdfJsonSerializingProvider sometimes encounters an int MAX/MIN value overflow.
> In such cases the compare method erroneously returns an
> * negative value - on a max value overflow or an
> * positive value - on a min value overflow.
> what causes the Triple array used for the serialization not being correctly
> sorted. In such cases subjects do appear multiple times within the generated
> json output.
> To solve this one needs to replace the substraction of "hashA" from "hashB"
> with a boolean check that returns a -1/+1.
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