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在 python 线程中，我执行以下语句：

(response, content) = httplib2.Http().request(endpoint, 'POST', body=data, headers={ 'content-type': 'application/rdf+xml' })

大多数时候它成功了。但我间歇性地遇到以下错误：

  File "/usr/local/lib/python2.7/dist-packages/dataStoreManager.py", line 31, in loadData
    (response, content) = httplib2.Http().request(endpoint, 'POST', body=data, headers={ 'content-type': 'application/rdf+xml' })
  File "/usr/local/lib/python2.7/dist-packages/httplib2-0.8-py2.7.egg/httplib2/__init__.py", line 1570, in request
    (response, content) = self._request(conn, authority, uri, request_uri, method, body, headers, redirections, cachekey)
  File "/usr/local/lib/python2.7/dist-packages/httplib2-0.8-py2.7.egg/httplib2/__init__.py", line 1317, in _request
    (response, content) = self._conn_request(conn, request_uri, method, body, headers)
  File "/usr/local/lib/python2.7/dist-packages/httplib2-0.8-py2.7.egg/httplib2/__init__.py", line 1286, in _conn_request
    response = conn.getresponse()
  File "/usr/lib/python2.7/httplib.py", line 1022, in getresponse
    raise ResponseNotReady()

如果相关，我尝试从西部区域的笔记本电脑连接到我们东部区域的 EC2 实例

怎么了？

我有 20 个线程（大部分时间似乎都可以正常工作），每个线程都执行以下代码；

(response, content) = httplib2.Http().request(endpoint, 'POST', body=data, headers={ 'content-type': 'application/rdf+xml' })
print "Response %s" % response.status
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