I have two entity-beans (AuthorBean, ImageBean) that should have a
unidirectional one-to-one relation (Author-has-Image). I set it all up using
Eclipse and XDoclet. After running XDoclet everything seems to be generated
well, but it doesn't get deployed (on JBoss 4):
ERROR [EntityContainer] Starting failed
jboss.j2ee:jndiName=ejb/ImageBeanHome,service=EJB
org.jboss.deployment.DeploymentException: Entity:
de.sbow.MSys.Images.ejb.ImageBean not found for relation: Author-Image
Investigating the ejb-jar.xml and jbosscmp-jdbc.xml I found in
jbosscmp-jdbc.xml the follwing:
<ejb-relation>
<ejb-relation-name>Author-Image</ejb-relation-name>
<ejb-relationship-role>
<ejb-relationship-role-name>Author-has-Image</ejb-relationship-role-name>
<key-fields/>
</ejb-relationship-role>
<ejb-relationship-role>
<ejb-relationship-role-name>Image-has-Author</ejb-relationship-role-name>
<key-fields>
<key-field>
<field-name></field-name>
<column-name></column-name>
</key-field>
</key-fields>
</ejb-relationship-role>
</ejb-relation>
I wonder what I've done wrong?
Thanks for any help
Alexander
AuthorBean.java
package de.sbow.MSys.Authors.ejb;
import java.util.Collection;
import javax.ejb.CreateException;
import javax.ejb.EJBException;
import javax.ejb.EntityBean;
import javax.ejb.EntityContext;
import javax.ejb.RemoveException;
import de.sbow.MSys.Authors.interfaces.AuthorBeanUtil;
import de.sbow.MSys.Authors.value.AuthorBeanValue;
import de.sbow.MSys.Images.ejb.ImageBean;
import de.sbow.MSys.Images.interfaces.ImageBeanLocal;
/**
*
* @ejb.bean name = "AuthorBean"
* type = "CMP"
* cmp-version = "2.x"
* display-name = "AuthorBean"
* description = "AuthorBean EJB"
* view-type = "both"
* jndi-name = "ejb/AuthorHome"
* local-jndi-name = "ejb/AuthorLocalHome"
* primkey-field = "id"
* schema = "Authors"
*
* @ejb.persistence table-name = "Authors"
* @jboss.persistence table-name = "Authors"
* create-table = "true"
* remove-table = "true"
*
*
* @ejb.finder signature = "java.util.Collection findAll()"
* query = "select Object(l) from Authors as l"
*
* @ejb.finder signature = "java.util.Collection findByName(java.lang.String
name)"
* query = "select Object(l) from Authors as l where l.name =
?1"
*
* @ejb.finder signature = "de.sbow.MSys.Authors.interfaces.AuthorBeanLocal
findById(java.lang.String id)"
* query = "select Object(l) from Authors as l where l.id = ?1"
*
*
* @ejb.util
* generate="physical"
*
* @ejb.value-object
*/
public abstract class AuthorBean implements EntityBean {
/** The EntityContext */
private EntityContext context;
/**
*
* @ejb.create-method
*/
public String ejbCreate() throws CreateException {
this.setId(AuthorBeanUtil.generateGUID(this));
return null;
}
/**
* @ejb.create-method
* @param name
* @param description
* @return
*/
public String ejbCreate(String name, String description) throws
CreateException {
this.setName(name);
this.setDescription(description);
this.setId(AuthorBeanUtil.generateGUID(this));
return null;
}
/**
* TODO check if this works!
* @ejb.create-method
* @param data
* @return
* @throws CreateException
*/
public String ejbCreate(AuthorBeanValue data) throws CreateException {
this.setId(AuthorBeanUtil.generateGUID(this));
//data.setId(this.getId());
this.setAuthorBeanValue(data);
return null;
}
/**
*
* @throws CreateException Thrown if the instance could not perform
* the function requested by the container because of an system-level error.
*/
public void ejbPostCreate() throws CreateException {
}
/**
*
* @throws EJBException Thrown if the instance could not perform
* the function requested by the container because of an system-level error.
