weblogic workshop built error.

From:

swun2010@gmail.com

Newsgroups:

comp.lang.java.programmer

Date:

Tue, 29 Jan 2008 20:47:23 -0800 (PST)

Message-ID:

<e75afb2b-5956-49f9-95e2-e7cf6da5badc@e10g2000prf.googlegroups.com>

Hi,

I am running weblogic 8.1.4.
I am following its tutorial to build a EJB project, but its built
failed with the following error:

Build project MyEJBProject started.
BUILD STARTED
check-env:
clean:
Deleting 2 files from C:\DOCUME~1\sam.wun\LOCALS~1\Temp
\wlw_MyEJBProject_build
Deleted 5 directories from C:\DOCUME~1\sam.wun\LOCALS~1\Temp
\wlw_MyEJBProject_build
removed module 'MyEJBProject.jar'
build:
WARNING: Building to temporary directory C:\DOCUME~1\sam.wun
\LOCALS~1\Temp\/wlw_MyEJBProject_build...
WARNING: Running EJBGen...
Loading source file C:\DOCUME~1\sam.wun\LOCALS~1\Temp\/
wlw_MyEJBProject_build/examples\ejb20\relationships\bands
\BandBean.java...
Loading source file C:\DOCUME~1\sam.wun\LOCALS~1\Temp\/
wlw_MyEJBProject_build/examples\ejb20\relationships\bands
\MusicBean.java...
Constructing Javadoc information...
EJBGen 2.16

C:\DOCUME~1\sam.wun\LOCALS~1\Temp\wlw_MyEJBProject_build\examples
\ejb20\relationships\bands\
WARNING: BandBean.java:29: No JNDI name was found.
WARNING: MusicBean.java:27: No JNDI name was found.
ERROR: MusicBean.java:27: [ejb-local-ref name=ejb/null link=null] must
have either 'link' or all of 'name', 'type', 'home', 'remote|local'
attributes specified.
1 error.
ERROR: Java returned: 1
BUILD FAILED
ERROR: Java returned: 1

The offending line is at "public class MusicBean" in the following ejb
file:

package examples.ejb20.relationships.bands;

import javax.ejb.*;
import weblogic.ejb.*;
import javax.naming.InitialContext;
import javax.naming.NamingException;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Iterator;

/**
* @ejbgen:session
* ejb-name = "Music"
*
* @ejbgen:jndi-name local="ejb.Music"

*
* @ejbgen:file-generation remote-class="false" remote-class-name =
"Music" remote-home="false" remote-home-name = "MusicHome" local-
class="true" local-class-name = "MusicLocal" local-home="true" local-
home-name = "MusicLocalHome"
* @ejbgen:ejb-local-ref
* @ejbgen:ejb-local-ref
* type="Entity"
* name="ejb/bandLink"
* local="examples.ejb20.relationships.bands.Band"
* link="BandEJB"
* home="examples.ejb20.relationships.bands.BandHome"
*/
public class MusicBean
  extends GenericSessionBean
  implements SessionBean
{
  private BandHome bandHome;

  public void ejbCreate() {
    try {
         javax.naming.Context ic = new InitialContext();
         bandHome = (BandHome)ic.lookup("java:comp/env/ejb/bandLink");
      }
      catch (NamingException ne) {
         throw new EJBException(ne);
      }
  }

    /**
     * @ejbgen:local-method
     */
    public Collection getBands()
    {
        try {
         Iterator bands = bandHome.findAll().iterator();
         Collection result = new ArrayList();
         while (bands.hasNext()) {
            Band band = (Band)bands.next();
            result.add(band.getName());
         }
         return result;

      }
      catch (FinderException fe)
      {
         throw new EJBException(fe);
      }
    }

    /**
     * @ejbgen:local-method
     */
    public void addBand(BandInfo bandInfo)
    {
        try {
         bandHome.create(bandInfo.getName(), bandInfo.getFounder(),
bandInfo.getStartDate());
      }
      catch (CreateException ce) {
         throw new EJBException(ce);
      }

    }
}

Can anyone tell me how to troubleshoot this error?
If you know how to correct the error, I'm greatly appreciate for any
suggestion.

Thanks
Sam