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JBoss-classloading.xml in EAR /EJB
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created by <a href="http://community.jboss.org/people/lordpraveen">Prav Ford</a> in <i>JBoss Microcontainer</i> - <a href="http://community.jboss.org/message/562595#562595">View the full discussion</a>
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<div class="jive-rendered-content"><p>Hi ,</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>I have an EAR which I deploy in jboss-5.1.0.</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>A.EAR</p><p>    |----lib/x.jar</p><p>    |----EJB1.jar</p><p>    |----EJB2.jar</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p> I wanted to just expose the interfaces from the EJB's, hence I have jboss-classloading.xml in both EJB1.jar and EJB2.jar.</p><p>What I was hoping to achieve is that just have the interfaces exposed in my EJB's to other EJB's in the same EAR and also to other EAR's in AS.</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>EJB1.jar</p><p>    |-----------com.ejb1.interface.EJB1Intf / EJB1IntfLocal extends EJB1Intf / EJB1IntfRemote extends EJB1Intf</p><p>    |-----------com.ejb1.implementation.EJB1Bean implements EJB1IntfLocal,EJB1IntfRemote.</p><p>    |-----------META-INF/jboss-classloading.xml</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><pre class="jive-pre"><code class="jive-code jive-xml"><span class="jive-xml-tag"><classloading xmlns="urn:jboss:classloading:1.0" domain="A.EAR-0.0.1-SNAPSHOT-exploded.ear" parent-domain="DefaultDomain"
    export-all="NON_EMPTY" import-all="true" excluded="META-INF"></span>
    <span class="jive-xml-tag"><capabilities></span>
        <span class="jive-xml-tag"><package name="com.ejb1.interface" /></span>
    <span class="jive-xml-tag"></capabilities></span>
<span class="jive-xml-tag"></classloading></span></code></pre><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>Similarly for EJB2.jar.</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>This is how my jmx-console looks like:</p><h2><a class="jive-link-anchor-small">jboss.classloader</a></h2><ul><li><a class="jive-link-external-small" href="http://localhost:8080/jmx-console/HtmlAdaptor?action=inspectMBean&name=jboss.classloader%3Asystem%3D557851707%2Cdomain%3D%22ExamplesEAR-0.0.1-SNAPSHOT-exploded.ear%22">domain="A.EAR-0.0.1-SNAPSHOT-exploded.ear",system=557851707</a></li><li><a class="jive-link-external-small" href="http://localhost:8080/jmx-console/HtmlAdaptor?action=inspectMBean&name=jboss.classloader%3Aid%3D%22vfsfile%3A%2FVolumes%2FMustang%2Fbranch%2FJBoss_CELMI_20091103%2Fjboss-5.1.0.GA%2Fserver%2Fcelmi%2Fdeploy%2FExamplesEAR-0.0.1-SNAPSHOT-exploded.ear%2F%22">id="vfsfile:/jboss-5.1.0.GA/server/default/deploy/AEAR-0.0.1-SNAPSHOT-exploded.ear/"</a></li><li><a class="jive-link-external-small" href="http://localhost:8080/jmx-console/HtmlAdaptor?action=inspectMBean&name=jboss.classloader%3Aid%3D%22vfszip%3A%2FVolumes%2FMustang%2Fbranch%2FJBoss_CELMI_20091103%2Fjboss-5.1.0.GA%2Fserver%2Fcelmi%2Fdeploy%2FExamplesEAR-0.0.1-SNAPSHOT-exploded.ear%2FProducerEJB-0.0.1-SNAPSHOT.jar%2F%22">id="vfszip:/jboss-5.1.0.GA/server/default/deploy/AEAR-0.0.1-SNAPSHOT-exploded.ear/EJB1.jar/"</a></li></ul><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>EJB1 calls EJB2 via JNDI.</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>EJB1Bean:</p><pre class="jive-pre"><code class="jive-code jive-java"><font color="navy"><b>public</b></font> <font color="navy"><b>boolean</b></font> callTheOtheEJB() <font color="navy">{</font>
    EJB2Intf myStateless = lookup(EJB2Intf.class, <font color="red">"service/EJB2IntfBean"</font>);
    logger.info(<font color="red">"Called myStateless sayHello = "</font>+  myStateless.sayHello());
     <font color="navy"><b>return</b></font> <font color="navy"><b>true</b></font>;
    <font color="navy">}</font>
</code></pre><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>EJB2Bean:</p><pre class="jive-pre"><code class="jive-code jive-java"><font color="navy"><b>public</b></font> String sayHello()<font color="navy">{</font>
     <font color="navy"><b>return</b></font> <font color="red">"Hello"</font>
<font color="navy">}</font>
</code></pre><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>My Client:</p><pre class="jive-pre"><code class="jive-code jive-java">Properties props = <font color="navy"><b>new</b></font> Properties();
    props.put(InitialContext.INITIAL_CONTEXT_FACTORY, <font color="red">"org.jnp.interfaces.NamingContextFactory"</font>);
    props.put(InitialContext.PROVIDER_URL, <font color="red">"jnp://127.0.0.1:1099"</font>);
    <font color="navy"><b>try</b></font> <font color="navy">{</font>
        InitialContext jndiContext = <font color="navy"><b>new</b></font> InitialContext(props);
        Object obj = jndiContext.lookup(<font color="red">"AEAR-0.0.1-SNAPSHOT-exploded/EJB1Bean/remote"</font>);
        System.out.println(obj.getClass());
        EJB1Intf callingEJBIntf = (EJB1Intf)obj;
        callingEJBIntf.callTheOtheEJB();
 
    <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>
</code></pre><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>Problem: EJB1 cant see EJB2Intf.</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>Caused by: java.lang.ClassNotFoundException: com.ejb2.interface.EJB2Intf from BaseClassLoader@1f9c621d{VFSClassLoaderPolicy@53ed6e21{name=vfszip:/jboss-5.1.0.GA/server/default/deploy/AEAR-0.0.1-SNAPSHOT-exploded.ear/EJB1.jar/ domain=ClassLoaderDomain@b901239{name=AEAR-0.0.1-SNAPSHOT-exploded.ear parentPolicy=BEFORE parent=ClassLoaderDomain@7a0aae8a{DefaultDomain}} roots=[DelegatingHandler@148464531[path=AEAR-0.0.1-SNAPSHOT-exploded.ear/EJB1.jar context=file:/jboss-5.1.0.GA/server/default/deploy/ real=file:/jboss-5.1.0.GA/server/default/deploy/AEAR-0.0.1-SNAPSHOT-exploded.ear/EJB1.jar]]  delegates=null exported=[com.ejb1.interface]NON_EMPTY}}</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>They are part of the same ClassLoaderDomain.</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>When I do listExportingClassloader() for AEAR domain,</p><pre>{com.ejb1.interface=[jboss.classloader:id="vfszip:/jboss-5.1.0.GA/server/default/deploy/<br/>AEAR-0.0.1-SNAPSHOT-exploded.ear/EJB1-SNAPSHOT.jar/"], <br/>com.ejb2.interface=[jboss.classloader:id="vfszip:/jboss-5.1.0.GA/server/default/deploy/<br/>AEAR-0.0.1-SNAPSHOT-exploded.ear/EJB2-SNAPSHOT.jar/"]}
</pre><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>Can anyone help? I am not sure where I am going wrong.</p></div>
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