openjpa-users mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From Craig L Russell <Craig.Russ...@Sun.COM>
Subject Re: Please make Exceptions more useful...
Date Wed, 02 Apr 2008 17:04:52 GMT
Hi David,

Excellent comment. Can you please file a JIRA so we can track this  



On Apr 2, 2008, at 5:46 AM, David Goodenough wrote:

> I just got an error message which said:-
> Exception in thread "main" <openjpa-1.0.2-r420667:627158 nonfatal  
> general
> error> org.apache.openjpa.persistence.PersistenceException:  
> java.util.Date
> cannot be cast to java.util.Collection
> In this (and the accompanying stack trace) there is no indication  
> which Date
> object cannot be cast to a Collection.  Yes from the stack trace I  
> know that
> I was trying to persist a particular root object, but I have no idea  
> which
> class and field this error refers to.  Simply adding the class and  
> field would
> make debugging so much easier.
> Then once I know which Date field it might be, I can start to try to  
> work out
> why it wanted to cast it to a collection.  Presumably this was it  
> was trying
> to map this to a particular table, or to a set of objects of a given  
> type, and
> again it would be useful to know what application object as opposed  
> to raw
> java class it was trying to map to.
> David

Craig Russell
Architect, Sun Java Enterprise System
408 276-5638
P.S. A good JDO? O, Gasp!

View raw message