[hibernate-issues] [Hibernate-JIRA] Commented: (EJB-286) Hibernate does not honor @Column(name=...) annotation with IdClass

Hibernate does not honor @Column(name=...) annotation with IdClass ------------------------------------------------------------------ Key: EJB-286 URL: http://opensource.atlassian.com/projects/hibernate/browse/EJB-286 Project: Hibernate Entity Manager Issue Type: Bug Components: EntityManager Affects Versions: 3.3.1.GA Environment: Netbeans 5.5, Java6 Reporter: Dusty I'have an Entity which uses an IdClass, when I execute the simplest query Hibernate fails because it's using the name of the attribute instead of the one indicated by the @Column annotation. The IdClass is defined as follows: public class DomainAdminId implements Serializable { private String domainName; private String adminUser; public DomainAdminId() { } public DomainAdminId(String domainName, String adminUser) { this.domainName = domainName; this.adminUser = adminUser; } public String getDomainName() { return domainName; } public void setDomainName(String domainName) { this.domainName = domainName; } public String getAdminUser() { return adminUser; } public void setAdminUser(String adminUser) { this.adminUser = adminUser; } public boolean equals(Object o) { return ((o instanceof DomainAdminId) && domainName.equals(((DomainAdminId)o).getDomainName()) && adminUser.equals(((DomainAdminId)o).getAdminUser())); } public int hashCode() { return (domainName+adminUser).hashCode(); } } And the following Entity using that idClass: @Entity @Table(name="domainadmin") @IdClass(DomainAdminId.class) @NamedQueries( { @NamedQuery(name = "DomainAdmin.test", query = "SELECT d FROM DomainAdmin d") ) public class DomainAdmin implements Serializable { @Id @Column(name="domain_name") private String domainName; @Id @Column(name="adminuser") private String adminUser; public DomainAdmin() { } public String getDomainName() { return domainName; } public void setDomainName(String domainName) { this.domainName = domainName; } public String getAdminUser() { return adminUser; } public void setAdminUser(String adminUser) { this.adminUser = adminUser; } } When executing the DomainAdmin.test Named Query I got this error: could not execute query [select domainadmi0_.adminUser as adminUser1_, domainadmi0_.domainName as domainName1_ from domainadmin domainadmi0_] com.mysql.jdbc.exceptions.MySQLSyntaxErrorException: Unknown column 'domainadmi0_.domainName' in 'field list' In effect, as indicated in the source, the column name is "domain_name" and not "domainName". The same apply for the other column: adminUser (that should instead be "adminuser"), This issue is blocking for me, do you have any workaround for the time being?