hi all.
in a transaction, makePersistentAll() throw a exception: "Illegal argument".
this is the code:
Transaction tx = pm.currentTransaction();
try{
tx.begin();
List<Employee> list = new List<Employee>();
for(int i = 0; i < 5; i++){
list.add(........);
}
pm.makePersistentAll(list); // when run to here, app threw a
exception: Illegal argument
tx.commit();
}catch(Exception ex){
..........
}finally{
.........
}
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