[ http://issues.apache.org/jira/browse/GERONIMO-453?page=all ]
Matt Hogstrom reassigned GERONIMO-453:
--------------------------------------
Assign To: Matt Hogstrom (was: John Sisson)
> DerbySystemGBean doesn't call System.gc() in doStop() and soFail() as
> recommended in the Derby doco
> ---------------------------------------------------------------------------------------------------
>
> Key: GERONIMO-453
> URL: http://issues.apache.org/jira/browse/GERONIMO-453
> Project: Geronimo
> Type: Bug
> Versions: 1.0-M4
> Reporter: John Sisson
> Assignee: Matt Hogstrom
> Fix For: 1.0
>
> The Derby doco in the section "Shutting Down the System" at
> http://incubator.apache.org/derby/manuals/develop/develop12.html says the
> following:
> Typically, an application using an embedded Derby engine shuts down Derby
> just before shutting itself down.
> However, an application can shut down Derby and later restart it in the
> same JVM session.
> To restart Derby successfully, the JVM needs to unload
> org.apache.derby.jdbc.EmbeddedDriver,
> so that it can reload it when it restarts Derby. (Loading the local
> driver starts Derby.)
> You cannot explicitly request that the JVM unload a class, but you can
> ensure that the EmbeddedDriver
> class is unloaded by using a System.gc() to force it to garbage collect
> classes that are no longer needed.
> Running with -nogc or -noclassgc definitely prevents the class from being
> unloaded and makes you unable
> to restart Derby in the same JVM.
> Anyone have any objections to the recommendation of calling System.gc()?
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