JBoss 4.0.2 and CMP EJB Problem with primary key
pittupgd Jul 27, 2005 3:51 AMHi All,
I am Using a CMP Bean.
The primary key is generated by a class called Uniqueid generator.
The bean is deployed properly and the tables are created.
But when I try to insert a record in the db I get the following error
12:58:16,328 ERROR [Hospital] Could not create entity
java.sql.SQLException: Column 'hospitalid' cannot be null
at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:2921)
at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:1570)
at com.mysql.jdbc.ServerPreparedStatement.serverExecute(ServerPreparedStatement.java:1085)
at com.mysql.jdbc.ServerPreparedStatement.executeInternal(ServerPreparedStatement.java:670)
at com.mysql.jdbc.PreparedStatement.executeUpdate(PreparedStatement.java:1159)
at com.mysql.jdbc.PreparedStatement.executeUpdate(PreparedStatement.java:1076)
at com.mysql.jdbc.PreparedStatement.executeUpdate(PreparedStatement.java:1061)
at org.jboss.resource.adapter.jdbc.WrappedPreparedStatement.executeUpdate(WrappedPreparedStatement.java:316)
at org.jboss.ejb.plugins.cmp.jdbc.JDBCAbstractCreateCommand.executeInsert(JDBCAbstractCreateCommand.java:352)
at org.jboss.ejb.plugins.cmp.jdbc.JDBCAbstractCreateCommand.performInsert(JDBCAbstractCreateCommand.java:308)
at org.jboss.ejb.plugins.cmp.jdbc.JDBCAbstractCreateCommand.execute(JDBCAbstractCreateCommand.java:138)
at org.jboss.ejb.plugins.cmp.jdbc.JDBCStoreManager.createEntity(JDBCStoreManager.java:572)
at org.jboss.ejb.plugins.CMPPersistenceManager.createEntity(CMPPersistenceManager.java:222)
Here is my Entity Bean.
package com.cygnet.medina.Hospital;
import java.rmi.RemoteException;
import javax.ejb.CreateException;
import javax.ejb.EJBException;
import javax.ejb.EntityBean;
import javax.ejb.EntityContext;
import javax.ejb.RemoveException;
import com.cygnet.medina.util.UniqueIdGenerator;
/**
* @author shardul
*
* To change the template for this generated type comment go to
* Window>Preferences>Java>Code Generation>Code and Comments
*/
public abstract class HospitalEJB implements EntityBean {
private EntityContext context;
public Long hospitalid;
public String hospitalname;
public void ejbLoad() throws EJBException, RemoteException {
}
public void ejbActivate() throws EJBException, RemoteException {
}
public Long ejbCreate(HospitalData hospitalData) throws CreateException{
Long myid = new Long(UniqueIdGenerator.getId());
System.out.println("My id generated ====== "+myid);
this.hospitalid = myid;
System.out.println("My id generated ====== "+this.hospitalid);
System.out.println("Came in ejbCreate method of HospitalEJB");
this.hospitalname = hospitalData.getHospitalname();
return null;
}
public void ejbPostCreate(HospitalData hospitalData)throws CreateException,RemoteException{
System.out.println("$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$");
System.out.println("Came in EJB POSTCreate of HospitalEJB");
System.out.println("$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$");
}
public void ejbRemove()
throws RemoveException, RemoteException, EJBException {
}
public void setEntityContext(EntityContext context)
throws EJBException, RemoteException {
}
public void unsetEntityContext() throws EJBException, RemoteException {
}
public void ejbPassivate() throws EJBException, RemoteException {
}
public void ejbStore() throws EJBException, RemoteException {
}
/**
* @return
*/
public abstract Long getHospitalid();
/**
* @return
*/
public abstract String getHospitalname();
