Simon Stewart wrote: > On Wed, May 15, 2002 at 10:48:48PM -0500, Dain Sundstrom wrote: > >>>I'm starting to suspect that JBoss might be the culprit here. If I >>>manually extract an object from the byte array, it turns out to be a >>>java.rmi.MarshalledObject when the expected class was java.lang.String. >>> >>>Can anyone shed some light on this? I'm using CMP 2, if that helps. >>> >>JBossCMP stores objects in serialized form using a MarshalledObject. I >>copied this code from JAWS, so I am not sure of the reasons. I think it >>has something to do with portability of stored objects, but the real >>reason is it works. >> > > Agreed, storing Objects as MarshalledObjects is the Right Way to store > things into the database so that they can be recovered, but that > doesn't explain why when I store an Object via CMP, a byte array is > returned on subsequent get()s. I can convert the byte array into an > ObjectInputStream, pull out the MarshalledObject and then do a get() > on that to restore the object, but that shouldn't be necessary. > > For an interface like this: > > public void setObject( String key, Object value ); > public Object getObject( key ); > > and then attempt to use it: > > SomeEJB.setObject( "key", new URL( "http://www.foo.com"; ) ); > URL url = (URL) SomeEJB.getObject( "key" ); > > I should _not_ be getting a ClassCastException (from memory: this > happened last night, and I've kludged a work-around using Strings) > when I call get(), but that's exactly what happens! > > I can extract the necessary bits from my code and send it to you as a > simple test case if that would help.... >
Before you do this, make sure it is not a DB or driver bug. I specifically remember PostgreSQL having problems with URLs. Try your code with hypersonic. -dain _______________________________________________________________ Have big pipes? SourceForge.net is looking for download mirrors. We supply the hardware. You get the recognition. Email Us: [EMAIL PROTECTED] _______________________________________________ JBoss-user mailing list [EMAIL PROTECTED] https://lists.sourceforge.net/lists/listinfo/jboss-user
