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https://issues.apache.org/jira/browse/DERBY-2905?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13002670#comment-13002670
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Rick Hillegas commented on DERBY-2905:
--------------------------------------

Hi Lily. We could add a link to the documentation for the deregister attribute, 
but the link won't work while we are evaluating the RC. That is because the 
10.8 docs will not have been posted on the Derby site yet. I would prefer to 
not create that situation. Thanks.

> 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, 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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