/**
* @param long1
*/
public abstract void setHospitalid(Long long1);
/**
* @param string
*/
public abstract void setHospitalname(String string);
public HospitalData getHospitalData(){
HospitalData hospitalData = new HospitalData();
hospitalData.setHospitalid(this.hospitalid);
hospitalData.setHospitalname(this.hospitalname);
System.out.println("In Get method of HospitalEJB"+hospitalData.getHospitalid());
System.out.println("In Get method of HospitalEJB"+hospitalData.getHospitalname());
return hospitalData;
}
public void setHospitalData(HospitalData hospitalData){
System.out.println("In Set method of HospitalEJB" + hospitalData.getHospitalname());
this.hospitalname = hospitalData.getHospitalname();
}
}
Here is my ejb-jar.xml
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE ejb-jar PUBLIC "-//Sun Microsystems, Inc.//DTD Enterprise JavaBeans 2.0//EN" "http://java.sun.com/dtd/ejb-jar_2_0.dtd">
<ejb-jar>
<enterprise-beans>
<ejb-name>UserManager</ejb-name>
com.cygnet.medina.UserManager.UserManagerHome
com.cygnet.medina.UserManager.UserManager
<ejb-class>com.cygnet.medina.UserManager.UserManagerEJB</ejb-class>
<session-type>Stateless</session-type>
<transaction-type>Container</transaction-type>
<assembly-descriptor>
<container-transaction>
<ejb-name>UserManager</ejb-name>
<method-name>*</method-name>
<trans-attribute>Required</trans-attribute>
</container-transaction>
</assembly-descriptor>
<ejb-name>HospitalManager</ejb-name>
com.cygnet.medina.HospitalManager.HospitalManagerHome
com.cygnet.medina.HospitalManager.HospitalManager
<ejb-class>com.cygnet.medina.HospitalManager.HospitalManagerEJB</ejb-class>
<session-type>Stateless</session-type>
<transaction-type>Container</transaction-type>
<assembly-descriptor>
<container-transaction>
<ejb-name>HospitalManager</ejb-name>
<method-name>*</method-name>
<trans-attribute>Required</trans-attribute>
</container-transaction>
</assembly-descriptor>
<ejb-name>AnesthesiaUser</ejb-name>
com.cygnet.medina.user.AnesthesiaUserHome
com.cygnet.medina.user.AnesthesiaUser
<ejb-class>com.cygnet.medina.user.AnesthesiaUserEJB</ejb-class>
<persistence-type>Container</persistence-type>
<prim-key-class>java.lang.Long</prim-key-class>
False
<cmp-version>2.x</cmp-version>
<abstract-schema-name>AnesthesiaUser</abstract-schema-name>
<cmp-field>
<field-name>userid</field-name>
<column-name>userid</column-name>
</cmp-field>
<cmp-field>
<field-name>username</field-name>
<column-name>username</column-name>
</cmp-field>
<cmp-field>
<field-name>password</field-name>
<column-name>password</column-name>
</cmp-field>
<cmp-field>
<field-name>usertype</field-name>
<column-name>usertype</column-name>
</cmp-field>
<cmp-field>
<field-name>createddate</field-name>
<column-name>createddate</column-name>
</cmp-field>
<cmp-field>
<field-name>updateddate</field-name>
<column-name>updateddate</column-name>
</cmp-field>
<primkey-field>userid</primkey-field>
<query-method>
<method-name>findByUsername</method-name>
<method-params>
<method-param>java.lang.String</method-param>
</method-params>
</query-method>
<ejb-ql></ejb-ql>
<assembly-descriptor>
<container-transaction>
<ejb-name>AnesthesiaUser</ejb-name>
<method-name>*</method-name>
<trans-attribute>Required</trans-attribute>
</container-transaction>
</assembly-descriptor>
<!-- Added -->
<ejb-name>Hospital</ejb-name>
com.cygnet.medina.Hospital.HospitalHome
com.cygnet.medina.Hospital.Hospital
<ejb-class>com.cygnet.medina.Hospital.HospitalEJB</ejb-class>
<persistence-type>Container</persistence-type>
