urlfetch ApplicationError 问题

File "/base/python_runtime/python_dist/lib/python2.5/urllib2.py", line 124, in urlopen
return _opener.open(url, data)
File "/base/python_runtime/python_dist/lib/python2.5/urllib2.py", line 381, in open
response = self._open(req, data)
File "/base/python_runtime/python_dist/lib/python2.5/urllib2.py", line 399, in _open
'_open', req)
File "/base/python_runtime/python_dist/lib/python2.5/urllib2.py", line 360, in _call_chain
result = func(*args)
File "/base/python_runtime/python_dist/lib/python2.5/urllib2.py", line 1122, in https_open
return self.do_open(httplib.HTTPSConnection, req)
File "/base/python_runtime/python_dist/lib/python2.5/urllib2.py", line 1087, in do_open
r = h.getresponse()
File "/base/python_runtime/python_dist/lib/python2.5/httplib.py", line 197, in getresponse
self._allow_truncated, self._follow_redirects)
File "/base/python_runtime/python_lib/versions/1/google/appengine/api/urlfetch.py", line 260, in fetch
return rpc.get_result()
File "/base/python_runtime/python_lib/versions/1/google/appengine/api/apiproxy_stub_map.py", line 592, in get_result
return self.__get_result_hook(self)
File "/base/python_runtime/python_lib/versions/1/google/appengine/api/urlfetch.py", line 364, in _get_fetch_result
raise DeadlineExceededError(str(err))
DeadlineExceededError: ApplicationError: 5


gae的各种悲剧，各种超时，蛋疼的蛋蛋都有裂纹了。
请问有什么好的解决方法么？
支付啊，paypal支付啊，稳定点，行不？