Hi Patrick,
Thanks for your response! I used the @Type annotation and it solved the issue.
Best regards,
Jean
> Date: Wed, 7 Nov 2007 10:06:37 -0800> From: [EMAIL PROTECTED]> To:
> [email protected]; [EMAIL PROTECTED]> Subject: Re: Open JPA 1.0 -
> getting error "The related type has unjoined subclasses"> > Hi,> > That error
> is happening because the direct relationships to A cannot> be handled
> efficiently by Kodo; since you are using a subclass> mapping, it is
> impossible to directly join to a given record of type> A.> > You can tell
> Kodo that you are OK with this inefficiency by specifying> an @ElementType
> annotation. See>
> http://openjpa.apache.org/docs/latest/manual/manual.html#type for> details
> about these limitations and how to configure Kodo to store the>
> relationship.> > -Patrick> > On Nov 7, 2007 9:16 AM, Jean Andriamalala
> <[EMAIL PROTECTED]> wrote:> >> > Hi All,> >> > Could somebody tell me what
> the following error means:> >> > [java] Exception in thread "main"
> <1.0.0-SNAPSHOT-SNAPSHOT fatal user error> kodo.jdo.FatalUserException:
> Cannot join across "test.kodo.abstractInstance.C.c1". The related type has
> unjoined subclasses. [java] at
> org.apache.openjpa.jdbc.meta.strats.RelationStrategies.unjoinable(RelationStrategies.java:53)
> [java] at
> org.apache.openjpa.jdbc.meta.strats.RelationFieldStrategy.joinRelation(RelationFieldStrategy.java:702)
> [java] at
> org.apache.openjpa.jdbc.meta.FieldMapping.joinRelation(FieldMapping.java:835)
> [java] at
> org.apache.openjpa.jdbc.kernel.exps.PCPath.joinRelation(PCPath.java:527)
> [java] at
> org.apache.openjpa.jdbc.kernel.exps.PCPath.traverseField(PCPath.java:506)
> [java] at
> org.apache.openjpa.jdbc.kernel.exps.PCPath.initialize(PCPath.java:386) [java]
> at
> org.apache.openjpa.jdbc.kernel.exps.CompareEqualExpression.initialize(CompareEqualExpression.java:78)
> [java] at
> org.apache.openjpa.jdbc.kernel.exps.SelectConstructor.initialize(SelectConstructor.java:178)
> [java] at
> org.apache.openjpa.jdbc.kernel.exps.SelectConstructor.newSelect(SelectConstructor.java:119)
> [java] at
> org.apache.openjpa.jdbc.kernel.exps.SelectConstructor.evaluate(SelectConstructor.java:73)
> [java] at
> org.apache.openjpa.jdbc.kernel.JDBCStoreQuery.createWhereSelects(JDBCStoreQuery.java:329)
> [java] at
> org.apache.openjpa.jdbc.kernel.JDBCStoreQuery.executeQuery(JDBCStoreQuery.java:169)
> [java] at
> org.apache.openjpa.kernel.ExpressionStoreQuery$DataStoreExecutor.executeQuery(ExpressionStoreQuery.java:677)
> [java] at org.apache.openjpa.kernel.QueryImpl.execute(QueryImpl.java:985)
> [java] at org.apache.openjpa.kernel.QueryImpl.execute(QueryImpl.java:796)
> [java] at org.apache.openjpa.kernel.QueryImpl.execute(QueryImpl.java:766)> >>
> > My application is as follows:> > - Abstract base class A having attribute
> a1 and concrete subclasses B1 and B2> > - Mapping strategy for A is subclass
> table> > - Class C having attribute c1 of type A (so a direct relationship
> with abstract class A)> > - The above query is as this:> > newQuery("C",
> "c1.a1 == 'something'");> >> > I am using the BEA Kodo implementation.> >> >
> I would appreciate if you CC me on your response as I am not permanently
> subscribed on this list.> >> > Thanks & Best regards,> >> > Jean> >
> _________________________________________________________________> > Explore
> the seven wonders of the world> >
> http://search.msn.com/results.aspx?q=7+wonders+world&mkt=en-US&form=QBRE> > >
> > -- > Patrick Linskey> 202 669 5907
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