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https://issues.apache.org/jira/browse/DERBY-5830?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Knut Anders Hatlen updated DERBY-5830:
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Attachment: keys-only-v2.diff
Attaching keys-only-v2.diff, based on keys-only.diff attached to DERBY-4269.
The patch removes the unnecessary calls to Properties.getProperty(). Unlike the
original keys-only.diff, it uses a HashSet to store the set of property names
so that duplicate names are removed automatically.
Both suites.All and derbyall ran cleanly with the patch.
> Make DoubleProperties.propertyNames() thread-safe
> -------------------------------------------------
>
> Key: DERBY-5830
> URL: https://issues.apache.org/jira/browse/DERBY-5830
> Project: Derby
> Issue Type: Bug
> Components: Services
> Affects Versions: 10.9.1.0
> Reporter: Knut Anders Hatlen
> Assignee: Knut Anders Hatlen
> Attachments: keys-only-v2.diff
>
>
> As discussed in DERBY-4269, DoubleProperties.propertyNames() may throw a
> NullPointerException if properties are removed by another thread while the
> method is executing. Since DoubleProperties is a sub-class of, and used as a
> drop-in replacement for, java.util.Properties, it should be thread-safe just
> like the propertyNames() method in the parent class.
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