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Re: Why application exceptions are wrapped in EJBException on AS 6.1?
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created by <a href="http://community.jboss.org/people/goldm">goldm</a> in <i>EJB3</i> - <a href="http://community.jboss.org/message/635878#635878">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>yes, there is one. You can extend BMTTxInterceptorFactory and override method createPerJoinpoint. In returned instance of StatelessBMTInterceptor, override handleException method - check if ApplicationException annotation is present on exception class.</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>Something like this:</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>public class BMTTxInterceptorFactoryCustom extends BMTTxInterceptorFactory</p><p>{</p><p>   @SuppressWarnings("unused")</p><p>   private static final Logger log = Logger.getLogger(BMTTxInterceptorFactoryCustom.class);</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>   public Object createPerJoinpoint(Advisor advisor, Joinpoint jp)</p><p>   {</p><p>      // We have to do this until AOP supports matching based on annotation attributes</p><p>      TransactionManagementType type = TxUtil.getTransactionManagementType(advisor);</p><p>      if (type != TransactionManagementType.BEAN)</p><p>         return new NullInterceptor();</p><p>      </p><p>      TransactionManager tm = TxUtil.getTransactionManager();</p><p>      boolean stateful = advisor.resolveAnnotation(Stateful.class) != null;</p><p>      // Both MessageDriven and Stateless are stateless</p><p>      if(stateful)</p><p>         return new StatefulBMTInterceptor(tm);</p><p>      else</p><p>         return new StatelessBMTInterceptor(tm) {</p><p>             protected void handleException(Invocation invocation, Exception ex) throws Exception   { </p><p>                if (ex == null)</p><p>               {</p><p>                  return;</p><p>               }</p><p>               ApplicationException ae = (ApplicationException) invocation.getAdvisor().resolveAnnotation(ApplicationException.class);</p><p>               // it's an application exception, so just throw it back as-is</p><p>               if (ae != null || ex.getClass().isAnnotationPresent(ApplicationException.class))</p><p>               {</p><p>                  throw ex;</p><p>               }</p><p>               if (ex instanceof EJBException)</p><p>               {</p><p>                  throw (EJBException) ex;</p><p>               }</p><p>               else</p><p>               {</p><p>                  throw new EJBException(ex);</p><p>               }</p><p>             }</p><p>         };</p><p>   }</p><p>}</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>Then you have to use BMTTxInterceptorFactoryCustom instead of BMTTxInterceptorFactory (configured in ejb3-interceptors-aop.xml and singleton-container-aop.xml)</p></div>
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