Hi. I'm using JBoss 4.2.2.GA with EJB3 MDBs and Spring to inject the MDB's business logic. I'm getting an error related to the MDB's lifecyle. Here's my MDB code : package com.acme.impl; | | | import javax.annotation.Resource; | import javax.ejb.ActivationConfigProperty; | import javax.ejb.MessageDriven; | import javax.ejb.MessageDrivenContext; | import javax.interceptor.Interceptors; | import javax.jms.Message; | import javax.jms.MessageListener; | | import org.springframework.beans.factory.annotation.Autowired; | import org.springframework.ejb.interceptor.SpringBeanAutowiringInterceptor; | | import com.acme.api.MDBDelegate; | | /** | * @author fcoppens | */ | | @MessageDriven(name="QueueListenerMDB", activationConfig = { | @ActivationConfigProperty(propertyName="destinationType", propertyValue="javax.jms.Queue"), | @ActivationConfigProperty(propertyName="destination", propertyValue="queue/testQueue") | | }) | @Interceptors(SpringBeanAutowiringInterceptor.class) | public class QueueListenerMDB implements MessageListener { | | @Resource | private MessageDrivenContext context; | | @Autowired | private MDBDelegate delegate; | | public void onMessage(Message message) { | delegate.onMessage(message); | } | } The MDB is deployed correctly on JBoss without any errors. When I post a message on the queue, here's the error stack I get : 2008-06-15 17:47:06,843 ERROR [org.jboss.resource.adapter.jms.inflow.JmsServerSes sion] Unexpected error delivering message org.jboss.mq.SpyObjectMessage { Header { jmsDestination : QUEUE.testQueue jmsDeliveryMode : 2 jmsExpiration : 0 jmsPriority : 4 jmsMessageID : ID:11-12135448268281 jmsTimeStamp : 1213544826828 jmsCorrelationID: null jmsReplyTo : null jmsType : null jmsRedelivered : false jmsProperties : {} jmsPropReadWrite: false msgReadOnly : true producerClientId: ID:11 } } java.lang.RuntimeException: java.lang.NullPointerException at org.jboss.ejb3.interceptor.LifecycleInterceptorHan dler.postConstruct(LifecycleInterceptorHandler.jav a:113) at org.jboss.ejb3.EJBContainer.invokePostConstruct(EJ BContainer.java:619) at org.jboss.ejb3.AbstractPool.create(AbstractPool.ja va:131) at org.jboss.ejb3.StrictMaxPool.get(StrictMaxPool.jav a:141) at org.jboss.ejb3.stateless.StatelessInstanceIntercep tor.invoke(StatelessInstanceInterceptor.java:54) at org.jboss.aop.joinpoint.MethodInvocation.invokeNex t(MethodInvocation.java:101) at org.jboss.ejb3.mdb.MessagingContainer.localInvoke( MessagingContainer.java:249) at org.jboss.ejb3.mdb.inflow.MessageInflowLocalProxy. delivery(MessageInflowLocalProxy.java:268) at org.jboss.ejb3.mdb.inflow.MessageInflowLocalProxy. invoke(MessageInflowLocalProxy.java:138) at $Proxy197.onMessage(Unknown Source) at org.jboss.resource.adapter.jms.inflow.JmsServerSes sion.onMessage(JmsServerSession.java:178) at org.jboss.mq.SpyMessageConsumer.sessionConsumerPro cessMessage(SpyMessageConsumer.java:891) at org.jboss.mq.SpyMessageConsumer.addMessage(SpyMess ageConsumer.java:170) at org.jboss.mq.SpySession.run(SpySession.java:323) at org.jboss.resource.adapter.jms.inflow.JmsServerSes sion.run(JmsServerSession.java:237) at org.jboss.resource.work.WorkWrapper.execute(WorkWr apper.java:204) at org.jboss.util.threadpool.BasicTaskWrapper.run(Bas icTaskWrapper.java:275) at EDU.oswego.cs.dl.util.concurrent.PooledExecutor$Wo rker.run(PooledExecutor.java:756) at java.lang.Thread.run(Thread.java:595) Caused by: java.lang.NullPointerException at org.jboss.mx.loading.RepositoryClassLoader.findCla ss(RepositoryClassLoader.java:630) at java.lang.ClassLoader.loadClass(ClassLoader.java:3 06) at org.jboss.mx.loading.RepositoryClassLoader.loadCla ssImpl(RepositoryClassLoader.java:474) at org.jboss.mx.loading.RepositoryClassLoader.loadCla ss(RepositoryClassLoader.java:415) at java.lang.ClassLoader.loadClass(ClassLoader.java:2 99) at java.net.FactoryURLClassLoader.loadClass(URLClassL oader.java:579) at java.lang.ClassLoader.loadClass(ClassLoader.java:2 99) at java.lang.ClassLoader.loadClass(ClassLoader.java:2 51) at org.springframework.util.ClassUtils.forName(ClassU tils.java:249) at org.springframework.beans.factory.support.Abstract BeanDefinition.resolveBeanClass(AbstractBeanDefini tion.java:381) at org.springframework.beans.factory.support.Abstract BeanFactory.resolveBeanClass(AbstractBeanFactory.j ava:1135) at org.springframework.beans.factory.support.Abstract BeanFactory.resolveBeanClass(AbstractBeanFactory.j ava:1102) at org.springframework.beans.factory.support.Abstract AutowireCapableBeanFactory$1.run(AbstractAutowireC apableBeanFactory.java:386) at java.security.AccessController.doPrivileged(Native Method) at org.springframework.beans.factory.support.Abstract AutowireCapableBeanFactory.createBean(AbstractAuto wireCapableBeanFactory.java:380) at org.springframework.beans.factory.support.Abstract BeanFactory$1.getObject(AbstractBeanFactory.java:2 64) at org.springframework.beans.factory.support.DefaultS ingletonBeanRegistry.getSingleton(DefaultSingleton BeanRegistry.java:217) at org.springframework.beans.factory.support.Abstract BeanFactory.doGetBean(AbstractBeanFactory.java:261 ) at org.springframework.beans.factory.support.Abstract BeanFactory.getBean(AbstractBeanFactory.java:185) at org.springframework.beans.factory.support.Abstract BeanFactory.getBean(AbstractBeanFactory.java:168) at org.springframework.context.support.AbstractApplic ationContext.getBean(AbstractApplicationContext.ja va:885) at org.springframework.beans.factory.access.Singleton BeanFactoryLocator.useBeanFactory(SingletonBeanFac toryLocator.java:397) at org.springframework.ejb.interceptor.SpringBeanAuto wiringInterceptor.getBeanFactoryReference(SpringBe anAutowiringInterceptor.java:139) at org.springframework.ejb.interceptor.SpringBeanAuto wiringInterceptor.getBeanFactory(SpringBeanAutowir ingInterceptor.java:120) at org.springframework.ejb.interceptor.SpringBeanAuto wiringInterceptor.autowireBean(SpringBeanAutowirin gInterceptor.java:100) at sun.reflect.NativeMethodAccessorImpl.invoke0(Nativ e Method) at sun.reflect.NativeMethodAccessorImpl.invoke(Native MethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(De legatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:585) at org.jboss.ejb3.interceptor.LifecycleInvocationCont extImpl.proceed(LifecycleInvocationContextImpl.jav a:131) at org.jboss.ejb3.interceptor.LifecycleInterceptorHan dler.postConstruct(LifecycleInterceptorHandler.jav a:109) ... 18 more View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4158226#... 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