Deployed application is unable to start due to port conflict

Issue

• JBoss is unable to bind to port errors.

• While starting JBoss Server, when the application which is deployed on it tries to starts its unable to bind to some port like 40021 and causes following exception:

2013-08-28 08:33:39,803 INFO  [STDOUT] (ExampleConsoleHandler) 2013-08-28  08:33:38:000065  Thread-10 INFO  test.example.ExampleServer  <unknown> <unknown>   ExampleService HostManager Services was unable to create server socket on host 10.10.10.10 at port 40021.
2013-08-28 08:33:39,803 INFO  [STDOUT] (ExampleConsoleHandler) 2013-08-28  08:33:38:000065  Thread-10 SEVERE  test.example.ExampleServer  <unknown> <unknown> A java.net.BindException Exception occurred in TestServerSocket.initServerSocket() : ExampleService HostManager Services Using IP address 10.10.10.10 Unable to bind to a port in range: 40021 to: 40021
java.net.BindException: ExampleService HostManager Services Using IP address 10.10.10.10 Unable to bind to a port in range: 40021 to: 40021
  at aaa.bbb.ExampleService.TestServer.IP.TestServerIP$TestServerSocket.initServerSocket(TestServerIP.java:329)
  at aaa.bbb.ExampleService.TestServer.IP.TestServerIP$TestServerSocket.<init>(TestServerIP.java:280)
  at aaa.bbb.ExampleService.TestServer.XYZ.TestServerHostManager$TestServerHostManagerSocket.<init>(TestServerHostManager.java:263)
  at aaa.bbb.ExampleService.TestServer.XYZ.TestServerHostManager.startServerSocket(TestServerHostManager.java:66)
  at aaa.bbb.ExampleService.TestServer.IP.TestServerIP.init(TestServerIP.java:187)
  at aaa.bbb.ExampleService.TestServer.XYZ.TestServerHostManager.init(TestServerHostManager.java:98)