On Dec 5, 2008, at 7:22 AM, Alan Zebchuk wrote:
I seem to get the following exception in one of my applications
lately:
com.webobjects.eoaccess.EOGeneralAdaptorException:
EvaluateExpression failed:
<com.webobjects.jdbcadaptor.PostgresqlExpression: "INSERT INTO "......
Next exception:SQL State:23502 -- error code: 0 -- msg: ERROR: null
value in column "oid_person_type" violates not-null constraint
Any ideas how this could happen? The relationship and attribute are
marked as mandatory in the EO Model, so I'm not sure how this would
even pass through the validation?
It might be possible that this is related to load on the
application. I have 2 instance of this application, one which has a
much heavier load. This error is only occurring on this instance.
Any help is greatly appreciated,
Is this supposed to be an insert operation? I have seen cases where
faults getting fired while evaluating delete rules can muck with the
state of an EC changing operations between delete, insert, and
update. This may have been a deleted object that the relationships
had been nulled on that EOF is then trying to insert at a level below
the validity checks. Fun one, this.
Chuck
--
Chuck Hill Senior Consultant / VP Development
Practical WebObjects - for developers who want to increase their
overall knowledge of WebObjects or who are trying to solve specific
problems.
http://www.global-village.net/products/practical_webobjects
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