When I start the JBoss server in Eclipse 3.2 I get the following error on numerous mbeans but here is just a sample: [MainDeployer] Could not create deployment: file:/C:/server/jboss-4.0.4.GA/server/default/deploy/jboss-aop.deployer/ org.jboss.deployment.DeploymentException: Trying to install an already registered mbean: jboss.aop:service=AspectManager Any help or direction would be appreciated. Thanks. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=3974681#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...