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https://issues.apache.org/jira/browse/DERBY-2885?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Knut Anders Hatlen closed DERBY-2885.
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> Wrong connection object used in EmbedConnection.clearLOBMapping()
> -----------------------------------------------------------------
>
> Key: DERBY-2885
> URL: https://issues.apache.org/jira/browse/DERBY-2885
> Project: Derby
> Issue Type: Bug
> Components: JDBC, Performance
> Affects Versions: 10.3.1.4, 10.4.0.0
> Reporter: Knut Anders Hatlen
> Assignee: Knut Anders Hatlen
> Fix For: 10.3.1.4, 10.4.0.0
>
> Attachments: lobmap.diff, lobmap2.diff
>
>
> I think there are two bugs in EmbedConnection.clearLOBMapping():
> 1) It checks if lobHashMap is non-null, but it should have checked
> rootConnection.lobHashMap.
> 2) It calls getlobHMObj().clear() regardless of whether there is a HashMap.
> This creates a HashMap object even though it's not needed, and all the
> subsequent transactions on that connection have to perform cleanup on that
> object.
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