Ok, I will try.

Maybe the model but I maybe did something stupid: I opened the models with the M3 modeler then saved them. Still the crash. Then reverted to M2 (without changing the models). Again a crash.... which seems to tell us it is not M3.

But: are the model formats compatible between M2 and M3 ? In other words, can I continue to work with M3 modeler whatever version M2 or M3 of Cayenne I am using?

Thanks,

Alex

Le 5 févr. 08 à 10:13, Andrus Adamchik a écrit :


On Feb 5, 2008, at 11:02 AM, Alexander Lamb (dev) wrote:

Caused by: java.lang.NullPointerException
at org .apache .cayenne .map.AshwoodEntitySorter.fillInMetadata(AshwoodEntitySorter.java:265) at org .apache .cayenne .map.AshwoodEntitySorter._indexSorter(AshwoodEntitySorter.java:98) at org .apache .cayenne .map.AshwoodEntitySorter.sortDbEntities(AshwoodEntitySorter.java:137)

Did anything change in your mapping since the Cayenne update? The easiest way debug the NPE is to put a breakpoint at the line above and see why "join.getTarget()" returns null. I suspect a mapping problem, but don't fully exclude a possibility of a Cayenne bug.

Andrus


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