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Access to EJB ( JBoss AS 7 )
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created by <a href="http://community.jboss.org/people/chris81t">chris81t</a> in <i>Beginner's Corner</i> - <a href="http://community.jboss.org/message/617139#617139">View the full discussion</a>
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<div class="jive-rendered-content"><p>Hi @all,</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>I hope you can help me. I'm actually new to JBoss AS. </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>For the first test I have written a simple HelloJBoss application:</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><strong>- HelloJBossAS7</strong> (eclipse ear project contains the two following projects)</p><p><strong>- HelloJBossEJB</strong></p><p>     contains:</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>ISimpleEJB.java</p><pre class="jive-pre"><code class="jive-code jive-java"><font color="navy"><b>package</b></font> de.example.ejb;
 
 
<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> ISimpleEJB <font color="navy">{</font>
          <font color="navy"><b>int</b></font> add(<font color="navy"><b>int</b></font> a, <font color="navy"><b>int</b></font> b) <font color="navy"><b>throws</b></font> Exception;
<font color="navy">}</font>
 
</code></pre><p>    </p><p>SimpleEJB.java</p><pre class="jive-pre"><code class="jive-code jive-java"><font color="navy"><b>package</b></font> de.example.ejb;
 
 
<font color="navy"><b>import</b></font> javax.ejb.Stateless;
 
 
@Stateless
<font color="navy"><b>public</b></font> <font color="navy"><b>class</b></font> SimpleEJB <font color="navy"><b>implements</b></font> ISimpleEJB <font color="navy">{</font>
 
 
          @Override
          <font color="navy"><b>public</b></font> <font color="navy"><b>int</b></font> add(<font color="navy"><b>int</b></font> a, <font color="navy"><b>int</b></font> b) <font color="navy"><b>throws</b></font> Exception <font color="navy">{</font>
                    <font color="navy"><b>return</b></font> a + b;
          <font color="navy">}</font>
 
 
<font color="navy">}</font>
 
</code></pre><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><strong>- HelloJBossJSF (2.0)</strong></p><p>     contains</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>Content.java</p><pre class="jive-pre"><code class="jive-code jive-java"><font color="navy"><b>package</b></font> de.example.beans;
 
 
<font color="navy"><b>import</b></font> java.io.Serializable;
 
 
<font color="navy"><b>import</b></font> javax.ejb.EJB;
<font color="navy"><b>import</b></font> javax.faces.bean.ManagedBean;
<font color="navy"><b>import</b></font> javax.faces.bean.SessionScoped;
 
 
<font color="navy"><b>import</b></font> de.example.ejb.ISimpleEJB;
 
 
@ManagedBean
@SessionScoped
<font color="navy"><b>public</b></font> <font color="navy"><b>class</b></font> Content <font color="navy"><b>implements</b></font> Serializable <font color="navy">{</font>
 
 
          <font color="navy"><b>private</b></font> <font color="navy"><b>static</b></font> <font color="navy"><b>final</b></font> <font color="navy"><b>long</b></font> serialVersionUID = 5526381952953438091L;
 
 
          <font color="navy"><b>private</b></font> String title = <font color="red">"Hello JBoss AS 7 :-)"</font>;
 
          @EJB(beanName = <font color="red">"SimpleEJB"</font>)
          <font color="navy"><b>private</b></font> ISimpleEJB ejb;
 
          <font color="navy"><b>public</b></font> String getTitle() <font color="navy">{</font>
                    <font color="navy"><b>return</b></font> title;
          <font color="navy">}</font>
 
 
          <font color="navy"><b>public</b></font> <font color="navy"><b>void</b></font> setTitle(String title) <font color="navy">{</font>
                    this.title = title;
          <font color="navy">}</font>
 
