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https://issues.apache.org/jira/browse/DERBY-5316?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Knut Anders Hatlen resolved DERBY-5316.
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Resolution: Fixed
Fix Version/s: 10.9.0.0
Issue & fix info: (was: [Patch Available])
Committed revision 1145973.
Resolving the issue since all the old engines seem to get garbage collected in
my environment now.
> Unload old JDBC drivers when done with them in the upgrade tests
> ----------------------------------------------------------------
>
> Key: DERBY-5316
> URL: https://issues.apache.org/jira/browse/DERBY-5316
> Project: Derby
> Issue Type: Improvement
> Components: Test
> Reporter: Knut Anders Hatlen
> Assignee: Knut Anders Hatlen
> Fix For: 10.9.0.0
>
> Attachments: clear-contextservice.diff, clear-threadlocal.diff,
> deregister-check.diff, deregister-v2.diff, deregister.diff
>
>
> Discussed in this thread on derby-dev:
> http://mail-archives.apache.org/mod_mbox/db-derby-dev/201107.mbox/%[email protected]%3E
> After we're done testing an old version in the upgrade tests, its classes are
> still loaded in the JVM because the old driver is referenced in
> DriverManager. We should find a way to unload the old drivers so that the
> memory usage of the upgrade tests is reduced. Now we typically need to run
> with -XX:MaxPermSize=200M or similar options to work around this issue.
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