Thanks for your time to help on this issue. "DummyService" MBEAN implements schedulable interface and calls the "Worker" session bean. As I said in my original post, this works fine if you restart the jboss appserver.
Here is the jboss log and you can see that "dummyService" MBEAN actually gets unloaded when redeployment occurs -- very strange indeed... 16:08:41,812 INFO [EjbModule] Stopping jboss.j2ee:module=ejb_test.jar,service=E jbModule 16:08:41,843 INFO [StatelessSessionContainer] Stopping jboss.j2ee:jndiName=dumm y/fileFetcherHome,service=EJB 16:08:41,843 INFO [StatelessSessionInstancePool] Stopping jboss.j2ee:jndiName=d ummy/fileFetcherHome,plugin=pool,service=EJB 16:08:41,859 INFO [Scheduler] Stopping dummy:service=dummyService 16:08:41,859 INFO [StatelessSessionContainer] Stopping jboss.j2ee:jndiName=work erHome,service=EJB 16:08:41,859 INFO [StatelessSessionInstancePool] Stopping jboss.j2ee:jndiName=w orkerHome,plugin=pool,service=EJB 16:08:41,859 INFO [StatelessSessionContainer] Stopping jboss.j2ee:jndiName=dumm yManager,service=EJB 16:08:41,859 INFO [StatelessSessionInstancePool] Stopping jboss.j2ee:jndiName=d ummyManager,plugin=pool,service=EJB 16:08:41,859 INFO [EntityContainer] Stopping jboss.j2ee:jndiName=dummyLocalHome ,service=EJB 16:08:41,875 INFO [EntityInstancePool] Stopping jboss.j2ee:jndiName=dummyLocalH ome,plugin=pool,service=EJB 16:08:41,875 INFO [TxConnectionManager] Stopping jboss.jca:service=LocalTxCM,na me=datasource/dummy 16:08:41,875 INFO [JBossManagedConnectionPool] Stopping jboss.jca:service=Manag edConnectionPool,name=datasource/dummy 16:08:41,875 INFO [RARDeployment] Stopping jboss.jca:service=ManagedConnectionF actory,name=datasource/dummy 16:08:41,875 INFO [EARDeployer] Undeploying J2EE application, destroy step: fil e:/C:/temp/local/jboss-3.2.2/server/default/deploy/dummy.ear 16:08:41,906 INFO [EJBModule] destroy(), remove EJB-Module: jboss.management.lo cal:J2EEApplication=dummy.ear,J2EEServer=Local,j2eeType=EJBModule,name=ejb_test. jar 16:08:41,953 WARN [DeploymentInfo] Could not delete file:/C:/temp/local/jboss-3 .2.2/server/default/tmp/deploy/tmp42655dummy.ear restart will delete it 16:08:42,000 INFO [MainDeployer] Starting deployment of package: file:/C:/temp/ local/jboss-3.2.2/server/default/deploy/dummy.ear 16:08:42,015 INFO [EARDeployer] Init J2EE application: file:/C:/temp/local/jbos s-3.2.2/server/default/deploy/dummy.ear 16:08:42,671 INFO [EJBDeployer] nested deployment: file:/C:/temp/local/jboss-3. 2.2/server/default/tmp/deploy/tmp42656dummy.ear-contents/ejb_test.jar-contents/M ETA-INF/mysql-ds.xml 16:08:46,453 INFO [EjbModule] Deploying DummyEJB 16:08:46,484 INFO [EjbModule] Deploying DummyManager 16:08:46,500 INFO [EjbModule] Deploying Worker 16:08:46,531 INFO [EjbModule] Deploying FileFetcher 16:08:46,765 INFO [RARDeployment] Started jboss.jca:service=ManagedConnectionFa ctory,name=datasource/dummy 16:08:46,765 INFO [JBossManagedConnectionPool] Started jboss.jca:service=Manage dConnectionPool,name=datasource/dummy 16:08:46,765 INFO [datasource/dummy] Bound connection factory for resource adap ter for ConnectionManager 'jboss.jca:service=LocalTxCM,name=datasource/dummy to JNDI name 'java:/datasource/dummy' 16:08:46,765 INFO [TxConnectionManager] Started jboss.jca:service=LocalTxCM,nam e=datasource/dummy 16:08:47,281 INFO [DummyEJB] Table 'Test' already