*/
public void ejbActivate() throws EJBException {
}
/**
*
* @throws EJBException Thrown if the instance could not perform
* the function requested by the container because of an system-level error.
*/
public void ejbPassivate() throws EJBException {
}
/**
*
* @throws EJBException Thrown if the instance could not perform
* the function requested by the container because of an system-level error.
*/
public void ejbLoad() throws EJBException {
}
/**
*
* @throws EJBException Thrown if the instance could not perform
* the function requested by the container because of an system-level error.
*/
public void ejbStore() throws EJBException {
}
/**
* @throws EJBException Thrown if the instance could not perform
* the function requested by the container because of an system-level error.
*
* @throws RemoveException Thrown if the enterprise bean does not allow
destruction of the object.
*/
public void ejbRemove() throws EJBException, RemoveException {
}
/**
* @throws EJBException Thrown if the instance could not perform
* the function requested by the container because of an system-level error.
*/
public void setEntityContext(EntityContext newContext) throws EJBException {
context = newContext;
}
/**
*
* @throws EJBException Thrown if the instance could not perform
* the function requested by the container because of an system-level error.
*/
public void unsetEntityContext() throws EJBException {
context = null;
}
/**
* @ejb.interface-method view-type = "local"
* @ejb.persistence column-name = "author_id"
* @ejb.pk-field
* @return
*/
public abstract String getId();
/**
* @ejb.interface-method view-type = "local"
* @param id
*/
public abstract void setId(String id);
/**
* @ejb.interface-method view-type = "local"
* @ejb.persistence column-name = "name"
* @return
*/
public abstract String getName();
/**
* @ejb.interface-method view-type = "local"
*
* @param name
*/
public abstract void setName(String name);
/**
* @ejb.interface-method view-type = "local"
* @ejb.persistence column-name = "description"
* @return
*/
public abstract String getDescription();
/**
* @ejb.interface-method view-type = "local"
*
* @param description
*/
public abstract void setDescription(String description);
/**
* @ejb.relation name = "Author-Image"
* role-name = "Author-has-Image"
* target-ejb = "de.sbow.MSys.Images.ejb.ImageBean"
* target-role-name = "Image-has-Author"
*
* @jboss.relation
* related-pk-field="image_id?
* fk-column="image_fk?
* fk-constraint = "true"
*
*
* @ejb.interface-method view-type = "both"
* @return
*/
public abstract ImageBeanLocal getImage();
/**
* @ejb.interface-method view-type = "both"
* @param image
*/
public abstract void setImage(ImageBeanLocal image);
/**
* @ejb:relation name = "MediaObject-Authors"
* role-name = "Authors-has-MediaObjects"
* cascade-delete = "false"
* target-ejb =
"de.sbow.MSys.MediaArchive.ejb.MediaObject"
* target-role-name = "MediaObjects-has-Authors"
* target-multiple = "yes"
*
* @jboss:relation-table table-name = "MediaObject2Author"
* create-table = "true"
* remove-table = "true"
*
* @jboss:relations-mapping style = "relation.table"
*
* @jboss:relation related-pk-field = "id"
* fk-column = "author_id"
* fk-constraint = "false"
*
* @return
*/
public abstract Collection getMediaObjects();
/**
* @ejb:interface-method
* @param mediaObjects
*
*/
public abstract void setMediaObjects(Collection mediaObjects);
/**
* @ejb.interface-method view-type = "both"
*
* @return
*/
public abstract AuthorBeanValue getAuthorBeanValue();
/**
* @ejb.interface-method view-type = "both"
* @param data
*/
public abstract void setAuthorBeanValue(AuthorBeanValue data);
}
ImageBean.java
package de.sbow.MSys.Images.ejb;
import javax.ejb.CreateException;
import javax.ejb.EJBException;
import javax.ejb.EntityBean;
import javax.ejb.EntityContext;
import javax.ejb.RemoveException;
import de.sbow.MSys.Images.interfaces.ImageBeanUtil;
/**
* @ejb.bean name = "ImageBean"
* type = "CMP"
* cmp-version = "2.x"
* display-name = "ImageBean"
* description = "ImageBean EJB"
* view-type = "both"
* jndi-name = "ejb/ImageBeanHome"
* local-jndi-name = "ejb/ImageBeanLocalHome"
* primkey-field = "id"
* schema = "Images"
*
* @ejb.persistence table-name = "Images"
* @jboss.persistence table-name = "Images"
* create-table = "true"
* remove-table = "true"
*
*
* @ejb.finder signature = "java.util.Collection findAll()"
* query = "select Object(l) from Images as l"
*
* @ejb.finder signature = "java.util.Collection findByName(java.lang.String
name)"
* query = "select Object(l) from Images as l where l.name = ?1"
*
* @ejb.finder signature = "de.sbow.MSys.Images.interfaces.ImageBeanLocal
findById(java.lang.String id)"
* query = "select Object(l) from Images as l where l.id = ?1"
*
* @ejb:util
* generate="physical"
*
* @ejb.value-object
*/
public abstract class ImageBean implements EntityBean {
/** The EntityContext */
private EntityContext context;
/**
*
* @throws CreateException Thrown if the instance could not perform
* the function requested by the container because of an system-level error.
