Nick, could it be that you've got fields that are mapped to an XML artefact but not to Castor JDO ?
Werner Nick Stuart wrote: > 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 > > ------------------------------------------------- > If you wish to unsubscribe from this list, please > send an empty message to the following address: > > [EMAIL PROTECTED] > ------------------------------------------------- > > ------------------------------------------------- If you wish to unsubscribe from this list, please send an empty message to the following address: [EMAIL PROTECTED] -------------------------------------------------
