Re: [morph-user] Problem running a Morph-ed app in WebSphere AppServer

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Hi Alan,
  Sorry PARENT_LAST didn't help.  I know it's a tall
order, but if you can possibly throw together a small
mock application that exhibits the problem I'll be
happy to look further.  :(  Other than that I'm not
sure what I can do, unless I run into the same problem
on my own.  But at my shop we're still on WAS
5.1--that's why I asked about earlier versions.

br,
Matt

--- Stewart Alan <ASt...@wo...> wrote:

> I configured our WebSphere (6.1.0.5) app server to
> use "Parent last" as
> the class loading mode, but still get the same
> problem.
> 
> I haven't tried the app in any earlier version of
> WebSphere (we don't
> have any version apart from 6.1 installed) and I use
> Eclipse instead of
> RAD.
> 
> Not sure how to proceed now. It is blowing up on a
> search of our "User"
> objects. The User object overrides hashCode and
> equals. The only
> different thing about this domain object is that the
> Hibernate "id"
> attribute uses a generator class of "assigned" and
> is in fact the
> username, which is a String. All other domain
> objects use db sequences
> (ie numerics) in the Hibernate mappings, as the
> primary keys are
> synthetic. User uses a natural key.
> I can't see how this would affect the operation of
> Morph anyway,
> considering it works fine in Tomcat and JBoss.
> 
> Alan 
> 
> 
> 
> -----Original Message-----
> From: mor...@li...
> [mailto:mor...@li...] On
> Behalf Of Matt
> Benson
> Sent: Tuesday, 30 January 2007 7:56 AM
> To: For questions about Morph
> Subject: Re: [morph-user] Problem running a Morph-ed
> app in WebSphere
> AppServer
> 
> 
> Yes, it sounds as though morph and the application
> trying to use it are getting String.class from
> different classloaders.  Libraries that deal
> extensively with class equality, AFAIK, can either
> compare classes by name (ugh!) or use .equals()
> which,
> not being overridden in Class.class, is equivalent
> to
> ==.  Your best bet is to do what you can to
> eliminate
> classloader weirdness in your application deployment
> setup.
> 
> Do you know if earlier versions of WAS suffer from
> the
> same problem?  If you are using RAD, you may have
> additional test environments available to you for
> testing.
> 
> FWIW/HTH,
> Matt
> 
> --- Stewart Alan <ASt...@wo...> wrote:
> 
> > Hi,
> > We're using Morph to do 2-way transformations
> > between our domain objects
> > and data transfer objects.  My application works
> > perfectly when deployed
> > to a Tomcat 5.5 or Jboss 4.0 server, but the exact
> > same WAR deployed to
> > WebSphere 6.1.0.3 gives me an error when I try to
> do
> > a transformation:
> > 
> > Could not find a transformer that can transform
> > objects of (class
> > java.lang.String) to objects of (class
> > java.lang.String)
> > 
> > Could this be a class-loading issue?
> > 
> > Thanks
> > Alan
> > 
> >
>
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