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https://issues.apache.org/jira/browse/DERBY-2905?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Rick Hillegas updated DERBY-2905:
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Attachment: ww.java
Attaching ww.java. This patch shows an odd side-effect of the 1063996
submission. Before that submission, reloading the engine via Class.forName(...)
resulted in the AutoloadedDriver being registered. After the 1063996 checkin,
the same sequence of steps results in Driver40 being registered. I think it
would be better if DriverManager.getDriver() always returned an
AutoloadedDriver. I have some misgivings that supporting two paths here is
going to give rise to mischief.
> 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
> Attachments: DERBY-2905-2.diff, DERBY-2905_1.diff, DERBY-2905_3.diff,
> DERBY-2905_part2_1.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, 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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