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Lookup and invoke a _local_ EJB via a remote EJB by a remote client
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created by <a href="https://community.jboss.org/people/virtuellesnugat">Matthias M.</a> in <i>EJB3</i> - <a href="https://community.jboss.org/message/742757#742757">View the full discussion</a>
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<div class="jive-rendered-content"><p>Hi there,</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>I'm new to the jboss AS and the EJB. The book I've read doesn't help me, since the new JNDI naming changes so much.</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>But during the last days I've managed to setup the server, deploy some remote stateful and stateless session beans. But now I'm trying something different:</p><ul><li style="text-align: start;">Local stateless session bean named "TimeBean", with it's interface "ITimeLocal"</li><li style="text-align: start;">Remote stateless session bean named "CallerBean", with it's interface "ICallerRemote"</li><li style="text-align: start;">and a remote Client named "CallerClientBean"</li></ul><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="text-align: start;"><strong>ITimeLocal</strong></p><pre class="jive-pre"><code class="jive-code jive-java"><font color="navy"><b>package</b></font> test.jboss.umweg.server.local;
 
<font color="navy"><b>import</b></font> javax.ejb.Local;
 
@Local
<font color="navy"><b>public</b></font> <font color="navy"><b>interface</b></font> ITimeLocal <font color="navy">{</font>
    <font color="navy"><b>public</b></font> <font color="navy"><b>long</b></font> getTime();
<font color="navy">}</font>
</code></pre><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><strong>TimeBean</strong></p><pre class="jive-pre"><code class="jive-code jive-java"><font color="navy"><b>package</b></font> test.jboss.umweg.server.local;
 
<font color="navy"><b>import</b></font> java.util.Date;
 
<font color="navy"><b>import</b></font> javax.ejb.Local;
<font color="navy"><b>import</b></font> javax.ejb.Stateless;
 
@Stateless
@Local(ITimeLocal.class)
<font color="navy"><b>public</b></font> <font color="navy"><b>class</b></font> TimeBean <font color="navy"><b>implements</b></font> ITimeLocal <font color="navy">{</font>
 
    @Override
    <font color="navy"><b>public</b></font> <font color="navy"><b>long</b></font> getTime() <font color="navy">{</font>
        <font color="navy"><b>return</b></font> <font color="navy"><b>new</b></font> Date().getTime();
    <font color="navy">}</font>
 
<font color="navy">}</font>
</code></pre><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>So that's just the local bean. It was deployed successfully and the JNDI Bindings where created.</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>The call from the CallerClientBean to the CallerBean works fine (I tested with "return 0").</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>But when I tried the real call it wouldn't work:</p><p>Extracted from <strong>CallerBean</strong></p><pre class="jive-pre"><code class="jive-code jive-java">@Override
    <font color="navy"><b>public</b></font> <font color="navy"><b>long</b></font> askTime() <font color="navy">{</font>
        <font color="darkgreen">// lookup and invoke Local Bean, return time</font>
        <font color="navy"><b>try</b></font> <font color="navy">{</font>
            Context context = getInitialContext();
            ITimeLocal szb = (ITimeLocal) context.lookup(getJndiName());
            <font color="navy"><b>long</b></font> time = szb.getTime();
            System.out.println(<font color="red">"Time: "</font> + time);
            <font color="navy"><b>return</b></font> time;
        <font color="navy">}</font> <font color="navy"><b>catch</b></font> (NamingException e) <font color="navy">{</font>
            <font color="darkgreen">// TODO Auto-generated catch block</font>
            e.printStackTrace();
        <font color="navy">}</font>
        <font color="navy"><b>return</b></font> 0;
    <font color="navy">}</font>
</code></pre><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>I build the <strong>InitialContext</strong> like this (<em>though I didn't set a "jboss-ejb-client.properties" on server side, <strong>maybe that's a problem</strong></em>):</p><pre class="jive-pre"><code class="jive-code jive-java"><font color="navy"><b>private</b></font> InitialContext getInitialContext() <font color="navy"><b>throws</b></font> NamingException <font color="navy">{</font>
       Hashtable p = <font color="navy"><b>new</b></font> Hashtable();
        p.put(Context.URL_PKG_PREFIXES, <font color="red">"org.jboss.ejb.client.naming"</font>);
        <font color="navy"><b>return</b></font> <font color="navy"><b>new</b></font> InitialContext(p);
    <font color="navy">}</font>
</code></pre><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>And I tried two different<strong> JNDI</strong> names:</p><ul><li style="text-align: start;">the same I've been building the other ones:<br/>ejb:/TimeBean//TimeBean!test.jboss.umweg.server.local.ITimeLocal</li><li style="text-align: start;">and the global JNDI binding I got from the deploy:<br/>java:global/TimeBean/TimeBean!test.jboss.umweg.server.local.ITimeLocal</li></ul><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="text-align: start;">But I guess my main-problem is, that I'm not aware of howto call a local bean. And I couldn't find anything really helpful. I didn't post the Exceptions (first runtime, the illegalState), but I bet my faults are obvious to most people here <span> :) </span></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="text-align: start;">Thanks!!</p></div>
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<p style="margin: 0;">Reply to this message by <a href="https://community.jboss.org/message/742757#742757">going to Community</a></p>
<p style="margin: 0;">Start a new discussion in EJB3 at <a href="https://community.jboss.org/choose-container!input.jspa?contentType=1&containerType=14&container=2029">Community</a></p>
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