Running Developer Studio 7.1.0.CR1 and using either the server auto-detection or manually defining a server and using an incorrect management password results in a console log entry:

14:00:54,966 ERROR [org.jboss.remoting.remote.connection] (Remoting "..." read-1) JBREM000200: Remote connection failed: java.io.IOException: Connection reset by peer

On server startup without any indication of what it means.