SubClass with EmbeddedId or IdClass containing @ManyToOne fail at startup ------------------------------------------------------------------------- Key: ANN-686 URL: http://opensource.atlassian.com/projects/hibernate/browse/ANN-686 Project: Hibernate Annotations Issue Type: Bug Affects Versions: 3.3.1.beta1, 3.3.0.ga Reporter: Marcos Sousa Priority: Minor I subclass Customer that has a EmbeddedId using JOIN inheritance strategy. My embeddable class has @ManyToOne relationship. Look the classes: Pesson class: @Entity @Table(name="person") public class Person { @Id private Integer personId; private String name; } Embeddable class ID. @Embeddable public class PersonPk implements Serializable { @ManyToOne(optional=false, cascade={CascadeType.PERSIST, CascadeType.REFRESH, CascadeType.REMOVE}, fetch=FetchType.EAGER) @JoinColumn(name="personId") private Person person; // ... getters and setters } CustomerClass: @Entity @Table(name="Customer") @Inheritance(strategy=InheritanceType.JOINED) public class Customer { @Id private PersonPk pk = new PersonPk(); } Regional Custumer: @Entity @Table(name="AmericanCustomer") @PrimaryKeyJoinColumn(name="personId") @IdClass(PessoaPk.class) public class AmericanCustomer extends Customer { // some american customer fields.. } This mapping throw this exception at hibernate startup: Invocation of init method failed; nested exception is java.util.NoSuchElementException Caused by: java.util.NoSuchElementException at java.util.AbstractList$Itr.next(Unknown Source) at org.hibernate.util.JoinedIterator.next(JoinedIterator.java:53) at org.hibernate.cfg.Ejb3JoinColumn.buildJoinColumn(Ejb3JoinColumn.java:210) at org.hibernate.cfg.AnnotationBinder.bindClass(AnnotationBinder.java:463) at org.hibernate.cfg.AnnotationConfiguration.processArtifactsOfType(AnnotationConfiguration.java:501) at org.hibernate.cfg.AnnotationConfiguration.secondPassCompile(AnnotationConfiguration.java:282) at org.hibernate.cfg.Configuration.buildSessionFactory(Configuration.java:1286) at org.hibernate.cfg.AnnotationConfiguration.buildSessionFactory(AnnotationConfiguration.java:918) -- This message is automatically generated by JIRA. - If you think it was sent incorrectly contact one of the administrators: http://opensource.atlassian.com/projects/hibernate/secure/Administrators.... - For more information on JIRA, see: http://www.atlassian.com/software/jira