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https://issues.apache.org/jira/browse/DERBY-2905?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13001033#comment-13001033
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Kathey Marsden commented on DERBY-2905:
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We definitely want to keep the functionality. The only thought of change that
came to mind for me in this exchange is that perhaps the double negative might
be confusing. The only possible alternative I could think of would be
something like keepregistered=true instead of deregister=false, but maybe it
is fine the way it is as that would be kind of wordy and we would need to
change it quickly.
> Shutting down embedded Derby does not remove all code, the AutoloadDriver is
> left registered in the DriverManager.
> ------------------------------------------------------------------------------------------------------------------
>
> Key: DERBY-2905
> URL: https://issues.apache.org/jira/browse/DERBY-2905
> Project: Derby
> Issue Type: Bug
> Components: JDBC
> Affects Versions: 10.2.2.0, 10.3.1.4, 10.4.1.3
> Reporter: Daniel John Debrunner
> Assignee: Lily Wei
> Fix For: 10.8.0.0
>
> Attachments: DERBY-2905-2.diff, DERBY-2905_1.diff, DERBY-2905_3.diff,
> DERBY-2905_part2_1.diff, DERBY-2905_part2_2.diff, DERBY-2905_part2_2_1.diff,
> DERBY-2905_part2_2_2.diff, DERBY-2905_part2_2_3.diff, DERBY-2905v0.diff,
> DERBY-2905v0.stat, DERBY-2905v1.diff, DERBY-2905v1.stat, DERBY-2905v3.diff,
> DERBY-2905v3.stat, Main.java, Mainv1.java, Repro2905.java,
> derby-2905-01-aa-fixAutoloadedDriverReload.diff, releaseNote.html,
> releaseNote.html, releaseNote.html, releaseNote.html, ww.java
>
>
> After a shutdown of the embedded driver the AutoloadDriver is not
> unregistered from DriverManager. However it does not support any future
> loading of connections so it has no value in remaining registered. Since the
> DriverManager class will remain forever, this means the Derby code will
> remain forever in the JVM, even if Derby was loaded by a separate class
> loader.
> Regression from 10.1 since before the AutoloadedDriver the internal driver
> did unregister itself from the DriverManager on a shutdown.
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