exists 16:08:47,281 INFO [EntityInstancePool] Started jboss.j2ee:jndiName=dummyLocalHo me,plugin=pool,service=EJB 16:08:47,296 INFO [EntityContainer] Started jboss.j2ee:jndiName=dummyLocalHome, service=EJB 16:08:47,359 INFO [StatelessSessionInstancePool] Started jboss.j2ee:jndiName=du mmyManager,plugin=pool,service=EJB 16:08:47,359 INFO [StatelessSessionContainer] Started jboss.j2ee:jndiName=dummy Manager,service=EJB 16:08:47,406 INFO [StatelessSessionInstancePool] Started jboss.j2ee:jndiName=wo rkerHome,plugin=pool,service=EJB 16:08:47,406 INFO [StatelessSessionContainer] Started jboss.j2ee:jndiName=worke rHome,service=EJB 16:08:47,406 INFO [STDOUT] DummyService has been initialized() 16:08:47,421 INFO [Scheduler] Started dummy:service=dummyService 16:08:47,421 INFO [StatelessSessionInstancePool] Started jboss.j2ee:jndiName=du mmy/fileFetcherHome,plugin=pool,service=EJB 16:08:47,421 INFO [StatelessSessionContainer] Started jboss.j2ee:jndiName=dummy /fileFetcherHome,service=EJB 16:08:47,421 INFO [EjbModule] Started jboss.j2ee:module=ejb_test.jar,service=Ej bModule 16:08:47,421 INFO [EJBDeployer] Deployed: file:/C:/temp/local/jboss-3.2.2/serve r/default/tmp/deploy/tmp42656dummy.ear-contents/ejb_test.jar 16:08:47,531 INFO [EARDeployer] Started J2EE application: file:/C:/temp/local/j boss-3.2.2/server/default/deploy/dummy.ear 16:08:47,531 INFO [MainDeployer] Deployed package: file:/C:/temp/local/jboss-3. 2.2/server/default/deploy/dummy.ear 16:08:48,453 INFO [STDOUT] DummyService dummyTest() invoked... 16:08:48,484 INFO [STDOUT] $Proxy30 16:08:48,484 ERROR [STDERR] NPE 16:08:48,484 ERROR [STDERR] java.lang.ClassCastException 16:08:48,484 ERROR [STDERR] at com.sun.corba.se.internal.javax.rmi.PortableR emoteObject.narrow(PortableRemoteObject.java:293) 16:08:48,500 ERROR [STDERR] at javax.rmi.PortableRemoteObject.narrow(Portabl eRemoteObject.java:134) 16:08:48,500 ERROR [STDERR] at mbean.DummyService.dummyTest(DummyService.jav a:54) 16:08:48,500 ERROR [STDERR] at mbean.DummyService.perform(DummyService.java: 40) 16:08:48,500 ERROR [STDERR] at org.jboss.varia.scheduler.Scheduler$Listener. handleNotification(Scheduler.java:1263) 16:08:48,500 ERROR [STDERR] at org.jboss.mx.server.NotificationListenerProxy .handleNotification(NotificationListenerProxy.java:69) 16:08:48,500 ERROR [STDERR] at javax.management.NotificationBroadcasterSuppo rt.sendNotification(NotificationBroadcasterSupport.java:95) 16:08:48,500 ERROR [STDERR] at javax.management.timer.Timer.sendNotification s(Timer.java:441) 16:08:48,500 ERROR [STDERR] at javax.management.timer.Timer.access$000(Timer .java:31) 16:08:48,500 ERROR [STDERR] at javax.management.timer.Timer$RegisteredNotifi cation.doRun(Timer.java:612) 16:08:48,500 ERROR [STDERR] at org.jboss.mx.util.SchedulableRunnable.run(Sch edulableRunnable.java:164) 16:08:48,500 ERROR [STDERR] at org.jboss.mx.util.ThreadPool$Worker.run(Threa dPool.java:225) View the original post : http://www.jboss.org/index.html?module=bb&op=viewtopic&p=3831956#3831956 Reply to the post : http://www.jboss.org/index.html?module=bb&op=posting&mode=reply&p=3831956 ------------------------------------------------------- This SF.Net email is sponsored by: IBM Linux Tutorials Free Linux tutorial presented by Daniel Robbins, President and CEO of GenToo technologies. 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