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抱歉，如果我发布重复，但我已经搜索了解决方案：

我正在 Windows 7 上使用 Python 编写我的第一个 GAE 应用程序，并遵循https://developers.google.com/appengine/docs/python/gettingstartedpython27/helloworld上的“Getting Started Hello World”示例

当我尝试访问该应用程序时，我HTTP Error 500 (Internal Server Error)在浏览器中得到一个。随附的日志文件如下所示。

App Engine Launcher 在运行应用程序时是否尝试连接到互联网？我在防火墙/代理后面，所以这与它有什么关系吗？

HTTPError: HTTP Error 502: Connection refused
Traceback (most recent call last):
  File "C:\Program Files (x86)\Google\google_appengine\lib\cherrypy\cherrypy\wsgiserver\wsgiserver2.py", line 1302, in communicate
    req.respond()
  File "C:\Program Files (x86)\Google\google_appengine\lib\cherrypy\cherrypy\wsgiserver\wsgiserver2.py", line 831, in respond
    self.server.gateway(self).respond()
  File "C:\Program Files (x86)\Google\google_appengine\lib\cherrypy\cherrypy\wsgiserver\wsgiserver2.py", line 2115, in respond
    response = self.req.server.wsgi_app(self.env, self.start_response)
  File "C:\Program Files (x86)\Google\google_appengine\google\appengine\tools\devappserver2\wsgi_server.py", line 249, in __call__
    return app(environ, start_response)
  File "C:\Program Files (x86)\Google\google_appengine\google\appengine\tools\devappserver2\request_rewriter.py", line 311, in _rewriter_middleware
    response_body = iter(application(environ, wrapped_start_response))
  File "C:\Program Files (x86)\Google\google_appengine\google\appengine\tools\devappserver2\python\request_handler.py", line 89, in __call__
    self._flush_logs(response.get('logs', []))
  File "C:\Program Files (x86)\Google\google_appengine\google\appengine\tools\devappserver2\python\request_handler.py", line 225, in _flush_logs
    apiproxy_stub_map.MakeSyncCall('logservice', 'Flush', request, response)
  File "C:\Program Files (x86)\Google\google_appengine\google\appengine\api\apiproxy_stub_map.py", line 94, in MakeSyncCall
    return stubmap.MakeSyncCall(service, call, request, response)
  File "C:\Program Files (x86)\Google\google_appengine\google\appengine\api\apiproxy_stub_map.py", line 320, in MakeSyncCall
    rpc.CheckSuccess()
  File "C:\Program Files (x86)\Google\google_appengine\google\appengine\api\apiproxy_rpc.py", line 156, in _WaitImpl
    self.request, self.response)
  File "C:\Program Files (x86)\Google\google_appengine\google\appengine\ext\remote_api\remote_api_stub.py", line 200, in MakeSyncCall
    self._MakeRealSyncCall(service, call, request, response)
  File "C:\Program Files (x86)\Google\google_appengine\google\appengine\ext\remote_api\remote_api_stub.py", line 226, in _MakeRealSyncCall
    encoded_response = self._server.Send(self._path, encoded_request)
  File "C:\Program Files (x86)\Google\google_appengine\google\appengine\tools\appengine_rpc.py", line 393, in Send
    f = self.opener.open(req)
  File "C:\Python27\lib\urllib2.py", line 398, in open
    response = meth(req, response)
  File "C:\Python27\lib\urllib2.py", line 511, in http_response
    'http', request, response, code, msg, hdrs)
  File "C:\Python27\lib\urllib2.py", line 436, in error
    return self._call_chain(*args)
  File "C:\Python27\lib\urllib2.py", line 370, in _call_chain
    result = func(*args)
  File "C:\Python27\lib\urllib2.py", line 519, in http_error_default
    raise HTTPError(req.get_full_url(), code, msg, hdrs, fp)
HTTPError: HTTP Error 502: Connection refused
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