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From "Michael Dick (JIRA)" <j...@apache.org>
Subject [jira] Updated: (OPENJPA-365) Unexpected behavior on finding a Composite Key entity with a single value.
Date Thu, 31 Jul 2008 20:48:31 GMT

     [ https://issues.apache.org/jira/browse/OPENJPA-365?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Michael Dick updated OPENJPA-365:
---------------------------------

    Fix Version/s: 1.2.0

> Unexpected behavior on finding a Composite Key entity with a single value.
> --------------------------------------------------------------------------
>
>                 Key: OPENJPA-365
>                 URL: https://issues.apache.org/jira/browse/OPENJPA-365
>             Project: OpenJPA
>          Issue Type: Bug
>          Components: kernel
>         Environment: Windows XP, JDK 1.5, OpenJPA 0.9.7
>            Reporter: Gene Wu
>            Assignee: Pinaki Poddar
>             Fix For: 1.2.0
>
>
> Entity A has a composite key AId, thus User should look up A with an instance of AId.
> Example: em.find(A.class, new AId());
> In case of looking up A with a single value, for example: em.find(A.class, 12345). It
will through an unexpected exception:
> >>>The id type "AId" specfied by persistent type "A" does not have a  public
string or class + string constructor.
> >>>>> org.apache.openjpa.kernel.BrokerImpl.newObjectId 
> >>>>> (BrokerImpl.java:1120)
> >>>>> [WLServer TmsServer]    at  
> >>>>> org.apache.openjpa.kernel.DelegatingBroker.newObjectId 
> >>>>> (DelegatingBroker.java:254)
> >>>>> [WLServer TmsServer]    at  
> >>>>> org.apache.openjpa.persistence.EntityManagerImpl.find 
> >>>>> (EntityManagerImpl.java:345)
> I suppose to get an exception of error id type.

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