          <font color="navy"><b>public</b></font> <font color="navy"><b>int</b></font> getVal() <font color="navy">{</font>
                    <font color="navy"><b>try</b></font> <font color="navy">{</font>
                              <font color="navy"><b>return</b></font> ejb.add(2, 4);
                    <font color="navy">}</font>
                    <font color="navy"><b>catch</b></font> (Exception e) <font color="navy">{</font>
                              <font color="navy"><b>return</b></font> -1;
                    <font color="navy">}</font>
          <font color="navy">}</font>
<font color="navy">}</font>
 
</code></pre><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>content.xhtml</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><pre class="jive-pre"><code class="jive-code jive-xml"><!DOCTYPE html PUBLIC <span class="jive-xml-quote">-//W3C//DTD XHTML 1.0 Transitional//EN</span> <span class="jive-xml-quote"><a class="jive-link-external-small" href="http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd" target="_blank">http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd</a></span>>
<span class="jive-xml-tag"><span><html xmlns="</span><a class="jive-link-external-small" href="http://www.w3.org/1999/xhtml" target="_blank">http://www.w3.org/1999/xhtml</a><span>"
      xmlns:h="</span><a class="jive-link-external-small" href="http://java.sun.com/jsf/html" target="_blank">http://java.sun.com/jsf/html</a><span>"
      xmlns:f="</span><a class="jive-link-external-small" href="http://java.sun.com/jsf/core" target="_blank">http://java.sun.com/jsf/core</a><span>"
      xmlns:ui="</span><a class="jive-link-external-small" href="http://java.sun.com/jsf/facelets" target="_blank">http://java.sun.com/jsf/facelets</a><span>"></span></span>
          <span class="jive-xml-tag"><f:view contentType="text/html"/></span>
          <span class="jive-xml-tag"><h:head></span>
              <span class="jive-xml-tag"><title></span>Hello JBoss AS 7<span class="jive-xml-tag"></title></span>
          <span class="jive-xml-tag"></h:head></span>
 
