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Home » Eclipse Projects » EclipseLink » CDI injection in an entity listener using Tomcat and Weld doesn't appear to work(Dependency injection into an entity listener when using Tomcat 8 and Weld 2.1 fails because the BeanManager cannot be found)
CDI injection in an entity listener using Tomcat and Weld doesn't appear to work [message #1698075] Wed, 10 June 2015 21:01
Jonathan Zimmerman is currently offline Jonathan ZimmermanFriend
Messages: 1
Registered: June 2015
Junior Member
Hi all,
I'm trying to set up dependency injection into an entity listener using @Inject annotations in my listener.

My entity:
@EntityListeners({ CampaignListener.class })
public class Campaign {
  private Long campaignId;

  private Long getId() {
    return campaignId;

  private void setId(final Long campaignId) {
    this.campaignId = campaignId;

My listener:
public class CampaignListener {
  @Inject MyBean myBean;

  public void beforeRemoveCampaign(final Campaign campaign) {; // throws NullPointerException!
  } throws a NullPointerException.

After a little digging I discovered that EclipseLink, internally, is unable to find the BeanManager:
package org.eclipse.persistence.internal.sessions.cdi;

public class EntityListenerInjectionManagerImpl implements EntityListenerInjectionManager {
  public EntityListenerInjectionManagerImpl(Object beanManagerInstance) throws NamingException {
        if (beanManagerInstance == null) {
            Context context = new InitialContext();
            beanManagerInstance = context.lookup("java:comp/BeanManager"); // throws NamingException!

context.lookup("java:comp/BeanManager") throws a NamingException.

When using Weld with Tomcat the BeanManager lives at "java:comp/env/BeanManager", so of course this will not work.

Is this a bug or a limitation? I'm using Weld 2.1.2.Final, EclipseLink 2.6.1-RC1, and Tomcat 8.0.20.

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