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我正在构建一个使用GAE的简单应用程序,该应用程序获取一个URL并使用urllib2进行一些处理,如文档中所述。urlopen GAE getaddrinfo错误()
import webapp2
import urllib2
class Handler(webapp2.RequestHandler):
def get(self):
url = "http://www.google.com/"
try:
result = urllib2.urlopen(url)
self.response.out.write(result)
except urllib2.URLError, e:
handleError(e)
app = webapp2.WSGIApplication([("/", Handler)], debug = True)
尝试与urlfetch相同,但我不断收到相同的错误。
如果我用IP地址调用urlopen(),它可以正常工作。
我认为这可能是一个DNS问题,但从解释器调用urllib2.urlopen("http://www.google.com")
正确解决。此外,我可以浏览和ping没有问题。
问了一些朋友在我们的环境中试用这段代码,结果是一样的。
运行此相同代码的已部署的应用程序工作得很好。
我想知道如果这可能是我的ISP的问题,因为所有3次尝试都是从不同的地方完成相同的ISP。
不,我不会通过代理,至少不是我配置的或我可以看到的一个。
这里的堆栈跟踪
Traceback (most recent call last):
File "C:\Program Files (x86)\Google\google_appengine\lib\webapp2-2.5.2\webapp2.py", line 1535, in __call__
rv = self.handle_exception(request, response, e)
File "C:\Program Files (x86)\Google\google_appengine\lib\webapp2-2.5.2\webapp2.py", line 1529, in __call__
rv = self.router.dispatch(request, response)
File "C:\Program Files (x86)\Google\google_appengine\lib\webapp2-2.5.2\webapp2.py", line 1278, in default_dispatcher
return route.handler_adapter(request, response)
File "C:\Program Files (x86)\Google\google_appengine\lib\webapp2-2.5.2\webapp2.py", line 1102, in __call__
return handler.dispatch()
File "C:\Program Files (x86)\Google\google_appengine\lib\webapp2-2.5.2\webapp2.py", line 572, in dispatch
return self.handle_exception(e, self.app.debug)
File "C:\Program Files (x86)\Google\google_appengine\lib\webapp2-2.5.2\webapp2.py", line 570, in dispatch
return method(*args, **kwargs)
File "C:\Users\Developer\Desktop\test\main.py", line 8, in get
result = urllib2.urlopen(url)
File "C:\Python27\lib\urllib2.py", line 126, in urlopen
return _opener.open(url, data, timeout)
File "C:\Python27\lib\urllib2.py", line 400, in open
response = self._open(req, data)
File "C:\Python27\lib\urllib2.py", line 418, in _open
'_open', req)
File "C:\Python27\lib\urllib2.py", line 378, in _call_chain
result = func(*args)
File "C:\Python27\lib\urllib2.py", line 1207, in http_open
return self.do_open(httplib.HTTPConnection, req)
File "C:\Python27\lib\urllib2.py", line 1180, in do_open
r = h.getresponse(buffering=True)
File "C:\Program Files (x86)\Google\google_appengine\google\appengine\dist27\httplib.py", line 507, in getresponse
'An error occured while connecting to the server: %s' % e)
error: An error occured while connecting to the server: Unable to fetch URL: http://www.google.com/ Error: [Errno 10106] getaddrinfo failed