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From stlecho <>
Subject Mapping different Embedded of the same type to the same table
Date Fri, 18 Jun 2010 14:41:27 GMT


I would like to map 2 Embedded properties with the same Embeddable to the
same table. When using underneath shown config, OpenJPA generates an
InvalidStateException (see stacktrace below).

Ideally, the Response.normalDetail and Response.servicesDetail properties
should be mapped respectively to

Is it possible to specify the NORMAL_ and SERVICES_ column prefixes in the
configuration of the Embedded properties ? If the answer is "no", which
alternatives do I have to solve this issue ?

public class Response
   protected Detail normalDetail;
   protected Detail servicesDetail;

public class Detail   
   protected Integer amount;
   protected String description;

Caused by: <openjpa-1.2.2-r422266:898935 fatal user error>
org.apache.openjpa.persistence.InvalidStateException: Attempt to set column
"Response.amount" to two different values: (class java.lang.Integer)"10",
(class java.lang.Integer)"1" This can occur when you fail to set both sides
of a two-sided relation between objects, or when you map different fields to
the same column, but you do not keep the values of these fields in synch. 
    at org.apache.openjpa.jdbc.sql.PrimaryRow.setObject( 
    at org.apache.openjpa.jdbc.sql.RowImpl.setObject( 

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