I have JBoss 6 AS M3 in my JBOss Developer Tools Eclipse environment. I start the server and every time I stop it in the IDE servers tab , I get an error :

Exception in thread "main" java.net.MalformedURLException: Service URL must start with service:jmx:
at javax.management.remote.JMXServiceURL.<init>(JMXServiceURL.java:143)
at org.jboss.Shutdown.main(Shutdown.java:235)

If I click stop again, its fine.