My JBOSS just started working... but it shows an erorr org.jboss.deployment.DeploymentException: Trying to install an already registered mbean: jboss.mq:service=DestinationManager Any idea with this erorr? Thanks :) anonymous wrote : org.jboss.deployment.DeploymentException: Trying to install an already registered mbean: jboss.mq:service=DestinationManager | at org.jboss.system.ServiceCreator.install(ServiceCreator.java:103) | at org.jboss.system.ServiceConfigurator.internalInstall(ServiceConfigurator.java:449) | at org.jboss.system.ServiceConfigurator.install(ServiceConfigurator.java:171) | at org.jboss.system.ServiceController.install(ServiceController.java:226) anonymous wrote : org.jboss.deployment.DeploymentException: Trying to install an already registered mbean: jboss.mq:service=DestinationManager | at org.jboss.system.ServiceCreator.install(ServiceCreator.java:103) | at org.jboss.system.ServiceConfigurator.internalInstall(ServiceConfigurator.java:449) anonymous wrote : 2006-10-07 09:57:53,210 DEBUG [org.jboss.deployment.scanner.URLDeploymentScanner] Failed to deploy: org.jboss.deployment.scanner.URLDeploymentScanner$DeployedURL@bef53c88{ url=file:/D:/jboss-4.0.4.GA/server/default/deploy/jms/mysql-jdbc2-service.xml, deployedLastModified=0 } | org.jboss.deployment.DeploymentException: Trying to install an already registered mbean: jboss.mq:service=DestinationManager | at org.jboss.system.ServiceCreator.install(ServiceCreator.java:103) View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=3976717#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...