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From Craig L Russell <Craig.Russ...@Sun.COM>
Subject Re: Misleading error message
Date Fri, 24 Aug 2007 05:36:00 GMT
Hi Erik,

Please file a JIRA issue on this so we can track it.

Thanks,

Craig

On Aug 23, 2007, at 3:44 PM, Erik Bengtson wrote:

> Hi,
>
> Running the following code, and if the jpox.properties cannot be  
> found, a
> misleading message is raised that indicates a missing a EntityManager
> persistence provider, but should actually tell me that my resource
> jpox.properties cannot be found.
>
> PersistenceManagerFactory pmf =
> JDOHelper.getPersistenceManagerFactory("jpox.properties");
>
> ------------------
> Exception in thread "main" javax.jdo.JDOFatalUserException: Unable  
> to invoke
> javax.persistence.Persistence.createEntityManagerFactory(String)
> 	at javax.jdo.JDOHelper.getPMFFromEMF(JDOHelper.java:1210)
> 	at javax.jdo.JDOHelper.getPersistenceUnit(JDOHelper.java:952)
> 	at javax.jdo.JDOHelper.getPersistenceManagerFactory(JDOHelper.java: 
> 894)
> 	at javax.jdo.JDOHelper.getPersistenceManagerFactory(JDOHelper.java: 
> 836)
> 	at javax.jdo.JDOHelper.getPersistenceManagerFactory(JDOHelper.java: 
> 814)
> 	at org.jpox.persistence.Main.main(Main.java:10)
> NestedThrowablesStackTrace:
> java.lang.reflect.InvocationTargetException
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
> 	at java.lang.reflect.Method.invoke(Unknown Source)
> 	at javax.jdo.JDOHelper.getPMFFromEMF(JDOHelper.java:1194)
> 	at javax.jdo.JDOHelper.getPersistenceUnit(JDOHelper.java:952)
> 	at javax.jdo.JDOHelper.getPersistenceManagerFactory(JDOHelper.java: 
> 894)
> 	at javax.jdo.JDOHelper.getPersistenceManagerFactory(JDOHelper.java: 
> 836)
> 	at javax.jdo.JDOHelper.getPersistenceManagerFactory(JDOHelper.java: 
> 814)
> 	at org.jpox.persistence.Main.main(Main.java:10)
> Caused by: javax.persistence.PersistenceException: No Persistence  
> provider for
> EntityManager named jpox.properties
> 	at
> javax.persistence.Persistence.createEntityManagerFactory 
> (Persistence.java:89)
> 	at
> javax.persistence.Persistence.createEntityManagerFactory 
> (Persistence.java:60)
> 	... 10 moreg

Craig Russell
Architect, Sun Java Enterprise System http://java.sun.com/products/jdo
408 276-5638 mailto:Craig.Russell@sun.com
P.S. A good JDO? O, Gasp!


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