I am new in OpenERP,

I run the server(localhost:8069). I got "No handler found".

The following error displaying in terminal.

Exception in thread Thread-1:
Traceback (most recent call last):
  File "/usr/lib/python2.7/threading.py", line 551, in __bootstrap_inner
    self.run()
  File "/usr/lib/python2.7/threading.py", line 504, in run
    self.__target(*self.__args, **self.__kwargs)
  File "/opt/openerp/server/openerp/service/wsgi_server.py", line 436, in serve
    httpd = werkzeug.serving.make_server(interface, port, application, threaded=True)
  File "/usr/lib/python2.7/dist-packages/werkzeug/serving.py", line 399, in make_server
    passthrough_errors, ssl_context)
  File "/usr/lib/python2.7/dist-packages/werkzeug/serving.py", line 331, in __init__
    HTTPServer.__init__(self, (host, int(port)), handler)
  File "/usr/lib/python2.7/SocketServer.py", line 408, in __init__
    self.server_bind()
  File "/usr/lib/python2.7/BaseHTTPServer.py", line 108, in server_bind
    SocketServer.TCPServer.server_bind(self)
  File "/usr/lib/python2.7/SocketServer.py", line 419, in server_bind
    self.socket.bind(self.server_address)
  File "/usr/lib/python2.7/socket.py", line 224, in meth
    return getattr(self._sock,name)(*args)
error: [Errno 98] Address already in use

Thanks....