[jira] Commented: (DERBY-2905) Shutting down embedded Derby does not remove all code, the AutoloadDriver is left registered in the DriverManager.

["Kathey Marsden (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/DERBY-2905?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13000983#comment-13000983 ] 

Kathey Marsden commented on DERBY-2905:
---------------------------------------

I definitely think it was valuable to have information on the deregister attribute in the release note, because it was added as part of this change and especially because it might not make the 10.8 documentation, so +1 to adjusting the releaseNote to include it once again.



> 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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