MappingException « Key « JPA Q&A





1. Hibernate tool code generation org.hibernate.MappingException: Foreign key    coderanch.com

Hi, I am working on some school project and have been trying to get my pojos, daos and mapping.xml documents generated. I get some of my classes generated but others not. When I select the option "Reverse Engineer from JDBC Connection" I get an Error Message: org.hibernate.MappingException: Foreign key (FKA41D1932BD901987:tanswer [tStudent_idtStudent])) must have same number of columns as the referenced primary ...

2. MappingException Foreign key    forum.hibernate.org

Hibernate version: 3 Background: A registry can contain many registry items. So one registry maps to many registy items. I have spent over 6 hours today looking up how to solve the problem, but cannot find a solution. Problem: This error message is recieved at runtime when I first try to create a SessionFactory: Foreign key (FK2446A9D5E9C1910E:REGISTRY_ITEM [ITEM_ID])) must have same ...

3. Help with -> MappingException: Foreign key...    forum.hibernate.org

I'm starting to work with Hibernate 3. And when I Tray to access a information in DataBase, Hibernate print this exception: org.hibernate.MappingException: Foreign key (FK7089409D6A199C:TABLE_A [COLUMN_B])) must have same number of columns as the referenced primary key (TABLE_B [COLUMN_A,COLUMN_B,COLUMN_C,COLUMN_D,COLUMN_E]) I think that the *.Class an *.hbm.xml, which I generated, are correct (Im using for genereted MyEclipse plugin). And the Data Model ...

4. org.hibernate.MappingException: Foreign Key    forum.hibernate.org

Im getting an exception after trying to test my hibernate mapping. The tables looks something like this: TABLE a a b primary key (a, b) foreign key (b) on (c.a) TABLE b a b c primary key (a) foreign key (b, c) on (a.a, a.b) TABLE c a b c primary key(a) Table A's mapping: Code:

5. Foreign Key MappingException    forum.hibernate.org

Newbie Joined: Thu Apr 12, 2007 6:07 am Posts: 1 Hi there, I am new to hibernate. Could anybody please tell me why I am getting this exception while compiling my stand alone java class? Please read the code provided. I am using hibernate 2.1, MySql 4.1 and java 1.4 on NetBeans 5.5 *************Exception********************************* net.sf.hibernate.MappingException: An association from the table tblInputData ...

6. org.hibernate.MappingException: Foreign key    forum.hibernate.org

Hi, I am having problem mapping tables for one-to-many relationship. I have a table A which has composite key containing 5 columns. I have a table B which also has the composite key containing 5 columns. However, there is no relationship between these tables (why somebody would design like this but they did). Since these composite keys have three columns common ...