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Posted to dev@geode.apache.org by Udo Kohlmeyer <ud...@apache.com> on 2020/02/26 18:10:42 UTC

[DISCUSSION] - ClassLoader Isolation

Hi there Geode Dev's.

There is a new RFC proposal on ClassLoader Isolation. The review end 
date is 13 Feb 2020.

https://cwiki.apache.org/confluence/display/GEODE/ClassLoader+Isolation 
<https://cwiki.apache.org/confluence/display/GEODE/ClassLoader+Isolation>

Please review and discuss in this thread.

--Udo

Re: [DISCUSSION] - ClassLoader Isolation

Posted by Alberto Gomez <al...@est.tech>.
Great proposal!

We have run into the problems mentioned in the RFC so it will be a very good addition to Geode.

+1

Obtener Outlook para Android<https://aka.ms/ghei36>
________________________________
From: Udo Kohlmeyer <ud...@apache.com>
Sent: Wednesday, February 26, 2020 7:10:42 PM
To: dev@geode.apache.org <de...@geode.apache.org>
Subject: [DISCUSSION] - ClassLoader Isolation

Hi there Geode Dev's.

There is a new RFC proposal on ClassLoader Isolation. The review end
date is 13 Feb 2020.

https://cwiki.apache.org/confluence/display/GEODE/ClassLoader+Isolation
<https://cwiki.apache.org/confluence/display/GEODE/ClassLoader+Isolation>

Please review and discuss in this thread.

--Udo

Re: [DISCUSSION] - ClassLoader Isolation

Posted by John Blum <jb...@pivotal.io>.
Bruce - The primary gist of it is, client applications do not use the
preconfigured classpath determined by Geode itself, such as would be the
case when you start servers using *Gfsh*.  Clients are not started with
*Gfsh*, or any other Geode script for that matter.

On Thu, Feb 27, 2020 at 8:53 AM Udo Kohlmeyer <ud...@apache.com> wrote:

> @Bruce, Thank you for bringing this up. The first iteration of this
> would specifically target only the server-side. BUT, I do agree, that
> clients could suffer similar problems. Yet, from experience, I (and many
> other users) have deployed different versions of the Spring Framework
> (compared to Geode) with success.
>
> Generally it is easier to resolve client-side dependencies than server,
> as one has more control over the client than a deployed (managed) server
> instance.
>
> But if we think that there is a specific scenario that a client is
> suffering from, I would be more than happy to make sure that this is
> rolled out to the client shortly after having delivered it into the server.
>
> --Udo
>
> On 2/27/20 8:45 AM, Bruce Schuchardt wrote:
> > Udo, how does this relate to the client cache?  I assume people have the
> same problems with dependencies in client-cache applications that they have
> in functions that they deploy on a server-cache.
> >
> > On 2/26/20, 10:10 AM, "Udo Kohlmeyer" <ud...@apache.com> wrote:
> >
> >      Hi there Geode Dev's.
> >
> >      There is a new RFC proposal on ClassLoader Isolation. The review end
> >      date is 13 Feb 2020.
> >
> >
> https://cwiki.apache.org/confluence/display/GEODE/ClassLoader+Isolation
> >      <
> https://cwiki.apache.org/confluence/display/GEODE/ClassLoader+Isolation>
> >
> >      Please review and discuss in this thread.
> >
> >      --Udo
> >
> >
> >
> >
>


-- 
-John
Spring Data Team

Re: [DISCUSSION] - ClassLoader Isolation

Posted by Udo Kohlmeyer <ud...@apache.com>.
@Bruce, Thank you for bringing this up. The first iteration of this 
would specifically target only the server-side. BUT, I do agree, that 
clients could suffer similar problems. Yet, from experience, I (and many 
other users) have deployed different versions of the Spring Framework 
(compared to Geode) with success.

Generally it is easier to resolve client-side dependencies than server, 
as one has more control over the client than a deployed (managed) server 
instance.

But if we think that there is a specific scenario that a client is 
suffering from, I would be more than happy to make sure that this is 
rolled out to the client shortly after having delivered it into the server.

--Udo

On 2/27/20 8:45 AM, Bruce Schuchardt wrote:
> Udo, how does this relate to the client cache?  I assume people have the same problems with dependencies in client-cache applications that they have in functions that they deploy on a server-cache.
>
> On 2/26/20, 10:10 AM, "Udo Kohlmeyer" <ud...@apache.com> wrote:
>
>      Hi there Geode Dev's.
>      
>      There is a new RFC proposal on ClassLoader Isolation. The review end
>      date is 13 Feb 2020.
>      
>      https://cwiki.apache.org/confluence/display/GEODE/ClassLoader+Isolation
>      <https://cwiki.apache.org/confluence/display/GEODE/ClassLoader+Isolation>
>      
>      Please review and discuss in this thread.
>      
>      --Udo
>      
>      
>
>

Re: [DISCUSSION] - ClassLoader Isolation

Posted by Bruce Schuchardt <bs...@pivotal.io>.
Udo, how does this relate to the client cache?  I assume people have the same problems with dependencies in client-cache applications that they have in functions that they deploy on a server-cache.

On 2/26/20, 10:10 AM, "Udo Kohlmeyer" <ud...@apache.com> wrote:

    Hi there Geode Dev's.
    
    There is a new RFC proposal on ClassLoader Isolation. The review end 
    date is 13 Feb 2020.
    
    https://cwiki.apache.org/confluence/display/GEODE/ClassLoader+Isolation 
    <https://cwiki.apache.org/confluence/display/GEODE/ClassLoader+Isolation>
    
    Please review and discuss in this thread.
    
    --Udo