Hello to all, I am beginning with OJB, and I have various problems:

1.  When I try to use example of the tutorial 4 (JDO) I cannot edit neither to 
eliminate products, showing me the next error:

java. lang. ClassCastException: org.apache.ojb.tutorial4.Product at
rg.apache.ojb.jdo.PersistenceManagerImpl.getObjectById
(PersistenceManagerImpl.java:454)  at 
g.apache.ojb.tutorial4.UCDeleteProduct.apply(Unknown S
Source) at .apache.ojb.tutorial4.Application.run(Unknown So Source) at 
apache.ojb.tutorial4.Application.main(Unknown Sou Source)

2.  Not encounter the source code fountain of these examples.  

Someone it is able to tell me that it passes with the exception and where 
encounter source code of these examples?  

Haver Amaya Guevara
Ing de Sistemas y Computación
[EMAIL PROTECTED]
ICQ: 6633909





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