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https://issues.apache.org/jira/browse/DERBY-2162?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Knut Anders Hatlen updated DERBY-2162:
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Urgency: Normal
Triaged for 10.5.2.
> Shutting down a database loaded from a jar file via the classpath and
> URLClassLoader leaves an open file reference to the jar file containing the
> database.
> ------------------------------------------------------------------------------------------------------------------------------------------------------------
>
> Key: DERBY-2162
> URL: https://issues.apache.org/jira/browse/DERBY-2162
> Project: Derby
> Issue Type: Bug
> Components: Services
> Affects Versions: 10.2.1.6, 10.3.1.4
> Reporter: Daniel John Debrunner
> Priority: Minor
>
> A bug in java.net.URLClassLoader causes the underlying jar file to be held
> open once a resource has been fetched and opened.
> Loading a class or just accessing the URL for the resource does not keep the
> jar open. Reported the bug to Sun, it is similar to the existing bug Java bug
> 4950148 but in this case no amount of garbage collection will close the jar.
> Derby exposes this as all containers/files are opened using as resources when
> loading the database from the classpath.
> On windows this is seen as the inability to delete the jar file, seen by the
> fixture testDatabaseInClasspath in DatabaseClassLoadingTest.
> Similar to DERBY-2083 but due to a different cause.
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