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Mark all Stateless EJBs as part of cluster using ejb3-interceptors-aop.xml
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created by <a href="http://community.jboss.org/people/nitin_jain">Nitin Jain</a> in <i>JBoss AOP</i> - <a href="http://community.jboss.org/message/613833#613833">View the full discussion</a>
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<div class="jive-rendered-content"><p>Hello Forum,</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>I am running my application in a clustered environment. I would like to avoid annotating every stateless EJB with @Clustered annotation and rather make use of "ejb3-interceptors-aop.xml".</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>When I use @Clustered annotation, the annotated EJB is logged by JBoss in the following manner.</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><pre class="jive-pre"><code class="jive-code">2011-07-07 10:06:18,251 INFO  [org.jboss.ejb3.deployers.JBossASKernel] (main) Added bean(jboss.j2ee:ear=myapp.ear,jar=platform-services-ejbs.jar,name=NotificationProcessorBean,service=EJB3) to KernelDeployment of: platform-services-ejbs.jar
2011-07-07 10:06:18,251 INFO  [org.jboss.ejb3.deployers.JBossASKernel] (main) installing bean: jboss.j2ee:ear=myapp.ear,jar=platform-services-ejbs.jar,name=RequestDispatcherBean,service=EJB3
2011-07-07 10:06:18,251 INFO  [org.jboss.ejb3.deployers.JBossASKernel] (main)   with dependencies:
2011-07-07 10:06:18,251 INFO  [org.jboss.ejb3.deployers.JBossASKernel] (main)   and demands:
2011-07-07 10:06:18,251 INFO  [org.jboss.ejb3.deployers.JBossASKernel] (main)  jboss.ejb:service=EJBTimerService
2011-07-07 10:06:18,251 INFO  [org.jboss.ejb3.deployers.JBossASKernel] (main)  partition:partitionName=MyCluster
2011-07-07 10:06:18,251 INFO  [org.jboss.ejb3.deployers.JBossASKernel] (main)   and supplies:
2011-07-07 10:06:18,251 INFO  [org.jboss.ejb3.deployers.JBossASKernel] (main)  Class:com.myapp.platform.bs.SampleEJB
2011-07-07 10:06:18,251 INFO  [org.jboss.ejb3.deployers.JBossASKernel] (main)  jndi:myapp/SampleEJBBean/remote-com.myapp.platform.bs.SampleEJB
2011-07-07 10:06:18,251 INFO  [org.jboss.ejb3.deployers.JBossASKernel] (main)  jndi:myapp/SampleEJBBean/remote</code></pre><p>From the log it can be understood that "SampleEJBBean" is part of "MyCluster".</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>Is it possible to add annotation element for @Clustered annotation in "ejb3-interceptors-aop.xml" and achieve similar functionality?</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>To give it a try I added the following elements in the "ejb3-interceptors-aop.xml" file present at "\server\all\deploy" with no success. </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"><domain name="Stateless Bean" extends="Intercepted Bean" inheritBindings="true"></span>
      <span class="jive-xml-tag"><bind pointcut="execution(public * *-></span>*(..))<span class="jive-xml-quote">>
         <span class="jive-xml-tag"><interceptor-ref name="org.jboss.ejb3.ENCPropagationInterceptor"/></span>
         <span class="jive-xml-tag"><interceptor-ref name="org.jboss.ejb3.security.AuthenticationInterceptorFactory"/></span>
      <span class="jive-xml-tag"></bind></span>
      <span class="jive-xml-tag"><bind pointcut="execution(public * @org.jboss.ejb3.annotation.SecurityDomain-></span>*(..))</span>>
         <span class="jive-xml-tag"><interceptor-ref name="Basic Authorization"/></span>
      <span class="jive-xml-tag"></bind></span>