          <span class="jive-xml-tag"><h:body></span>
                     <span class="jive-xml-tag"><h:outputText value="Title: #{content.title}"/></span>
                    <span class="jive-xml-tag"><br/></span>
                    <span class="jive-xml-tag"><br/></span>
                    <span class="jive-xml-tag"><h:outputText value="Content: #{content.val}"/></span>
          <span class="jive-xml-tag"></h:body></span>
<span class="jive-xml-tag"></html></span>
</code></pre><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>web.xml</p><p>jboss-web.xml</p><p>faces-config.xml</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>If I delete the ejb-member "ejb" in the Content class, I can deploy the EAR to the jboss and the jsf app work's fine. But if I use the "ejb" member, I will get the following deployment error:</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><blockquote class="jive-quote"><p>23:54:13,542 ERROR [org.jboss.msc.service.fail] (MSC service thread 1-5) MSC00001: Failed to start service jboss.deployment.subunit."HelloJBossAS7.ear"."HelloJBossJSF.war".INSTALL: org.jboss.msc.service.StartException in service jboss.deployment.subunit."HelloJBossAS7.ear"."HelloJBossJSF.war".INSTALL: Failed to process phase INSTALL of subdeployment "HelloJBossJSF.war" of deployment "HelloJBossAS7.ear"</p><p>          at org.jboss.as.server.deployment.DeploymentUnitPhaseService.start(DeploymentUnitPhaseService.java:121)</p><p>          at org.jboss.msc.service.ServiceControllerImpl$StartTask.run(ServiceControllerImpl.java:1765)</p><p>          at org.jboss.msc.service.ServiceControllerImpl$ClearTCCLTask.run(ServiceControllerImpl.java:2291)</p><p>          at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886) [:1.6.0_26]</p><p>          at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908) [:1.6.0_26]</p><p>          at java.lang.Thread.run(Thread.java:662) [:1.6.0_26]</p><p>Caused by: org.jboss.as.server.deployment.DeploymentUnitProcessingException: No component found for type 'de.example.ejb.ISimpleEJB' with name SimpleEJB</p><p>          at org.jboss.as.ejb3.deployment.processors.EjbInjectionSource.getResourceValue(EjbInjectionSource.java:68)</p><p>          at org.jboss.as.ee.component.ModuleJndiBindingProcessor.addJndiBinding(ModuleJndiBindingProcessor.java:187)</p><p>          at org.jboss.as.ee.component.ModuleJndiBindingProcessor$1.handle(ModuleJndiBindingProcessor.java:154)</p><p>          at org.jboss.as.ee.component.ClassDescriptionTraversal.run(ClassDescriptionTraversal.java:52)</p><p>          at org.jboss.as.ee.component.ModuleJndiBindingProcessor.processClassConfigurations(ModuleJndiBindingProcessor.java:125)</p><p>          at org.jboss.as.ee.component.ModuleJndiBindingProcessor.deploy(ModuleJndiBindingProcessor.java:118)</p><p>          at org.jboss.as.server.deployment.DeploymentUnitPhaseService.start(DeploymentUnitPhaseService.java:115)</p><p>          ... 5 more</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>23:54:13,748 INFO  [org.jboss.as.server.controller] (DeploymentScanner-threads - 2) Deployment of "HelloJBossAS7.ear" was rolled back with failure message {"Failed services" => {"jboss.deployment.subunit.\"HelloJBossAS7.ear\".\"HelloJBossJSF.war\".INSTALL" => "org.jboss.msc.service.StartException in service jboss.deployment.subunit.\"HelloJBossAS7.ear\".\"HelloJBossJSF.war\".INSTALL: Failed to process phase INSTALL of subdeployment \"HelloJBossJSF.war\" of deployment \"HelloJBossAS7.ear\""},"Services with missing/unavailable dependencies" => ["jboss.naming.context.java.comp.HelloJBossAS7.HelloJBossJSF.HelloJBossJSF.ValidatorFactory missing [ jboss.naming.context.java.module.HelloJBossAS7.HelloJBossJSF ]","jboss.naming.context.java.comp.HelloJBossAS7.HelloJBossJSF.HelloJBossJSF.Validator missing [ jboss.naming.context.java.module.HelloJBossAS7.HelloJBossJSF ]"]}</p><p>23:54:13,755 INFO  [org.jboss.as.server.deployment] (MSC service thread 1-12) Stopped deployment HelloJBossJSF.war in 7ms</p><p>23:54:13,757 INFO  [org.jboss.as.server.deployment] (MSC service thread 1-15) Stopped deployment HelloJBossAS7.ear in 9ms</p><p>23:54:13,759 ERROR [org.jboss.as.deployment] (DeploymentScanner-threads - 1) {"Composite operation failed and was rolled back. Steps that failed:" => {"Operation step-2" => {"Failed services" => {"jboss.deployment.subunit.\"HelloJBossAS7.ear\".\"HelloJBossJSF.war\".INSTALL" => "org.jboss.msc.service.StartException in service jboss.deployment.subunit.\"HelloJBossAS7.ear\".\"HelloJBossJSF.war\".INSTALL: Failed to process phase INSTALL of subdeployment \"HelloJBossJSF.war\" of deployment \"HelloJBossAS7.ear\""},"Services with missing/unavailable dependencies" => ["jboss.naming.context.java.comp.HelloJBossAS7.HelloJBossJSF.HelloJBossJSF.ValidatorFactory missing [ jboss.naming.context.java.module.HelloJBossAS7.HelloJBossJSF ]","jboss.naming.context.java.comp.HelloJBossAS7.HelloJBossJSF.HelloJBossJSF.Validator missing [ jboss.naming.context.java.module.HelloJBossAS7.HelloJBossJSF ]"]}}}</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p></blockquote><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>Is using the @EJB annotation the wrong way? Should I user instead a ServiceLocator?! I hope, someone can help me and tell me the correct way to use the SimpleEJB.</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>Who want's to see the whole project's, have a look the the attachment.</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>Thank you for support! <span> :) </span></p></div>
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