Unhandled exceptions.OverflowError: getsockaddrarg: port must be 0-65535.

output

$ ./build-ubuntu1404-x64/bin/python test.py 
Unhandled error in Deferred:
Unhandled Error
Traceback (most recent call last):
  File "/home/adi/chevah/server/build-ubuntu1404-x64/lib/python2.7/site-packages/twisted/internet/defer.py", line 551, in _runCallbacks
    current.result = callback(current.result, *args, **kw)
  File "/home/adi/chevah/server/build-ubuntu1404-x64/lib/python2.7/site-packages/twisted/internet/base.py", line 250, in _checkTimeout
    userDeferred.callback(result)
  File "/home/adi/chevah/server/build-ubuntu1404-x64/lib/python2.7/site-packages/twisted/internet/defer.py", line 368, in callback
    self._startRunCallbacks(result)
  File "/home/adi/chevah/server/build-ubuntu1404-x64/lib/python2.7/site-packages/twisted/internet/defer.py", line 464, in _startRunCallbacks
    self._runCallbacks()
--- <exception caught here> ---
  File "/home/adi/chevah/server/build-ubuntu1404-x64/lib/python2.7/site-packages/twisted/internet/defer.py", line 551, in _runCallbacks
    current.result = callback(current.result, *args, **kw)
  File "/home/adi/chevah/server/build-ubuntu1404-x64/lib/python2.7/site-packages/twisted/internet/tcp.py", line 432, in _setRealAddress
    self.doConnect()
  File "/home/adi/chevah/server/build-ubuntu1404-x64/lib/python2.7/site-packages/twisted/internet/tcp.py", line 561, in doConnect
    connectResult = self.socket.connect_ex(self.realAddress)
  File "/home/adi/chevah/server/build-ubuntu1404-x64/lib/python2.7/socket.py", line 224, in meth
    return getattr(self._sock,name)(*args)
exceptions.OverflowError: getsockaddrarg: port must be 0-65535.

twisted_agent.py

from twisted.internet import reactor
from twisted.web.client import Agent
from twisted.web.http_headers import Headers

agent = Agent(reactor)

d = agent.request(
    'GET',
    'http://example.com:12345679/',
    Headers({'User-Agent': ['Twisted Web Client Example']}),
    None)

def cbResponse(ignored):
    print 'Response received'
d.addCallback(cbResponse)

def ebResponse(failure):
    print 'Error received'
    print failure.getErrorMessage()
d.addErrback(ebResponse)

def cbShutdown(ignored):
    reactor.stop()
d.addBoth(cbShutdown)

reactor.run()