On 12/01/2008, at 11:42 AM, Gary Jarrel wrote:

Caused by: java.lang.NullPointerException
       at org.apache.cayenne.access.DataContext$1.visitToOne(
DataContext.java:599)

Hmm... the line in question is:

Map idParts = target.getObjectId().getIdSnapshot();

I can't imagine why the objectId for the target (toOne) record is null. (target can't be null in that bit of code.) Perhaps you can examine the contents of your context at that point a bit further to glean more information.

As for your question about handling the exception, it sounds like the easiest approach is to throw out the context and create a new one. Are you using one context per logged in web session?

Interesting site by the way: I've done a bit of work for real estate agents and it was unusual to find technology literate agents.

Cheers
Ari Maniatis


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