<prim-key-class>java.lang.Long</prim-key-class>
False
<cmp-version>2.x</cmp-version>
<abstract-schema-name>Hospital</abstract-schema-name>
<cmp-field>
<field-name>hospitalid</field-name>
<column-name>hospitalid</column-name>
</cmp-field>
<cmp-field>
<field-name>hospitalname</field-name>
<column-name>hospitalname</column-name>
</cmp-field>
<primkey-field>hospitalid</primkey-field>
<assembly-descriptor>
<container-transaction>
<ejb-name>Hospital</ejb-name>
<method-name>*</method-name>
<trans-attribute>Required</trans-attribute>
</container-transaction>
</assembly-descriptor>
<!-- End -->
</enterprise-beans>
</ejb-jar>
Here is my jbosscmp-jdbc.xml
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE jbosscmp-jdbc PUBLIC
"-//JBoss//DTD JBOSSCMP-JDBC 4.0//EN"
"http://www.jboss.org/j2ee/dtd/jbosscmp-jdbc_4_0.dtd">
<!-- ===================================================================== -->
<!-- -->
<!-- Standard JBossCMP-JDBC Configuration -->
<!-- -->
<!-- ===================================================================== -->
<!-- $Id: standardjbosscmp-jdbc.xml,v 1.84.2.6 2005/01/26 18:51:35 starksm Exp $ -->
<jbosscmp-jdbc>
java:/MySqlDS
<!-- <datasource-mapping>MySQL</datasource-mapping> -->
<create-table>true</create-table>
<remove-table>true</remove-table>
<read-only>false</read-only>
<read-time-out>300000</read-time-out>
<row-locking>false</row-locking>
<pk-constraint>true</pk-constraint>
<fk-constraint>false</fk-constraint>
<enterprise-beans>
<ejb-name>AnesthesiaUser</ejb-name>
<pk-constraint>false</pk-constraint>
<table-name>AnesthesiaUser</table-name>
<cmp-field>
<field-name>userid</field-name>
<column-name>userid</column-name>
<jdbc-type>BIGINT</jdbc-type>
<sql-type>BIGINT</sql-type>
</cmp-field>
<cmp-field>
<field-name>username</field-name>
<column-name>username</column-name>
<jdbc-type>VARCHAR</jdbc-type>
<sql-type>VARCHAR(50)</sql-type>
</cmp-field>
<cmp-field>
<field-name>password</field-name>
<column-name>password</column-name>
<jdbc-type>VARCHAR</jdbc-type>
<sql-type>VARCHAR(50)</sql-type>
</cmp-field>
<cmp-field>
<field-name>usertype</field-name>
<column-name>usertype</column-name>
<jdbc-type>VARCHAR</jdbc-type>
<sql-type>VARCHAR(50)</sql-type>
</cmp-field>
<cmp-field>
<field-name>createddate</field-name>
<column-name>createddate</column-name>
<jdbc-type>TIMESTAMP</jdbc-type>
<sql-type>DATETIME</sql-type>
</cmp-field>
<cmp-field>
<field-name>updateddate</field-name>
<column-name>updateddate</column-name>
<jdbc-type>TIMESTAMP</jdbc-type>
<sql-type>DATETIME</sql-type>
</cmp-field>
<query-method>
<method-name>findByUsername</method-name>
<method-params>
<method-param>java.lang.String</method-param>
</method-params>
</query-method>
<jboss-ql><![CDATA[
SELECT OBJECT(u)
FROM AnesthesiaUser u
WHERE u.username = ?1 ]]></jboss-ql>
<!-- <entity-command name="mysql-get-generated-keys"/> -->
<!-- Added -->
<ejb-name>Hospital</ejb-name>
<pk-constraint>false</pk-constraint>
<table-name>Hospital</table-name>
<cmp-field>
<field-name>hospitalid</field-name>
<column-name>hospitalid</column-name>
<jdbc-type>BIGINT</jdbc-type>
<sql-type>BIGINT</sql-type>
</cmp-field>
<cmp-field>
<field-name>hospitalname</field-name>
<column-name>hospitalname</column-name>
<jdbc-type>VARCHAR</jdbc-type>
<sql-type>VARCHAR(50)</sql-type>
</cmp-field>
<!-- <entity-command name="mysql-get-generated-keys"/> -->
<!-- End -->
</enterprise-beans>
</jbosscmp-jdbc>
Can anyone please tell me where I am going wrong.
Thanks in advance.
Regards
p2