Re: NullPointerException?

[Paul Copeland]

Which version of OpenJPA are you using?


On 3/19/2009 4:06 AM, d...@sparnord.dk wrote:

Hi,

I'm getting this exception:

org.apache.openjpa.persistence.PersistenceException: null

at org.apache.openjpa.jdbc.meta.FieldMapping.assertStrategy(FieldMapping.java:888) at org.apache.openjpa.jdbc.meta.FieldMapping.isEagerSelectToMany(FieldMapping.java:717) at org.apache.openjpa.jdbc.kernel.JDBCStoreManager.createEagerSelects(JDBCStoreManager.java:966) at org.apache.openjpa.jdbc.kernel.JDBCStoreManager.select(JDBCStoreManager.java:914) at org.apache.openjpa.jdbc.sql.SelectImpl.select(SelectImpl.java:867)

Where I'm trying to implement a bidirectional one-to-many mapping via a join table:

public class OdsMedarbejder {
...
    @ManyToOne
    @JoinTable(name = "ODS_AFDELINGMEDARBEJDER",

joinColumns = @JoinColumn(name = "MEDSEQ", referencedColumnName = "MEDSEQ"), inverseJoinColumns = @JoinColumn(name = "ORGSEQ", referencedColumnName = "ORGSEQ"))

    private OdsAfdeling afdeling;
...
}

public class OdsAfdeling {
...
    @Id
    protected double ORGSEQ;

    @OneToMany(mappedBy = "afdeling")
    protected Set<OdsMedarbejder> medarbejdere;
...
}

Any ideas?

Thanks,

-dennis