Ok, going through doing refactoring to test out the polymorphism
support and such and came accross another bug (i think).
Anyways, good news first! Poly worked great when I only had one subclass! =)
Now bad news, when I added another subclass things seem to have borked
on object load time. If my datasets are all empty I can create the
classes/objects fine, no errors or nothing. BUT when I go to load the
classes from the database I get a NPE with the following trace:
java.lang.NullPointerException
at
org.exolab.castor.jdo.engine.SQLEngine.calculateNumberOfFields(SQLEngine.java:1400)
at org.exolab.castor.jdo.engine.SQLEngine.load(SQLEngine.java:1194)
at
org.exolab.castor.persist.ClassMolder.loadFields(ClassMolder.java:741)
at org.exolab.castor.persist.ClassMolder.load(ClassMolder.java:792)
at org.exolab.castor.persist.LockEngine.load(LockEngine.java:368)
at
org.castor.persist.TransactionContext.load(TransactionContext.java:713)
at
org.castor.persist.TransactionContext.load(TransactionContext.java:550)
at org.exolab.castor.persist.ClassMolder.load(ClassMolder.java:932)
at org.exolab.castor.persist.LockEngine.load(LockEngine.java:368)
at
org.castor.persist.TransactionContext.load(TransactionContext.java:713)
at
org.castor.persist.TransactionContext.load(TransactionContext.java:550)
at org.exolab.castor.jdo.engine.DatabaseImpl.load(DatabaseImpl.java:345)
at org.exolab.castor.jdo.engine.DatabaseImpl.load(DatabaseImpl.java:312)
I ran the query that caster spits out from logging and the fields of
the opposite class I am loading are all NULL (which makes sense), but
I dont know if this has anything to do with it or not.
I'm not sure what I can do to provide any more info on this. This was
all working at one point, but then I got rid of the extra fields in
one of my database tables during refactoring and things busted. :(
But none of those fields should have even been affecting anything, and
like I said, I can create objects just fine!
Any ideas on whats going on?
Thanks!
-Nick
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