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From "Donald Woods (JIRA)" <>
Subject [jira] Assigned: (OPENJPA-1778) Improved error information for unenhanced classes.
Date Thu, 09 Sep 2010 12:20:33 GMT


Donald Woods reassigned OPENJPA-1778:

    Assignee: Donald Woods

> Improved error information for unenhanced classes. 
> ---------------------------------------------------
>                 Key: OPENJPA-1778
>                 URL:
>             Project: OpenJPA
>          Issue Type: Bug
>          Components: jpa
>    Affects Versions: 2.0.0
>            Reporter: Rick McGuire
>            Assignee: Donald Woods
>            Priority: Minor
> The exception message issued by openjpa 2.0 for the use of an unenhanced class is not
as useful as the message issued by the 1.x versions.  In 2.0, the following message is received:
> <openjpa-2.0.0-r422266:935683 nonfatal user error> org.apache.openjpa.persistence.ArgumentException:
Attempt to cast instance "org.apache.sample.entities.Book@97781f" to PersistenceCapable failed.
Ensure that it has been enhanced.
> FailedObject: org.apache.sample.entities.Book@97781f
> While the same application run using openjpa 1.x gives this message:  
> <openjpa-1.2.1-r752877:753278 fatal user error> org.apache.openjpa.persistence.ArgumentException:
No metadata was found for type "class org.apache.sample.entities.Book". The class does not
appear in the list of persistent types: [org.apache.geronimo.sample.entities.Book].
> The 2.0 message no longer points to the persistence.xml definition as the potential source
of error.  It should give some possible solutions to "Ensure that is has been enhanced". 
Perhaps something like "Ensure that the class is included in the list of persistent types
or enhanced as part of the application build".  

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