Use the log files to troubleshoot or verify the machine name and port number for your application servers.
For JBoss:
<jboss_home_dir>\server\<server_name>\log\server.log
On Windows – %WL_HOME%\user_projects\domains\DomainName\servers\DomainNameServer\logs\DomainNameServer.log, where %WL_HOME% points to the application server installation directory.
On UNIX – $WL_HOME/user_projects/domains/DomainName/servers/DomainNameServer/logs/DomainNameServer.log, where $WL_HOME points to the application server installation directory.