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Re: ClassLoader problem in Servlet environment (Tomcat)
On Fri, 09 Mar 2001, Roy Ladner wrote:
> How do we get the patch?
Just checkout the CVS. Detailed information on CVS can be found at
http://ozone-db.org.
Falko
>
> Falko Braeutigam wrote:
>
> > On Fri, 09 Mar 2001, Falko Braeutigam wrote:
> > > On Fri, 09 Mar 2001, Nathan Eric Probst wrote:
> > :
> > > > I can make it work with RemoteDatabase by putting my WEB-INF/classes
> > > > directory in the classpath when I start ozone, but this is not a good
> > > > solution.
> > >
> > > There are two ClassLoaders in ozone, one for jdk1.1 and one for jdk1.2+. By
> > > default the 1.1 is used. This one calls Class.forName() to actually get the
> > > class. I'm not sure if Class.forName() uses the threads ClassLoader which is
> > > needed to get the servlet ClassLoader which probably has access to the WEB-INF
> > > classes. I will check this. Stay tuned.
> >
> > I've committed a small patch. ClassManager now uses context loader directly
> > instead of the ozone loader. Thus the ozone server should now have access to
> > all the classes that the servlet engine wants to make available to your servlet
> > (WEB-INF/classes).
> >
> > Falko
> >
> > >
> > >
> > > Falko
> > >
> > > >
> > > > In fact, I need to be able to use only a LocalDatabase and no special
> > > > classpath treatments. The app I'm developing will be deployed to a
> > > > third-party hosting provider where I will not have control over the
> > > > environment. So, everything need to work from within the servlet
> > > > context.
> > > >
> > > > Please help!
> > > >
> > > > Thanks,
> > > > Nathan Probst
> > > --
> > > ______________________________________________________________________
> > > Falko Braeutigam mailto:falko@smb-tec.com
> > > SMB GmbH http://www.smb-tec.com
> > --
> > ______________________________________________________________________
> > Falko Braeutigam mailto:falko@smb-tec.com
> > SMB GmbH http://www.smb-tec.com
>
> --
> Dr. Roy Ladner
> Naval Research Laboratory
> Digital Mapping, Charting and Geodesy Analysis Program
> Building 1005, Code 7440.2
> Stennis Space Center, MS 39529
> voice: (228) 688-4679
> fax: (228) 688-4853
> email: rladner@nrlssc.navy.mil
> URL: http://dmap.nrlssc.navy.mil/dmap/3d.html
--
______________________________________________________________________
Falko Braeutigam mailto:falko@smb-tec.com
SMB GmbH http://www.smb-tec.com