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EntityManager in a @Service
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created by <a href="http://community.jboss.org/people/apolci">Andrea Polci</a> in <i>EJB3</i> - <a href="http://community.jboss.org/message/600535#600535">View the full discussion</a>
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<div class="jive-rendered-content"><p>I'm trying to write a @Service that need access to an EntityManager.</p><p>I'll use the service throw the JMX console.</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>The problem is that I can't find a way to inject the entity manager into the service.</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>This is a simplified version of my code:</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><pre class="jive-pre"><code class="jive-code jive-java"><font color="navy"><b>public</b></font> inteface MyManager <font color="navy">{</font>
   <font color="navy"><b>public</b></font> <font color="navy"><b>void</b></font> method(String argument);
<font color="navy">}</font>
 
@Service(objectName=<font color="red">"xxxx:service=myservice"</font>)
<font color="navy"><b>public</b></font> <font color="navy"><b>class</b></font> MyMBean <font color="navy"><b>implements</b></font> MyManager <font color="navy">{</font>
 
  @PersistenceContext(unitName=<font color="red">"my-persistence-unit"</font>)
  <font color="navy"><b>private</b></font> EntityManager em;
 
  <font color="navy"><b>public</b></font> <font color="navy"><b>void</b></font> method(String argument) <font color="navy">{</font>
    <font color="darkgreen">// code using em</font>
  <font color="navy">}</font>
<font color="navy">}</font>
</code></pre><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>The service get exposed throgh the jmx console, but em is always null.</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>I tried to @Inject an entity manager configured in a @Producer, but i get the same result.</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>I'm using JBoss AS 6.0.0 Final</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>Thanks for any help,</p><p>Andrea</p></div>
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<p style="margin: 0;">Reply to this message by <a href="http://community.jboss.org/message/600535#600535">going to Community</a></p>
<p style="margin: 0;">Start a new discussion in EJB3 at <a href="http://community.jboss.org/choose-container!input.jspa?contentType=1&containerType=14&container=2029">Community</a></p>
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