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Posted to dev@jena.apache.org by "Andy Seaborne (Jira)" <ji...@apache.org> on 2021/04/17 16:49:00 UTC

[jira] [Closed] (JENA-118) SDB can't concurrently write (duplicate key error)

     [ https://issues.apache.org/jira/browse/JENA-118?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Andy Seaborne closed JENA-118.
------------------------------

> SDB can't concurrently write (duplicate key error)
> --------------------------------------------------
>
>                 Key: JENA-118
>                 URL: https://issues.apache.org/jira/browse/JENA-118
>             Project: Apache Jena
>          Issue Type: Improvement
>          Components: SDB
>            Reporter: Damian Steer
>            Priority: Major
>             Fix For: Jena 4.0.0
>
>         Attachments: lock-pg.patch
>
>   Original Estimate: 96h
>  Remaining Estimate: 96h
>
> Multiple concurrent writes in SDB can break because duplicates can appear despite the join-based duplicate suppression. Typically the users sees something like:
> org.postgresql.util.PSQLException: ERROR: duplicate key value violates unique constraint "nodes_pkey"



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