I'm using JBOSS 3.2.1 with MySQL and I'm trying to
write my first XDoclet CMP bean. I cannot get it to
work, though I feel I'm very close. I'm sure that I'm
simply not using the correct tags.
Here is the table definition:
CREATE TABLE foo(
id int(8) NOT NULL auto_increment,
name varchar(32) NOT NULL default '',
PRIMARY KEY (id)
) TYPE=MyISAM;
insert into foo values (0, 'One');
insert into foo values (0, 'Two');
Here is my CMP bean:
package com.helplab;
import javax.ejb.*;
/**
* @ejb.bean name="Test"
* type="CMP"
* jndi-name="ejb/testcmp"
*
* @jboss:table-name table-name="foo"
*
* @ejb.finder
* method-intf="Home"
* query="SELECT DISTINCT OBJECT(o) FROM Test o
WHERE o.id = ?1"
* result-type-mapping="Remote"
* signature="java.util.Collection findById(int
id)"
*
* @ejb.finder
* method-intf="LocalHome"
* query="SELECT DISTINCT OBJECT(o) FROM Test o
WHERE o.id = ?1"
* result-type-mapping="Local"
* signature="java.util.Collection findById(int
id)"
*
* @jboss.query
* query="SELECT DISTINCT OBJECT(o) FROM Test o
WHERE o.name = ?1"
* signature="java.util.Collection
ejbSelectByName(java.lang.String name)"
*
* @ejb.value-object
* match="*"
* name="TestVO
*
* @jboss-unknown-pk
* class="java.lang.Integer"
* column-name="id"
* jdbc-type="INTEGER"
* sql-type="INTEGER"
* auto-increment="true"
*
*/
public abstract class RegisterBean extends
BaseEntityBean implements EntityBean {
/**
*
* @ejb.pk-field
*
* @ejb.persistent-field
*
* @ejb.interface-method
*
* @ejb.persistence column-name="id"
*
* @jboss.auto-increment
*
* @jboss:column-name id
*/
public abstract Integer getId();
/**
* No XDoclet tags needed for this method
*/
public abstract void setId(Integer id);
/**
*
*
* @ejb.persistent-field
* @ejb.interface-method
*
* @ejb.persistence column-name="name"
*/
public abstract String getName();
/**
* Sets the new name for this record
*
* @ejb.persistent-field
* @ejb.interface-method
*
* @ejb.persistence column-name="name"
*/
public abstract void setName(String name);
public abstract java.util.Collection
ejbSelectByName(java.lang.String name) throws
FinderException;
/**
*
* @ejb.interface-method
* view-type="both"
*
**/
public java.util.Collection byName(String name)
throws FinderException {
return (this.ejbSelectByName(name));
}
/**
* Create record.
*
* @ejb.create-method
*
*/
public com.helplab.TestPK ejbCreate(String name)
throws javax.ejb.CreateException {
this.setName(name);
return null;
}
/**
* Create record.
*
*/
public void ejbPostCreate(String name) throws
CreateException {
}
}
And finally (for those of you that have stuck with me
this far), here is the topmost part of the
stack-trace:
18:01:28,038 INFO [EJBDeployer] Deployed:
file:/C:/jboss-3.2.1/server/default/d
eploy/firstCmp.jar
18:01:28,058 INFO [MainDeployer] Deployed package:
file:/C:/jboss-3.2.1/server/
default/deploy/firstCmp.jar
18:01:30,411 ERROR [SubscribingInterceptor] could not
get AbstractReplicatedStor
e
18:01:30,451 ERROR [LogInterceptor] RuntimeException:
java.lang.NullPointerException
at
org.jboss.ejb.EntityContainer$ContainerInterceptor.invokeHome(EntityC
ontainer.java:994)
at
org.jboss.ejb.plugins.AbstractInterceptor.invokeHome(AbstractIntercep
tor.java:88)
at
org.jboss.ejb.plugins.EntitySynchronizationInterceptor.invokeHome(Ent
itySynchronizationInterceptor.java:188)
at
org.jboss.resource.connectionmanager.CachedConnectionInterceptor.invo
keHome(CachedConnectionInterceptor.java:215)
at
org.jboss.ejb.plugins.AbstractInterceptor.invokeHome(AbstractIntercep
tor.java:88)
Any help would be greatly appreciated!
- Jeff Davies
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