      <span class="jive-xml-tag"><bind pointcut="execution(public * *-></span>*(..))<span class="jive-xml-quote">>
         <span class="jive-xml-tag"><interceptor-ref name="org.jboss.ejb3.security.RunAsSecurityInterceptorFactory"/></span>
      <span class="jive-xml-tag"></bind></span>
      <span class="jive-xml-tag"><bind pointcut="execution(public * @org.jboss.ejb3.annotation.Clustered-></span>*(..))</span>>
         <span class="jive-xml-tag"><interceptor-ref name="org.jboss.ejb3.remoting.ReplicantsManagerInterceptorFactory"/></span>
      <span class="jive-xml-tag"></bind></span>
      <span class="jive-xml-tag"><bind pointcut="execution(public * *-></span>*(..))<span class="jive-xml-quote">>
         <span class="jive-xml-tag"><interceptor-ref name="org.jboss.aspects.tx.TxPropagationInterceptor"/></span>
         <span class="jive-xml-tag"><interceptor-ref name="org.jboss.ejb3.tx.CMTTxInterceptorFactory"/></span>
         <span class="jive-xml-tag"><interceptor-ref name="org.jboss.ejb3.stateless.StatelessInstanceInterceptor"/></span>
         <span class="jive-xml-tag"><interceptor-ref name="org.jboss.ejb3.tx.BMTTxInterceptorFactory"/></span>
         <span class="jive-xml-tag"><interceptor-ref name="org.jboss.ejb3.AllowedOperationsInterceptor"/></span>
         <span class="jive-xml-tag"><interceptor-ref name="org.jboss.ejb3.entity.TransactionScopedEntityManagerInterceptor"/></span>
         <span class="jive-xml-comment"><!-- interceptor-ref name="org.jboss.ejb3.interceptor.EJB3InterceptorsFactory"/ --></span>
         <span class="jive-xml-tag"><stack-ref name="EJBInterceptors"/></span>
      <span class="jive-xml-tag"></bind></span>
      <span class="jive-xml-tag"><annotation expr="class(*) AND !class(@org.jboss.ejb3.annotation.Pool)"></span>
         @org.jboss.ejb3.annotation.Pool (value=</span>ThreadlocalPool<span class="jive-xml-quote">, maxSize=30, timeout=10000)
      <span class="jive-xml-tag"></annotation></span>
      <span class="jive-xml-tag"><annotation expr="class(@javax.ejb.Remote) AND !class(@org.jboss.annotation.ejb.Clustered)"></span>
     
     @org.jboss.annotation.ejb.Clustered(partition=</span>MyCluster<span class="jive-xml-quote">, loadBalancePolicy=</span>org.jboss.ha.framework.interfaces.RandomRobin")
      <span class="jive-xml-tag"></annotation></span>
   <span class="jive-xml-tag"></domain></span>
</code></pre><p>I have tried other possiblities like </p><pre class="jive-pre"><code class="jive-code jive-xml">   <span class="jive-xml-tag"><annotation expr="class(*) AND !class(@org.jboss.annotation.ejb.Clustered)"></span>
       @org.jboss.annotation.ejb.Clustered(partition=<span class="jive-xml-quote">MyCluster</span>, loadBalancePolicy=<span class="jive-xml-quote">org.jboss.ha.framework.interfaces.RandomRobin</span>)
   <span class="jive-xml-tag"></annotation></span>
</code></pre><p>and </p><pre class="jive-pre"><code class="jive-code jive-xml">   <span class="jive-xml-tag"><annotation expr="!class(@org.jboss.annotation.ejb.Clustered)"></span>          @org.jboss.annotation.ejb.Clustered(partition=<span class="jive-xml-quote">MyCluster</span>, loadBalancePolicy=<span class="jive-xml-quote">org.jboss.ha.framework.interfaces.RandomRobin</span>)
   <span class="jive-xml-tag"></annotation></span>
</code></pre><p> but with no success. I do not see any of my other stateless EJB with a similar log as depicted for "SampleEJBBean".</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>Please advise on how to fix this issue.</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>Regards,</p><p>Nitin</p></div>
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