*
* @ejb.create-method
*/
public String ejbCreate() throws CreateException {
this.setId(ImageBeanUtil.generateGUID(this));
return null;
}
/**
*
* @throws CreateException Thrown if the instance could not perform
* the function requested by the container because of an system-level error.
*/
public void ejbPostCreate() throws CreateException {
}
/**
*
* @throws EJBException Thrown if the instance could not perform
* the function requested by the container because of an system-level error.
*/
public void ejbActivate() throws EJBException {
}
/**
* @throws EJBException Thrown if the instance could not perform
* the function requested by the container because of an system-level error.
*/
public void ejbPassivate() throws EJBException {
}
/**
* @throws EJBException Thrown if the instance could not perform
* the function requested by the container because of an system-level error.
*/
public void ejbLoad() throws EJBException {
}
/**
* @throws EJBException Thrown if the instance could not perform
* the function requested by the container because of an system-level error.
*/
public void ejbStore() throws EJBException {
}
/**
*
* @throws EJBException Thrown if the instance could not perform
* the function requested by the container because of an system-level error.
*
* @throws RemoveException Thrown if the enterprise bean does not allow
destruction of the object.
*/
public void ejbRemove() throws EJBException, RemoveException {
}
/**
*
* @throws EJBException Thrown if the instance could not perform
* the function requested by the container because of an system-level error.
*/
public void setEntityContext(EntityContext newContext) throws EJBException {
context = newContext;
}
/**
* @throws EJBException Thrown if the instance could not perform
* the function requested by the container because of an system-level error.
*/
public void unsetEntityContext() throws EJBException {
context = null;
}
/**
* @ejb.interface-method view-type = "local"
* @ejb.persistence column-name = "image_id"
* @ejb.pk-field
* @return
*/
public abstract String getId();
/**
* @ejb.interface-method view-type = "local"
* @param id
*/
public abstract void setId(String id);
/**
* @ejb.interface-method view-type = "local"
* @ejb.persistence column-name = "image"
* @return
*/
public abstract byte[] getImage();
/**
* @ejb.interface-method view-type = "local"
* @param image
*/
public abstract void setImage(byte[] image);
/**
* @ejb.interface-method view-type = "local"
* @ejb.persistence column-name = "type"
* @return
*/
public abstract String getType();
/**
* @ejb.interface-method view-type = "local"
* @param type
*/
public abstract void setType(String type);
/**
* @ejb.interface-method view-type = "local"
* @ejb.persistence column-name = "width"
* @return
*/
public abstract int getWidth();
/**
* @ejb.interface-method view-type = "local"
* @param width
*/
public abstract void setWidth(int width);
/**
* @ejb.interface-method view-type = "local"
* @ejb.persistence column-name = "height"
* @return
*/
public abstract int getHeight();
/**
* @ejb.interface-method view-type = "local"
* @param height
*/
public abstract void setHeight(int height);
/**
* @ejb.interface-method view-type = "local"
* @ejb.persistence column-name = "colors"
* @return
*/
public abstract int getColors();
/**
* @ejb.interface-method view-type = "local"
* @param int
*/
public abstract void setColors(int colors);
}
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