Re: [WDSCI-L] Now for something completely different...

["colin williams" <colin.williams@xxxxxxxxxxxx>]

Joe,

would be interesting to know if this is standard java behaviour or an as400
feature

cheers
Colin.W

----- Original Message ----- 
From: "Joe Pluta" <joepluta@xxxxxxxxxxxxxxxxx>
To: "'Websphere Development Studio Client for iSeries'"
<wdsci-l@xxxxxxxxxxxx>
Sent: Friday, June 25, 2004 4:42 PM
Subject: RE: [WDSCI-L] Now for something completely different...


> > From: colin williams
> >
> > Joe,
> >
> > I think the loading and unloading of classes, and their dependencies,
> > - Static variables
> > - Static initializers
> > - Native methods
> >
> > is dependent on the classloader that loaded it.
> >
> > That would lead me to think that any class, and hence static
> initializers
> > loaded by a specific web application classloader, will be unloaded
> when
> > any
> > references to that classloader are removed. Presumably stopping a web
> > application does this.
>
> >From my empirical testing it looks as though the following occurs:
>
> Classes are unloaded
> Statics are thus reinitialized
>
> However, the native methods are not completely cleaned up.
> Specifically, it looks as though the service program that the Java
> Toolkit talks to is not released (QSYS/QYJSPART).  The newly started
> application cannot load the service program ("it is already loaded in
> another classloader") and so gets an UnsatisfiedLink error and dies.
>
> Not particularly helpful.
>
> Joe
>
> _______________________________________________
> This is the Websphere Development Studio Client for iSeries  (WDSCI-L)
mailing list
> To post a message email: WDSCI-L@xxxxxxxxxxxx
> To subscribe, unsubscribe, or change list options,
> visit: http://lists.midrange.com/mailman/listinfo/wdsci-l
> or email: WDSCI-L-request@xxxxxxxxxxxx
> Before posting, please take a moment to review the archives
> at http://archive.midrange.com/wdsci-l.
>


This e-mail has been sent by a company of Bertram Group Ltd, whose registered 
office is 1 Broadland Business Park, Norwich, NR7 0WG. 
This message, and any attachments, are intended solely for the addressee and 
may contain privileged or confidential information.  If you are not the 
intended recipient, any disclosure, copying, distribution or any action taken 
or omitted to be taken in reliance on it, is prohibited and may be unlawful.  
If you believe that you have received this email in error, please contact the 
sender immediately. Opinions, conclusions and statements of intent in this 
e-mail are those of the sender and will not bind a Bertram Group Ltd company 
unless confirmed in writing by a director independently of this message. 
Although we have taken steps to ensure that this email and any attachments are 
free from any virus, we advise that in keeping with good computing practice the 
recipient should ensure they are actually virus free.